diff --git a/client/mysqltest.cc b/client/mysqltest.cc
index 8623013bb02..d2653623645 100644
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@@ -1534,7 +1534,6 @@ void free_used_memory()
 void ha_pre_shutdown();
 #endif
 
-
 ATTRIBUTE_NORETURN static void cleanup_and_exit(int exit_code,
                                                 bool called_from_die)
 {
@@ -5236,7 +5235,11 @@ void do_shutdown_server(struct st_command *command)
   */
 
   if (timeout && mysql_shutdown(mysql, SHUTDOWN_DEFAULT))
-    die("mysql_shutdown failed");
+  {
+    handle_error(command, mysql_errno(mysql), mysql_error(mysql),
+                 mysql_sqlstate(mysql), &ds_res);
+    DBUG_VOID_RETURN;
+  }
 
   if (!timeout || wait_until_dead(pid, timeout))
   {
@@ -8227,7 +8230,7 @@ static int match_expected_error(struct st_command *command,
 
   SYNOPSIS
   handle_error()
-  q     - query context
+  command   - command
   err_errno - error number
   err_error - error message
   err_sqlstate - sql state
diff --git a/configure.cmake b/configure.cmake
index 2d6f6183914..c9445bc83e3 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -984,3 +984,8 @@ IF(have_C__Werror)
   )
   SET(CMAKE_REQUIRED_FLAGS ${SAVE_CMAKE_REQUIRED_FLAGS})
 ENDIF()
+
+IF(CMAKE_C_COMPILER_ID MATCHES "Intel")
+  MY_CHECK_AND_SET_COMPILER_FLAG("-no-ansi-alias")
+  MY_CHECK_AND_SET_COMPILER_FLAG("-fp-model precise")
+ENDIF()
diff --git a/mysql-test/include/default_mysqld.cnf b/mysql-test/include/default_mysqld.cnf
index 4788fbb7ff6..4c00327ea65 100644
--- a/mysql-test/include/default_mysqld.cnf
+++ b/mysql-test/include/default_mysqld.cnf
@@ -91,7 +91,7 @@ loose-performance-schema-events-statements-history-size=10
 loose-performance-schema-events-statements-history-long-size=1000
 loose-performance-schema-events-transactions-history-size=10
 loose-performance-schema-events-transactions-history-long-size=1000
-loose-performance-schema-max-thread-instances=200
+loose-performance-schema-max-thread-instances=400
 loose-performance-schema-session-connect-attrs-size=2048
 loose-performance-schema-max-metadata-locks=10000
 
diff --git a/mysql-test/include/rpl_change_topology.inc b/mysql-test/include/rpl_change_topology.inc
index 1ee6e711372..2b75579568b 100644
--- a/mysql-test/include/rpl_change_topology.inc
+++ b/mysql-test/include/rpl_change_topology.inc
@@ -96,10 +96,11 @@
 # Remove whitespace from $rpl_topology
 --let $rpl_topology= `SELECT REPLACE('$rpl_topology', ' ', '')`
 
+--source include/slow_environ.inc
+
 --let $include_filename= rpl_change_topology.inc [new topology=$rpl_topology]
 --source include/begin_include_file.inc
 
-
 if ($rpl_debug)
 {
   --echo ---- Check input ----
@@ -233,7 +234,7 @@ if (!$rpl_skip_change_master)
           --echo "\$rpl_master_log_pos parameter not set for the master: $_rpl_master. Set log position to empty."
         }
       }
-      eval CHANGE MASTER TO MASTER_HOST = '127.0.0.1', MASTER_PORT = $_rpl_port, MASTER_USER = 'root', MASTER_LOG_FILE = '$_rpl_master_log_file'$_rpl_master_log_pos, MASTER_CONNECT_RETRY = 1;
+      eval CHANGE MASTER TO MASTER_HOST = '127.0.0.1', MASTER_PORT = $_rpl_port, MASTER_USER = 'root', MASTER_LOG_FILE = '$_rpl_master_log_file'$_rpl_master_log_pos, MASTER_CONNECT_RETRY = 1$_timeout_adjustment;
     }
     if ($_rpl_master == '')
     {
diff --git a/mysql-test/include/shutdown_mysqld.inc b/mysql-test/include/shutdown_mysqld.inc
index fc2972560c3..2db4624e4ac 100644
--- a/mysql-test/include/shutdown_mysqld.inc
+++ b/mysql-test/include/shutdown_mysqld.inc
@@ -31,11 +31,8 @@ if ($rpl_inited)
 set @@global.log_warnings=0;
 --enable_query_log
 
---let $server_shutdown_timeout= 60
-if ($VALGRIND_TEST)
-{
-  --let $server_shutdown_timeout= 300
-}
+--source include/slow_environ.inc
+--let $server_shutdown_timeout= 60$_timeout_adjustment
 
 if ($shutdown_timeout)
 {
diff --git a/mysql-test/include/slow_environ.inc b/mysql-test/include/slow_environ.inc
new file mode 100644
index 00000000000..761147fd288
--- /dev/null
+++ b/mysql-test/include/slow_environ.inc
@@ -0,0 +1,9 @@
+if (!$slow_environ_check)
+{
+  let $_timeout_adjustment=;
+  if (`select $VALGRIND_TEST + count(*) from information_schema.system_variables where variable_name='have_sanitizer' and global_value like '%SAN%'`)
+  {
+    let $_timeout_adjustment=0;
+  }
+  let $slow_environ_check=1;
+}
diff --git a/mysql-test/include/stop_slave_io.inc b/mysql-test/include/stop_slave_io.inc
index ddc83782311..a9d97f2f8a1 100644
--- a/mysql-test/include/stop_slave_io.inc
+++ b/mysql-test/include/stop_slave_io.inc
@@ -34,8 +34,17 @@ if (!$rpl_debug)
   --disable_query_log
 }
 
-
+let $_enable_warnings=0;
+if ($rpl_allow_error) {
+  if ($ENABLED_WARNINGS) {
+    let $_enable_warnings=1;
+    disable_warnings;
+  }
+}
 STOP SLAVE IO_THREAD;
+if ($_enable_warnings) {
+  enable_warnings;
+}
 --source include/wait_for_slave_io_to_stop.inc
 
 
diff --git a/mysql-test/include/sync_slave_sql_with_io.inc b/mysql-test/include/sync_slave_sql_with_io.inc
index 9efede9a61f..c16d28edbb9 100644
--- a/mysql-test/include/sync_slave_sql_with_io.inc
+++ b/mysql-test/include/sync_slave_sql_with_io.inc
@@ -25,11 +25,8 @@
 let $_slave_timeout= $slave_timeout;
 if (!$_slave_timeout)
 {
-  let $_slave_timeout= 300;
-  if ($VALGRIND_TEST)
-  {
-    let $_slave_timeout= 1500;
-  }
+  source include/slow_environ.inc;
+  let $_slave_timeout= 300$_timeout_adjustment;
 }
 
 --let $_master_log_file= query_get_value(SHOW SLAVE STATUS, Master_Log_File, 1)
diff --git a/mysql-test/include/sync_with_master_gtid.inc b/mysql-test/include/sync_with_master_gtid.inc
index 777711b979c..0ca2c90784e 100644
--- a/mysql-test/include/sync_with_master_gtid.inc
+++ b/mysql-test/include/sync_with_master_gtid.inc
@@ -33,11 +33,8 @@
 let $_slave_timeout= $slave_timeout;
 if (!$_slave_timeout)
 {
-  let $_slave_timeout= 120;
-  if ($VALGRIND_TEST)
-  {
-    let $_slave_timeout= 1200;
-  }
+  source include/slow_environ.inc;
+  let $_slave_timeout= 120$_timeout_adjustment;
 }
 
 --let $_result= `SELECT master_gtid_wait('$master_pos', $_slave_timeout)`
diff --git a/mysql-test/include/wait_for_slave_param.inc b/mysql-test/include/wait_for_slave_param.inc
index ed81c55963f..6802cd41203 100644
--- a/mysql-test/include/wait_for_slave_param.inc
+++ b/mysql-test/include/wait_for_slave_param.inc
@@ -49,11 +49,8 @@
 let $_slave_timeout= $slave_timeout;
 if (!$_slave_timeout)
 {
-  let $_slave_timeout= 300;
-  if ($VALGRIND_TEST)
-  {
-    let $_slave_timeout= 1500;
-  }
+  source include/slow_environ.inc;
+  let $_slave_timeout= 300$_timeout_adjustment;
 }
 
 let $_slave_param_comparison= $slave_param_comparison;
diff --git a/mysql-test/lib/My/Debugger.pm b/mysql-test/lib/My/Debugger.pm
index d129aa09961..907638c9433 100644
--- a/mysql-test/lib/My/Debugger.pm
+++ b/mysql-test/lib/My/Debugger.pm
@@ -263,6 +263,7 @@ sub pre_setup() {
     $::opt_suite_timeout= 24 * 60;                              # in minutes
     $::opt_shutdown_timeout= ($interactive ? 24 * 60 : 3) * 60; # in seconds
     $::opt_start_timeout= $::opt_shutdown_timeout;              # in seconds
+    $::opt_debug_sync_timeout= 3000;                            # in seconds
   }
 }
 
diff --git a/mysql-test/main/constraints.result b/mysql-test/main/constraints.result
index 143c22321ab..d2a19040083 100644
--- a/mysql-test/main/constraints.result
+++ b/mysql-test/main/constraints.result
@@ -235,3 +235,16 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
 drop procedure sp;
 drop table t1;
+#
+# MDEV-33768: Memory leak found in the test main.constraints run with --ps-protocol against a server built with the option -DWITH_PROTECT_STATEMENT_MEMROOT
+# This test case was added by reviewer's request.
+#
+PREPARE stmt FROM 'CREATE TABLE t1 (a INT)';
+EXECUTE stmt;
+DROP TABLE t1;
+EXECUTE stmt;
+EXECUTE stmt;
+ERROR 42S01: Table 't1' already exists
+# Clean up
+DROP TABLE t1;
+DEALLOCATE PREPARE stmt;
diff --git a/mysql-test/main/constraints.test b/mysql-test/main/constraints.test
index 5c673f9be81..83f3394d6f6 100644
--- a/mysql-test/main/constraints.test
+++ b/mysql-test/main/constraints.test
@@ -189,3 +189,18 @@ call sp;
 show create table t1;
 drop procedure sp;
 drop table t1;
+
+--echo #
+--echo # MDEV-33768: Memory leak found in the test main.constraints run with --ps-protocol against a server built with the option -DWITH_PROTECT_STATEMENT_MEMROOT
+--echo # This test case was added by reviewer's request.
+--echo #
+PREPARE stmt FROM 'CREATE TABLE t1 (a INT)';
+EXECUTE stmt;
+DROP TABLE t1;
+EXECUTE stmt;
+--error ER_TABLE_EXISTS_ERROR
+EXECUTE stmt;
+
+--echo # Clean up
+DROP TABLE t1;
+DEALLOCATE PREPARE stmt;
diff --git a/mysql-test/main/create.result b/mysql-test/main/create.result
index c1ef8b527de..e53576f2dde 100644
--- a/mysql-test/main/create.result
+++ b/mysql-test/main/create.result
@@ -1806,7 +1806,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `color` char(32) GENERATED ALWAYS AS (column_get(`dynamic_cols`,1 as char charset latin1)) STORED,
-  `cl` char(32) GENERATED ALWAYS AS (column_get(column_add(column_create(1,'blue' AS char charset latin1 ),2,'ttt'),`i` as char charset latin1)) STORED,
+  `cl` char(32) GENERATED ALWAYS AS (column_get(column_add(column_create(1,'blue' AS char charset latin1 collate latin1_swedish_ci ),2,'ttt'),`i` as char charset latin1)) STORED,
   `item_name` varchar(32) NOT NULL,
   `i` int(11) DEFAULT NULL,
   `dynamic_cols` blob DEFAULT NULL,
diff --git a/mysql-test/main/dyncol.result b/mysql-test/main/dyncol.result
index a10a1356c89..bfa8ea2994a 100644
--- a/mysql-test/main/dyncol.result
+++ b/mysql-test/main/dyncol.result
@@ -150,7 +150,7 @@ select hex(COLUMN_CREATE(1, "afaf" AS char character set utf8,
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select hex(column_create(1,'afaf' AS char charset utf8mb3 ,2,1212 AS unsigned int,3,1212 AS int,4,12.12 AS double,4 + 1,12.12 AS decimal,6,'2011-04-05' AS date,7,'- 0:45:49.000001' AS time,8,'2011-04-05 0:45:49.000001' AS datetime)) AS `ex`
+Note	1003	select hex(column_create(1,'afaf' AS char charset utf8mb3 collate utf8mb3_general_ci ,2,1212 AS unsigned int,3,1212 AS int,4,12.12 AS double,4 + 1,12.12 AS decimal,6,'2011-04-05' AS date,7,'- 0:45:49.000001' AS time,8,'2011-04-05 0:45:49.000001' AS datetime)) AS `ex`
 select hex(column_create(1, 0.0 AS decimal));
 hex(column_create(1, 0.0 AS decimal))
 000100010004
@@ -354,7 +354,7 @@ select column_get(column_create(1, "1212" AS char charset utf8), 1 as char chars
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select column_get(column_create(1,'1212' AS char charset utf8mb3 ),1 as char charset utf8mb3) AS `ex`
+Note	1003	select column_get(column_create(1,'1212' AS char charset utf8mb3 collate utf8mb3_general_ci ),1 as char charset utf8mb3) AS `ex`
 select column_get(column_create(1, 1212 AS unsigned int), 1 as char charset utf8) as ex;
 ex
 1212
@@ -414,7 +414,7 @@ select column_get(column_create(1, "1212" AS char charset utf8), 1 as char chars
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select column_get(column_create(1,'1212' AS char charset utf8mb3 ),1 as char charset binary) AS `ex`
+Note	1003	select column_get(column_create(1,'1212' AS char charset utf8mb3 collate utf8mb3_general_ci ),1 as char charset binary) AS `ex`
 #
 # column get real
 #
@@ -1882,7 +1882,7 @@ drop table t1;
 create view v1 as select column_get(column_add(column_create(1 , 'blue' as char), 2, 'ttt'), 1 as char);
 show create view v1;
 View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select column_get(column_add(column_create(1,'blue' AS char charset utf8mb3 ),2,'ttt'),1 as char charset utf8mb3) AS `Name_exp_1`	utf8mb3	utf8mb3_general_ci
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select column_get(column_add(column_create(1,'blue' AS char charset utf8mb3 collate utf8mb3_general_ci ),2,'ttt'),1 as char charset utf8mb3) AS `Name_exp_1`	utf8mb3	utf8mb3_general_ci
 select * from v1;
 Name_exp_1
 blue
@@ -1949,3 +1949,23 @@ ex
 #
 # End of 10.4 tests
 #
+#
+# Start of 10.5 tests
+#
+#
+# Start of 10.5 tests
+#
+#
+# MDEV-33788 HEX(COLUMN_CREATE(.. AS CHAR ...)) fails with --view-protocol
+#
+SELECT hex(column_create(1,'a' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_bin)) AS ex;
+ex
+0001000100035361
+SELECT hex(column_add(column_create(
+1, 'a' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_bin),
+2, 'b' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci)) AS ex;
+ex
+00020001000302001353612162
+#
+# Start of 10.5 tests
+#
diff --git a/mysql-test/main/dyncol.test b/mysql-test/main/dyncol.test
index 8b3164217d1..1343025d5c5 100644
--- a/mysql-test/main/dyncol.test
+++ b/mysql-test/main/dyncol.test
@@ -1000,3 +1000,24 @@ SELECT HEX(COLUMN_ADD(COLUMN_CREATE(1,10),2,NULL,1,NULL)) as ex;
 --echo #
 --echo # End of 10.4 tests
 --echo #
+
+--echo #
+--echo # Start of 10.5 tests
+--echo #
+
+--echo #
+--echo # Start of 10.5 tests
+--echo #
+
+--echo #
+--echo # MDEV-33788 HEX(COLUMN_CREATE(.. AS CHAR ...)) fails with --view-protocol
+--echo #
+
+SELECT hex(column_create(1,'a' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_bin)) AS ex;
+SELECT hex(column_add(column_create(
+                      1, 'a' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_bin),
+                      2, 'b' AS CHAR CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci)) AS ex;
+
+--echo #
+--echo # Start of 10.5 tests
+--echo #
diff --git a/mysql-test/main/empty_string_literal.result b/mysql-test/main/empty_string_literal.result
index 71b0869cb2a..447bad8a75a 100644
--- a/mysql-test/main/empty_string_literal.result
+++ b/mysql-test/main/empty_string_literal.result
@@ -208,12 +208,13 @@ t1	CREATE TABLE `t1` (
   KEY `a` (`a`,`b`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
 drop table t1;
+set sql_mode= default;
 #
 # MDEV-33460 select '123' 'x'; unexpected result
 #
 SELECT '';
-NULL
-NULL
+
+
 SELECT '' 'b' 'c';
 bc
 bc
diff --git a/mysql-test/main/empty_string_literal.test b/mysql-test/main/empty_string_literal.test
index 3320841fb42..e3ae009445b 100644
--- a/mysql-test/main/empty_string_literal.test
+++ b/mysql-test/main/empty_string_literal.test
@@ -25,12 +25,15 @@ flush tables;
 update t1 set a = 2;
 show create table t1;
 drop table t1;
+set sql_mode= default;
 
 --echo #
 --echo # MDEV-33460 select '123' 'x'; unexpected result
 --echo #
 
+--disable_view_protocol
 SELECT '';
+--enable_view_protocol
 SELECT '' 'b' 'c';
 SELECT '' '' 'c';
 SELECT 'a' '' 'c';
diff --git a/mysql-test/main/func_in.result b/mysql-test/main/func_in.result
index 3a7a34e1011..d2a5350ea27 100644
--- a/mysql-test/main/func_in.result
+++ b/mysql-test/main/func_in.result
@@ -980,6 +980,84 @@ c1
 9223372036854775808
 drop table `a`;
 #
+# MDEV-18319 BIGINT UNSIGNED Performance issue
+#
+CREATE OR REPLACE TABLE t1 (
+id bigint(20) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+FOR i IN 0..255
+DO
+INSERT INTO t1 VALUES ();
+END FOR
+$$
+SELECT MIN(id), MAX(id), COUNT(*) FROM t1;
+MIN(id)	MAX(id)	COUNT(*)
+1	256	256
+EXPLAIN SELECT id FROM t1 WHERE id IN (1,2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775806, 9223372036854775807);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775807, 9223372036854775808);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+DROP TABLE t1;
+#
+# MDEV-18898 SELECT using wrong index when using operator IN with mixed types
+#
+CREATE TEMPORARY TABLE t1 (
+id int(10) unsigned NOT NULL AUTO_INCREMENT,
+name varchar(100) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
+PRIMARY KEY (`id`),
+UNIQUE KEY `name` (`name`)
+);
+FOR i IN 1..255
+DO
+INSERT INTO t1 VALUES (i, MD5(i));
+END FOR
+$$
+#
+# Constants alone
+#
+ANALYZE SELECT id, name FROM t1 WHERE id = 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	NULL	100.00	NULL	
+ANALYZE SELECT id, name FROM t1 WHERE id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	NULL	100.00	NULL	
+#
+# Two constants using IN
+#
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, 2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', 2) /* Used a wrong index */;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, '2') /* Used a wrong index */;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', '2');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+#
+# Two constants using OR
+#
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+DROP TABLE t1;
+#
 # End of 10.5 tests
 #
 #
diff --git a/mysql-test/main/func_in.test b/mysql-test/main/func_in.test
index 6389c200b19..3d0e542d0f8 100644
--- a/mysql-test/main/func_in.test
+++ b/mysql-test/main/func_in.test
@@ -751,6 +751,66 @@ SELECT c1 FROM a WHERE c1 IN ( 1, 9223372036854775807 );
 SELECT c1 FROM a WHERE c1 IN ( 1, 9223372036854775808 );
 drop table `a`;
 
+--echo #
+--echo # MDEV-18319 BIGINT UNSIGNED Performance issue
+--echo #
+
+CREATE OR REPLACE TABLE t1 (
+  id bigint(20) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+DELIMITER $$;
+FOR i IN 0..255
+DO
+  INSERT INTO t1 VALUES ();
+END FOR
+$$
+DELIMITER ;$$
+SELECT MIN(id), MAX(id), COUNT(*) FROM t1;
+EXPLAIN SELECT id FROM t1 WHERE id IN (1,2);
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775806, 9223372036854775807);
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775807, 9223372036854775808);
+DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-18898 SELECT using wrong index when using operator IN with mixed types
+--echo #
+
+CREATE TEMPORARY TABLE t1 (
+  id int(10) unsigned NOT NULL AUTO_INCREMENT,
+  name varchar(100) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `name` (`name`)
+);
+DELIMITER $$;
+FOR i IN 1..255
+DO
+  INSERT INTO t1 VALUES (i, MD5(i));
+END FOR
+$$
+DELIMITER ;$$
+--echo #
+--echo # Constants alone
+--echo #
+ANALYZE SELECT id, name FROM t1 WHERE id = 1;
+ANALYZE SELECT id, name FROM t1 WHERE id = '2';
+--echo #
+--echo # Two constants using IN
+--echo #
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, 2);
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', 2) /* Used a wrong index */;
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, '2') /* Used a wrong index */;
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', '2');
+--echo #
+--echo # Two constants using OR
+--echo #
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = 2;
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = '2';
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = '2';
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = 2;
+DROP TABLE t1;
+
+
 --echo #
 --echo # End of 10.5 tests
 --echo #
diff --git a/mysql-test/main/func_json.result b/mysql-test/main/func_json.result
index 31b74981e1b..464e9285dfe 100644
--- a/mysql-test/main/func_json.result
+++ b/mysql-test/main/func_json.result
@@ -1690,6 +1690,13 @@ select json_arrayagg('ä'), json_objectagg(1, 'ä');
 json_arrayagg('ä')	json_objectagg(1, 'ä')
 ["ä"]	{"1":"ä"}
 #
+# MDEV-31402: SIGSEGV in json_get_path_next | Item_func_json_extract::read_json
+#
+CREATE TABLE t (id CHAR AS (JSON_COMPACT (JSON_EXTRACT(doc,"$._id"))) UNIQUE KEY,doc JSON,CONSTRAINT notnu CHECK (id IS NOT NULL));
+INSERT INTO t (doc) VALUES ('{ "_id" : { "$oid" : "0ca0b0f0" },"a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" :0} ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] }');
+ERROR 22001: Data too long for column 'id' at row 1
+DROP TABLE t;
+#
 # End of 10.5 tests
 #
 #
diff --git a/mysql-test/main/func_json.test b/mysql-test/main/func_json.test
index 0d9f2518575..f594b43b564 100644
--- a/mysql-test/main/func_json.test
+++ b/mysql-test/main/func_json.test
@@ -1118,6 +1118,16 @@ set names latin1;
 select json_arrayagg('ä'), json_objectagg(1, 'ä');
 --enable_service_connection
 
+--echo #
+--echo # MDEV-31402: SIGSEGV in json_get_path_next | Item_func_json_extract::read_json
+--echo #
+
+CREATE TABLE t (id CHAR AS (JSON_COMPACT (JSON_EXTRACT(doc,"$._id"))) UNIQUE KEY,doc JSON,CONSTRAINT notnu CHECK (id IS NOT NULL));
+--error ER_DATA_TOO_LONG
+INSERT INTO t (doc) VALUES ('{ "_id" : { "$oid" : "0ca0b0f0" },"a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" : [ { "a" :0} ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] } ] }');
+
+DROP TABLE t;
+
 --echo #
 --echo # End of 10.5 tests
 --echo #
diff --git a/mysql-test/main/func_time.result b/mysql-test/main/func_time.result
index 0f807a691b3..eaf30f5f925 100644
--- a/mysql-test/main/func_time.result
+++ b/mysql-test/main/func_time.result
@@ -6373,3 +6373,57 @@ NULL
 SELECT FROM_UNIXTIME(LEAST(3696610869, NULL));
 FROM_UNIXTIME(LEAST(3696610869, NULL))
 NULL
+#
+# Start of 10.5 tests
+#
+#
+# MDEV-29149 Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed
+#
+SET @@timestamp= UNIX_TIMESTAMP('2022-07-21 23:00:00');
+SELECT DATE_SUB('2022-07-21 00:00:00', INTERVAL 800 HOUR) AS expected_result;
+expected_result
+2022-06-17 16:00:00
+SELECT
+IF(1,TIMEDIFF('38:59:59','839:00:00'),CAST('2022-12-12' AS DATE)) AS c1,
+IF(1,TIMEDIFF('-839:00:00','-38:59:59'),CAST('2022-12-12' AS DATE)) AS c2;
+c1	c2
+2022-06-17 16:00:00	2022-06-17 16:00:00
+Warnings:
+Warning	1292	Truncated incorrect time value: '839:00:00'
+Warning	1292	Truncated incorrect time value: '-839:00:00'
+SELECT
+IF(1,TIMEDIFF(385959,8390000),CAST('2022-12-12' AS DATE)) AS c1,
+IF(1,TIMEDIFF(-8390000,-385959),CAST('2022-12-12' AS DATE)) AS c2;
+c1	c2
+2022-06-17 16:00:00	2022-06-17 16:00:00
+Warnings:
+Warning	1292	Truncated incorrect time value: '8390000'
+Warning	1292	Truncated incorrect time value: '-8390000'
+SELECT
+TIMEDIFF('38:59:59','839:00:00') AS c1,
+CAST(TIMEDIFF('38:59:59','839:00:00') AS TIME(6)) AS c2,
+TIMEDIFF('839:00:00','38:59:59') AS c3,
+CAST(TIMEDIFF('839:00:00','38:59:59') AS TIME(6)) AS c4;
+c1	c2	c3	c4
+-800:00:00	-800:00:00.000000	800:00:00	800:00:00.000000
+Warnings:
+Warning	1292	Truncated incorrect time value: '839:00:00'
+Warning	1292	Truncated incorrect time value: '839:00:00'
+Warning	1292	Truncated incorrect time value: '839:00:00'
+Warning	1292	Truncated incorrect time value: '839:00:00'
+SELECT
+TIMEDIFF(385959,8390000) AS c1,
+CAST(TIMEDIFF(385959,8390000) AS TIME(6)) AS c2,
+TIMEDIFF(8390000,385959) AS c3,
+CAST(TIMEDIFF(8390000,385959) AS TIME(6)) AS c4;
+c1	c2	c3	c4
+-800:00:00	-800:00:00.000000	800:00:00	800:00:00.000000
+Warnings:
+Warning	1292	Truncated incorrect time value: '8390000'
+Warning	1292	Truncated incorrect time value: '8390000'
+Warning	1292	Truncated incorrect time value: '8390000'
+Warning	1292	Truncated incorrect time value: '8390000'
+SET @@timestamp= DEFAULT;
+#
+# End of 10.5 tests
+#
diff --git a/mysql-test/main/func_time.test b/mysql-test/main/func_time.test
index bbf256faf67..b0852687518 100644
--- a/mysql-test/main/func_time.test
+++ b/mysql-test/main/func_time.test
@@ -3218,3 +3218,42 @@ SELECT CONCAT(MAKETIME('01', '01', LEAST( -100, NULL )));
 --echo #
 
 SELECT FROM_UNIXTIME(LEAST(3696610869, NULL));
+
+
+--echo #
+--echo # Start of 10.5 tests
+--echo #
+
+--echo #
+--echo # MDEV-29149 Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed
+--echo #
+
+SET @@timestamp= UNIX_TIMESTAMP('2022-07-21 23:00:00');
+
+SELECT DATE_SUB('2022-07-21 00:00:00', INTERVAL 800 HOUR) AS expected_result;
+
+SELECT
+  IF(1,TIMEDIFF('38:59:59','839:00:00'),CAST('2022-12-12' AS DATE)) AS c1,
+  IF(1,TIMEDIFF('-839:00:00','-38:59:59'),CAST('2022-12-12' AS DATE)) AS c2;
+
+SELECT
+  IF(1,TIMEDIFF(385959,8390000),CAST('2022-12-12' AS DATE)) AS c1,
+  IF(1,TIMEDIFF(-8390000,-385959),CAST('2022-12-12' AS DATE)) AS c2;
+
+SELECT
+  TIMEDIFF('38:59:59','839:00:00') AS c1,
+  CAST(TIMEDIFF('38:59:59','839:00:00') AS TIME(6)) AS c2,
+  TIMEDIFF('839:00:00','38:59:59') AS c3,
+  CAST(TIMEDIFF('839:00:00','38:59:59') AS TIME(6)) AS c4;
+
+SELECT
+  TIMEDIFF(385959,8390000) AS c1,
+  CAST(TIMEDIFF(385959,8390000) AS TIME(6)) AS c2,
+  TIMEDIFF(8390000,385959) AS c3,
+  CAST(TIMEDIFF(8390000,385959) AS TIME(6)) AS c4;
+
+SET @@timestamp= DEFAULT;
+
+--echo #
+--echo # End of 10.5 tests
+--echo #
diff --git a/mysql-test/main/gis.result b/mysql-test/main/gis.result
index d38d8b8ee5b..33eaf58942e 100644
--- a/mysql-test/main/gis.result
+++ b/mysql-test/main/gis.result
@@ -5072,37 +5072,37 @@ ERROR 42000: Incorrect parameter count in the call to native function 'WITHIN(PO
 # MDEV-20009 Add CAST(expr AS pluggable_type)
 #
 SELECT CAST(1 AS GEOMETRY);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometry)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometry)'
 SELECT CAST(1 AS GEOMETRYCOLLECTION);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometrycollection)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometrycollection)'
 SELECT CAST(1 AS POINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS point)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS point)'
 SELECT CAST(1 AS LINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS linestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS linestring)'
 SELECT CAST(1 AS POLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS polygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS polygon)'
 SELECT CAST(1 AS MULTIPOINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipoint)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipoint)'
 SELECT CAST(1 AS MULTILINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multilinestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multilinestring)'
 SELECT CAST(1 AS MULTIPOLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipolygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipolygon)'
 SELECT CONVERT(1, GEOMETRY);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometry)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometry)'
 SELECT CONVERT(1, GEOMETRYCOLLECTION);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometrycollection)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometrycollection)'
 SELECT CONVERT(1, POINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS point)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS point)'
 SELECT CONVERT(1, LINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS linestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS linestring)'
 SELECT CONVERT(1, POLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS polygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS polygon)'
 SELECT CONVERT(1, MULTIPOINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipoint)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipoint)'
 SELECT CONVERT(1, MULTILINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multilinestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multilinestring)'
 SELECT CONVERT(1, MULTIPOLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipolygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipolygon)'
 #
 # MDEV-17832 Protocol: extensions for Pluggable types and JSON, GEOMETRY
 #
diff --git a/mysql-test/main/kill_processlist-6619.result b/mysql-test/main/kill_processlist-6619.result
index 25831a1f63b..7dd42790cc7 100644
--- a/mysql-test/main/kill_processlist-6619.result
+++ b/mysql-test/main/kill_processlist-6619.result
@@ -1,8 +1,4 @@
-SET DEBUG_SYNC='dispatch_command_end SIGNAL ready WAIT_FOR go';
-select 1;
 connect  con1,localhost,root,,;
-SET DEBUG_SYNC='now wait_for ready';
-SET DEBUG_SYNC='now signal go';
 SHOW PROCESSLIST;
 Id	User	Host	db	Command	Time	State	Info	Progress
 #	root	#	test	Sleep	#	#	NULL	0.000
@@ -10,8 +6,6 @@ Id	User	Host	db	Command	Time	State	Info	Progress
 SET DEBUG_SYNC='before_execute_sql_command SIGNAL ready WAIT_FOR go';
 SHOW PROCESSLIST;
 connection default;
-1
-1
 SET DEBUG_SYNC='now WAIT_FOR ready';
 KILL QUERY con_id;
 SET DEBUG_SYNC='now SIGNAL go';
diff --git a/mysql-test/main/kill_processlist-6619.test b/mysql-test/main/kill_processlist-6619.test
index 7330c79acd8..09c41f28a8f 100644
--- a/mysql-test/main/kill_processlist-6619.test
+++ b/mysql-test/main/kill_processlist-6619.test
@@ -4,23 +4,21 @@
 --source include/not_embedded.inc
 --source include/have_debug_sync.inc
 
-# This is to ensure that the following SHOW PROCESSLIST does not show the query
-SET DEBUG_SYNC='dispatch_command_end SIGNAL ready WAIT_FOR go';
---send select 1
+let $wait_condition=select count(*) = 1 from information_schema.processlist;
+source include/wait_condition.inc;
 
 --connect (con1,localhost,root,,)
-SET DEBUG_SYNC='now wait_for ready';
-SET DEBUG_SYNC='now signal go';
-
 --let $con_id = `SELECT CONNECTION_ID()`
+
+let $wait_condition=select info is NULL from information_schema.processlist where id != $con_id;
+source include/wait_condition.inc;
+
 --replace_result Execute Query
 --replace_column 1 # 3 # 6 # 7 #
 SHOW PROCESSLIST;
 SET DEBUG_SYNC='before_execute_sql_command SIGNAL ready WAIT_FOR go';
 send SHOW PROCESSLIST;
 --connection default
---reap
-
 # We must wait for the SHOW PROCESSLIST query to have started before sending
 # the kill. Otherwise, the KILL may be lost since it is reset at the start of
 # query execution.
diff --git a/mysql-test/main/load_timezones_with_alter_algorithm_inplace.result b/mysql-test/main/load_timezones_with_alter_algorithm_inplace.result
new file mode 100644
index 00000000000..4992e7ed93b
--- /dev/null
+++ b/mysql-test/main/load_timezones_with_alter_algorithm_inplace.result
@@ -0,0 +1,18 @@
+set global alter_algorithm=INPLACE;
+RENAME TABLE mysql.time_zone TO mysql.time_zone_BACKUP;
+RENAME TABLE mysql.time_zone_name TO mysql.time_zone_name_BACKUP;
+RENAME TABLE mysql.time_zone_transition TO mysql.time_zone_transition_BACKUP;
+RENAME TABLE mysql.time_zone_transition_type TO mysql.time_zone_transition_type_BACKUP;
+CREATE TABLE mysql.time_zone LIKE mysql.time_zone_BACKUP;
+CREATE TABLE mysql.time_zone_name LIKE mysql.time_zone_name_BACKUP;
+CREATE TABLE mysql.time_zone_transition LIKE mysql.time_zone_transition_BACKUP;
+CREATE TABLE mysql.time_zone_transition_type LIKE mysql.time_zone_transition_type_BACKUP;
+DROP TABLE mysql.time_zone;
+DROP TABLE mysql.time_zone_name;
+DROP TABLE mysql.time_zone_transition;
+DROP TABLE mysql.time_zone_transition_type;
+RENAME TABLE mysql.time_zone_BACKUP TO mysql.time_zone;
+RENAME TABLE mysql.time_zone_name_BACKUP TO mysql.time_zone_name;
+RENAME TABLE mysql.time_zone_transition_BACKUP TO mysql.time_zone_transition;
+RENAME TABLE mysql.time_zone_transition_type_BACKUP TO mysql.time_zone_transition_type;
+set global alter_algorithm=DEFAULT;
diff --git a/mysql-test/main/load_timezones_with_alter_algorithm_inplace.test b/mysql-test/main/load_timezones_with_alter_algorithm_inplace.test
new file mode 100644
index 00000000000..809f147fe04
--- /dev/null
+++ b/mysql-test/main/load_timezones_with_alter_algorithm_inplace.test
@@ -0,0 +1,40 @@
+--source include/not_embedded.inc
+
+# MDEV-33044 Loading time zones does not work with alter_algorithm INPLACE
+
+set global alter_algorithm=INPLACE;
+
+# Because loading timezones alters the mysql tables,
+# this test will leave mysql in a different state than when it started.
+# Furthermore, checksums on the various mysql.timezone_x tables will fail. 
+
+# Therefore we:
+# 1. Make "backups" of the existing tables by renaming them
+# 2. Make dummy clones of the tables we just backed up
+# 3. Load timezones with alterations made to the dummy clone tables
+# 4. Drop the newly made tables with changes made to them
+# 5. Restore the backed up tables so the checksums will pass
+
+RENAME TABLE mysql.time_zone TO mysql.time_zone_BACKUP;
+RENAME TABLE mysql.time_zone_name TO mysql.time_zone_name_BACKUP;
+RENAME TABLE mysql.time_zone_transition TO mysql.time_zone_transition_BACKUP;
+RENAME TABLE mysql.time_zone_transition_type TO mysql.time_zone_transition_type_BACKUP;
+
+CREATE TABLE mysql.time_zone LIKE mysql.time_zone_BACKUP;
+CREATE TABLE mysql.time_zone_name LIKE mysql.time_zone_name_BACKUP;
+CREATE TABLE mysql.time_zone_transition LIKE mysql.time_zone_transition_BACKUP;
+CREATE TABLE mysql.time_zone_transition_type LIKE mysql.time_zone_transition_type_BACKUP;
+
+--exec $MYSQL_TZINFO_TO_SQL std_data/zoneinfo | $MYSQL mysql
+
+DROP TABLE mysql.time_zone;
+DROP TABLE mysql.time_zone_name;
+DROP TABLE mysql.time_zone_transition;
+DROP TABLE mysql.time_zone_transition_type;
+
+RENAME TABLE mysql.time_zone_BACKUP TO mysql.time_zone;
+RENAME TABLE mysql.time_zone_name_BACKUP TO mysql.time_zone_name;
+RENAME TABLE mysql.time_zone_transition_BACKUP TO mysql.time_zone_transition;
+RENAME TABLE mysql.time_zone_transition_type_BACKUP TO mysql.time_zone_transition_type;
+
+set global alter_algorithm=DEFAULT;
diff --git a/mysql-test/main/mdl_sync.result b/mysql-test/main/mdl_sync.result
index 0324c261749..c6b80c50b40 100644
--- a/mysql-test/main/mdl_sync.result
+++ b/mysql-test/main/mdl_sync.result
@@ -2431,6 +2431,9 @@ create table t1 (a int) engine=myisam;
 create table t2 (a int) stats_persistent=0, engine=innodb;
 insert into t1 values (1);
 insert into t2 values (1);
+connect  con1, localhost, root;
+start transaction with consistent snapshot;
+connection default;
 SET DEBUG_SYNC= 'after_open_table_mdl_shared SIGNAL table_opened WAIT_FOR grlwait execute 2';
 update t1,t2 set t1.a=2,t2.a=3;
 connection con2;
@@ -2462,6 +2465,7 @@ connection default;
 SET DEBUG_SYNC= 'RESET';
 drop table t1,t2;
 disconnect con2;
+disconnect con1;
 #
 # Bug#50786 Assertion `thd->mdl_context.trans_sentinel() == __null' 
 #           failed in open_ltable()
diff --git a/mysql-test/main/mdl_sync.test b/mysql-test/main/mdl_sync.test
index bfce49d65e3..742e8df65e9 100644
--- a/mysql-test/main/mdl_sync.test
+++ b/mysql-test/main/mdl_sync.test
@@ -3115,6 +3115,12 @@ create table t2 (a int) stats_persistent=0, engine=innodb;
 insert into t1 values (1);
 insert into t2 values (1);
 
+connect (con1, localhost, root);
+# disable innodb purge thread, otherwise it might start purging t2,
+# and will take an mdl, affecting metadata_lock_info output.
+start transaction with consistent snapshot;
+connection default;
+
 SET DEBUG_SYNC= 'after_open_table_mdl_shared SIGNAL table_opened WAIT_FOR grlwait execute 2';
 --send update t1,t2 set t1.a=2,t2.a=3
 
@@ -3160,6 +3166,7 @@ connection default;
 SET DEBUG_SYNC= 'RESET';
 drop table t1,t2;
 disconnect con2;
+disconnect con1;
 
 --echo #
 --echo # Bug#50786 Assertion `thd->mdl_context.trans_sentinel() == __null' 
diff --git a/mysql-test/main/mysql_tzinfo_to_sql_symlink.result b/mysql-test/main/mysql_tzinfo_to_sql_symlink.result
index 97548768a2d..86ff8179b44 100644
--- a/mysql-test/main/mysql_tzinfo_to_sql_symlink.result
+++ b/mysql-test/main/mysql_tzinfo_to_sql_symlink.result
@@ -18,6 +18,8 @@ execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
+SET @old_alter_alg=@@SESSION.alter_algorithm;
+SET session alter_algorithm='COPY';
 TRUNCATE TABLE time_zone;
 TRUNCATE TABLE time_zone_name;
 TRUNCATE TABLE time_zone_transition;
@@ -52,6 +54,7 @@ execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone E
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_name ENGINE=', @time_zone_name_engine), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition ENGINE=', @time_zone_transition_engine, ', ORDER BY Time_zone_id, Transition_time'), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition_type ENGINE=', @time_zone_transition_type_engine, ', ORDER BY Time_zone_id, Transition_type_id'), 'do 0');
+SET session alter_algorithm=@old_alter_alg;
 #
 # MDEV-28263: mariadb-tzinfo-to-sql improve wsrep and binlog cases
 #
@@ -67,6 +70,8 @@ execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
+SET @old_alter_alg=@@SESSION.alter_algorithm;
+SET session alter_algorithm='COPY';
 TRUNCATE TABLE time_zone;
 TRUNCATE TABLE time_zone_name;
 TRUNCATE TABLE time_zone_transition;
@@ -98,6 +103,7 @@ execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone E
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_name ENGINE=', @time_zone_name_engine), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition ENGINE=', @time_zone_transition_engine, ', ORDER BY Time_zone_id, Transition_time'), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition_type ENGINE=', @time_zone_transition_type_engine, ', ORDER BY Time_zone_id, Transition_type_id'), 'do 0');
+SET session alter_algorithm=@old_alter_alg;
 SELECT COUNT(*) FROM time_zone;
 COUNT(*)
 2
@@ -123,6 +129,8 @@ execute immediate if(@wsrep_is_on, 'SET @save_wsrep_on=@@WSREP_ON, WSREP_ON=OFF'
 SET @save_sql_log_bin=@@SQL_LOG_BIN;
 SET SESSION SQL_LOG_BIN=0;
 SET @wsrep_cannot_replicate_tz=0;
+SET @old_alter_alg=@@SESSION.alter_algorithm;
+SET session alter_algorithm='COPY';
 TRUNCATE TABLE time_zone;
 TRUNCATE TABLE time_zone_name;
 TRUNCATE TABLE time_zone_transition;
@@ -152,6 +160,7 @@ execute immediate if(@wsrep_cannot_replicate_tz, 'do 0','ALTER TABLE time_zone_t
 execute immediate if(@wsrep_cannot_replicate_tz, 'do 0','ALTER TABLE time_zone_transition_type ORDER BY Time_zone_id, Transition_type_id');
 SET SESSION SQL_LOG_BIN=@save_sql_log_bin;
 execute immediate if(@wsrep_is_on, 'SET SESSION WSREP_ON=@save_wsrep_on', 'do 0');
+SET session alter_algorithm=@old_alter_alg;
 SELECT COUNT(*) FROM time_zone;
 COUNT(*)
 2
@@ -505,6 +514,8 @@ execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition ENGINE=InnoDB', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'select ENGINE into @time_zone_transition_type_engine from information_schema.TABLES where TABLE_SCHEMA=DATABASE() and TABLE_NAME=''time_zone_transition_type''', 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, 'ALTER TABLE time_zone_transition_type ENGINE=InnoDB', 'do 0');
+SET @old_alter_alg=@@SESSION.alter_algorithm;
+SET session alter_algorithm='COPY';
 TRUNCATE TABLE time_zone;
 TRUNCATE TABLE time_zone_name;
 TRUNCATE TABLE time_zone_transition;
@@ -522,6 +533,7 @@ execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone E
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_name ENGINE=', @time_zone_name_engine), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition ENGINE=', @time_zone_transition_engine, ', ORDER BY Time_zone_id, Transition_time'), 'do 0');
 execute immediate if(@wsrep_cannot_replicate_tz, concat('ALTER TABLE time_zone_transition_type ENGINE=', @time_zone_transition_type_engine, ', ORDER BY Time_zone_id, Transition_type_id'), 'do 0');
+SET session alter_algorithm=@old_alter_alg;
 DROP TABLE baseline;
 DROP TABLE time_zone;
 DROP TABLE time_zone_name;
diff --git a/mysql-test/mariadb-test-run.pl b/mysql-test/mariadb-test-run.pl
index 6bc3703abc8..fb21d48b2f6 100755
--- a/mysql-test/mariadb-test-run.pl
+++ b/mysql-test/mariadb-test-run.pl
@@ -4557,6 +4557,9 @@ sub extract_warning_lines ($$) {
      qr/sql_type\.cc.* runtime error: member call.*object.* 'Type_collection'/,
     );
 
+  push @antipatterns, qr/though there are still open handles to table/
+    if $mysql_version_id < 100600;
+
   my $matched_lines= [];
   LINE: foreach my $line ( @lines )
   {
@@ -5711,6 +5714,8 @@ sub start_mysqltest ($) {
     mtr_add_arg($args, "--result-file=%s", $tinfo->{'result_file'});
   }
 
+  mtr_add_arg($args, "--wait-for-pos-timeout=%d", $opt_debug_sync_timeout);
+
   client_debug_arg($args, "mysqltest");
 
   if ( $opt_record )
diff --git a/mysql-test/suite/compat/oracle/r/gis.result b/mysql-test/suite/compat/oracle/r/gis.result
index 113cb0ea402..8145b97d695 100644
--- a/mysql-test/suite/compat/oracle/r/gis.result
+++ b/mysql-test/suite/compat/oracle/r/gis.result
@@ -33,37 +33,37 @@ ERROR 42000: Incorrect parameter count in the call to native function 'WITHIN(PO
 # MDEV-20009 Add CAST(expr AS pluggable_type)
 #
 SELECT CAST(1 AS GEOMETRY);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometry)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometry)'
 SELECT CAST(1 AS GEOMETRYCOLLECTION);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometrycollection)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometrycollection)'
 SELECT CAST(1 AS POINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS point)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS point)'
 SELECT CAST(1 AS LINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS linestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS linestring)'
 SELECT CAST(1 AS POLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS polygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS polygon)'
 SELECT CAST(1 AS MULTIPOINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipoint)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipoint)'
 SELECT CAST(1 AS MULTILINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multilinestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multilinestring)'
 SELECT CAST(1 AS MULTIPOLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipolygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipolygon)'
 SELECT CONVERT(1, GEOMETRY);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometry)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometry)'
 SELECT CONVERT(1, GEOMETRYCOLLECTION);
-ERROR HY000: Operator does not exists: 'CAST(expr AS geometrycollection)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS geometrycollection)'
 SELECT CONVERT(1, POINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS point)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS point)'
 SELECT CONVERT(1, LINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS linestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS linestring)'
 SELECT CONVERT(1, POLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS polygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS polygon)'
 SELECT CONVERT(1, MULTIPOINT);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipoint)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipoint)'
 SELECT CONVERT(1, MULTILINESTRING);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multilinestring)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multilinestring)'
 SELECT CONVERT(1, MULTIPOLYGON);
-ERROR HY000: Operator does not exists: 'CAST(expr AS multipolygon)'
+ERROR HY000: Operator does not exist: 'CAST(expr AS multipolygon)'
 #
 # End of 10.5 tests
 #
diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def
index 7ee942be161..0e0b7893b29 100644
--- a/mysql-test/suite/galera/disabled.def
+++ b/mysql-test/suite/galera/disabled.def
@@ -21,7 +21,6 @@ galera_concurrent_ctas : MDEV-32779 galera_concurrent_ctas: assertion in the gal
 galera_as_slave_replay : MDEV-32780 galera_as_slave_replay: assertion in the wsrep::transaction::before_rollback()
 galera_slave_replay : MDEV-32780 galera_as_slave_replay: assertion in the wsrep::transaction::before_rollback()
 galera_sst_mysqldump_with_key : MDEV-32782 galera_sst_mysqldump_with_key test failed
-mdev-31285 : MDEV-25089 Assertion `error.len > 0' failed in galera::ReplicatorSMM::handle_apply_error()
 galera_var_ignore_apply_errors : MENT-1997 galera_var_ignore_apply_errors test freezes
 MW-402 : temporarily disabled at the request of Codership
 galera_desync_overlapped : MDEV-21538 galera_desync_overlapped MTR failed: Result content mismatch
diff --git a/mysql-test/suite/galera/r/MDEV-33828.result b/mysql-test/suite/galera/r/MDEV-33828.result
new file mode 100644
index 00000000000..a3ce68166ab
--- /dev/null
+++ b/mysql-test/suite/galera/r/MDEV-33828.result
@@ -0,0 +1,41 @@
+connection node_2;
+connection node_1;
+SET AUTOCOMMIT=ON;
+SELECT @@autocommit;
+@@autocommit
+1
+SET LOCAL enforce_storage_engine=InnoDB;
+CREATE TABLE t1(id int not null primary key auto_increment, name varchar(64)) ENGINE=InnoDB;
+INSERT INTO t1(name) VALUES ('name1'),('name3'),('name6'),('name2');
+CREATE PROCEDURE sel_proc()
+BEGIN
+DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
+SELECT * FROM t1;
+END|
+CREATE PROCEDURE ins_proc()
+BEGIN
+DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
+INSERT INTO t1 VALUES ('name_proc');
+END|
+SET AUTOCOMMIT=OFF;
+SELECT @@autocommit;
+@@autocommit
+0
+START TRANSACTION;
+insert into t1(name) values('name10');
+select param_list, returns, db, type from mysql.proc where name='sel_proc';
+param_list	returns	db	type
+		test	PROCEDURE
+call ins_proc();
+COMMIT;
+SET AUTOCOMMIT=ON;
+SELECT * FROM t1;
+id	name
+1	name1
+3	name3
+5	name6
+7	name2
+9	name10
+DROP TABLE t1;
+DROP PROCEDURE sel_proc;
+DROP PROCEDURE ins_proc;
diff --git a/mysql-test/suite/galera/r/galera_table_with_hyphen.result b/mysql-test/suite/galera/r/galera_table_with_hyphen.result
new file mode 100644
index 00000000000..c9993004b53
--- /dev/null
+++ b/mysql-test/suite/galera/r/galera_table_with_hyphen.result
@@ -0,0 +1,52 @@
+connection node_2;
+connection node_1;
+connection node_1;
+set wsrep_sync_wait=0;
+connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
+SET SESSION wsrep_sync_wait = 0;
+connection node_1;
+SET GLOBAL wsrep_slave_threads=2;
+CREATE TABLE `par-ent` ( id INT AUTO_INCREMENT  PRIMARY KEY,  j INT) ENGINE=InnoDB;
+CREATE TABLE `child` (id INT AUTO_INCREMENT PRIMARY KEY,  parent_id INT, j INT,  FOREIGN KEY (parent_id) REFERENCES `par-ent`(id)) ENGINE=InnoDB;
+INSERT INTO `par-ent` VALUES (23,0);
+connection node_2;
+connection node_1a;
+SET GLOBAL DEBUG_DBUG='+d,wsrep_ha_write_row';
+connection node_2;
+INSERT INTO `child` VALUES (21,23,0),(22,23,0),(23,23,0);
+connection node_1a;
+SET DEBUG_SYNC='now WAIT_FOR  wsrep_ha_write_row_reached';
+connection node_2;
+UPDATE `par-ent` SET j=2 WHERE id=23;
+connection node_1a;
+SET GLOBAL DEBUG_DBUG='-d,wsrep_ha_write_row';
+SET DEBUG_SYNC='now SIGNAL wsrep_ha_write_row_continue';
+SET GLOBAL DEBUG_DBUG="RESET";
+SET DEBUG_SYNC = 'RESET';
+SET GLOBAL wsrep_slave_threads=DEFAULT;
+connection node_2;
+drop table `child`;
+drop table `par-ent`;
+connection node_1;
+SET GLOBAL wsrep_slave_threads=2;
+CREATE TABLE `p-arent-` ( id INT AUTO_INCREMENT  PRIMARY KEY,  j INT) ENGINE=InnoDB;
+CREATE TABLE `c-hild` (id INT AUTO_INCREMENT PRIMARY KEY,  parent_id INT, j INT,  FOREIGN KEY (parent_id) REFERENCES `p-arent-`(id)) ENGINE=InnoDB;
+INSERT INTO `p-arent-` VALUES (23,0);
+connection node_2;
+connection node_1a;
+SET GLOBAL DEBUG_DBUG='+d,wsrep_ha_write_row';
+connection node_2;
+INSERT INTO `c-hild` VALUES (21,23,0),(22,23,0),(23,23,0);
+connection node_1a;
+SET DEBUG_SYNC='now WAIT_FOR  wsrep_ha_write_row_reached';
+connection node_2;
+UPDATE `p-arent-` SET j=2 WHERE id=23;
+connection node_1a;
+SET GLOBAL DEBUG_DBUG='-d,wsrep_ha_write_row';
+SET DEBUG_SYNC='now SIGNAL wsrep_ha_write_row_continue';
+SET GLOBAL DEBUG_DBUG="RESET";
+SET DEBUG_SYNC = 'RESET';
+SET GLOBAL wsrep_slave_threads=DEFAULT;
+connection node_2;
+drop table `c-hild`;
+drop table `p-arent-`;
diff --git a/mysql-test/suite/galera/r/mdev-22063.result b/mysql-test/suite/galera/r/mdev-22063.result
index c594bc47b95..155d1ebbe4f 100644
--- a/mysql-test/suite/galera/r/mdev-22063.result
+++ b/mysql-test/suite/galera/r/mdev-22063.result
@@ -78,7 +78,6 @@ INSERT INTO t3(id) SELECT seq FROM seq_1_to_1000;
 REPLACE INTO t4 SELECT * FROM t1;
 REPLACE INTO t5 SELECT * FROM t2;
 REPLACE INTO t6 SELECT * FROM t3;
-ERROR HY000: Transactional commit not supported by involved engine(s)
 REPLACE INTO t7 SELECT * FROM t2;
 REPLACE INTO t8 SELECT * FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t1;
@@ -96,9 +95,9 @@ EXPECT_1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
 EXPECT_1000
 1000
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
-EXPECT_0
-0
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
+EXPECT_1000
+1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 EXPECT_1000
 1000
@@ -121,9 +120,9 @@ EXPECT_1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
 EXPECT_1000
 1000
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
-EXPECT_0
-0
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
+EXPECT_1000
+1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 EXPECT_1000
 1000
@@ -147,7 +146,6 @@ INSERT INTO t3(id) SELECT seq FROM seq_1_to_1000;
 INSERT INTO t4 SELECT * FROM t1;
 INSERT INTO t5 SELECT * FROM t2;
 INSERT INTO t6 SELECT * FROM t3;
-ERROR HY000: Transactional commit not supported by involved engine(s)
 INSERT INTO t7 SELECT * FROM t2;
 INSERT INTO t8 SELECT * FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t1;
@@ -165,9 +163,9 @@ EXPECT_1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
 EXPECT_1000
 1000
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
-EXPECT_0
-0
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
+EXPECT_1000
+1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 EXPECT_1000
 1000
@@ -190,9 +188,9 @@ EXPECT_1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
 EXPECT_1000
 1000
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
-EXPECT_0
-0
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
+EXPECT_1000
+1000
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 EXPECT_1000
 1000
diff --git a/mysql-test/suite/galera/suite.pm b/mysql-test/suite/galera/suite.pm
index f6caecdc36a..d09cb89df5c 100644
--- a/mysql-test/suite/galera/suite.pm
+++ b/mysql-test/suite/galera/suite.pm
@@ -63,6 +63,7 @@ push @::global_suppressions,
      qr(WSREP: Failed to remove page file .*),
      qr(WSREP: wsrep_sst_method is set to 'mysqldump' yet mysqld bind_address is set to .*),
      qr|WSREP: Sending JOIN failed: -107 \(Transport endpoint is not connected\). Will retry in new primary component.|,
+     qr|WSREP: Send action {.* STATE_REQUEST} returned -107 \(Transport endpoint is not connected\)|,
      qr|WSREP: Trying to continue unpaused monitor|,
      qr|WSREP: Wait for gtid returned error 3 while waiting for prior transactions to commit before setting position|,
      qr|WSREP: Failed to report last committed|,
diff --git a/mysql-test/suite/galera/t/MDEV-33828.cnf b/mysql-test/suite/galera/t/MDEV-33828.cnf
new file mode 100644
index 00000000000..4c62448fe3d
--- /dev/null
+++ b/mysql-test/suite/galera/t/MDEV-33828.cnf
@@ -0,0 +1,4 @@
+!include ../galera_2nodes.cnf
+
+[mysqld]
+log-bin
diff --git a/mysql-test/suite/galera/t/MDEV-33828.test b/mysql-test/suite/galera/t/MDEV-33828.test
new file mode 100644
index 00000000000..8e30481beee
--- /dev/null
+++ b/mysql-test/suite/galera/t/MDEV-33828.test
@@ -0,0 +1,45 @@
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+--source include/have_aria.inc
+
+SET AUTOCOMMIT=ON;
+SELECT @@autocommit;
+
+SET LOCAL enforce_storage_engine=InnoDB;
+
+CREATE TABLE t1(id int not null primary key auto_increment, name varchar(64)) ENGINE=InnoDB;
+INSERT INTO t1(name) VALUES ('name1'),('name3'),('name6'),('name2');
+
+DELIMITER |;
+CREATE PROCEDURE sel_proc()
+BEGIN
+  DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
+  SELECT * FROM t1;
+END|
+
+CREATE PROCEDURE ins_proc()
+BEGIN
+  DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
+  INSERT INTO t1 VALUES ('name_proc');
+END|
+DELIMITER ;|
+
+SET AUTOCOMMIT=OFF;
+SELECT @@autocommit;
+
+START TRANSACTION;
+
+insert into t1(name) values('name10');
+
+select param_list, returns, db, type from mysql.proc where name='sel_proc';
+
+call ins_proc();
+
+COMMIT;
+
+SET AUTOCOMMIT=ON;
+
+SELECT * FROM t1;
+DROP TABLE t1;
+DROP PROCEDURE sel_proc;
+DROP PROCEDURE ins_proc;
diff --git a/mysql-test/suite/galera/t/galera_table_with_hyphen.inc b/mysql-test/suite/galera/t/galera_table_with_hyphen.inc
new file mode 100644
index 00000000000..ac79d864e82
--- /dev/null
+++ b/mysql-test/suite/galera/t/galera_table_with_hyphen.inc
@@ -0,0 +1,48 @@
+#
+# parameters:
+# $fk_child  - child table name
+# $fk_parent - parent table name
+#
+--connection node_1
+SET GLOBAL wsrep_slave_threads=2;
+
+--eval CREATE TABLE `$fk_parent` ( id INT AUTO_INCREMENT  PRIMARY KEY,  j INT) ENGINE=InnoDB
+
+--eval CREATE TABLE `$fk_child` (id INT AUTO_INCREMENT PRIMARY KEY,  parent_id INT, j INT,  FOREIGN KEY (parent_id) REFERENCES `$fk_parent`(id)) ENGINE=InnoDB
+
+--eval INSERT INTO `$fk_parent` VALUES (23,0)
+
+--connection node_2
+--let $wait_condition = SELECT COUNT(*) = 1 FROM `$fk_parent`;
+--source include/wait_condition.inc
+
+--connection node_1a
+SET GLOBAL DEBUG_DBUG='+d,wsrep_ha_write_row';
+
+--connection node_2
+--eval INSERT INTO `$fk_child` VALUES (21,23,0),(22,23,0),(23,23,0)
+
+--connection node_1a
+SET DEBUG_SYNC='now WAIT_FOR  wsrep_ha_write_row_reached';
+
+--let $wsrep_received_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_received'`
+
+--connection node_2
+--eval UPDATE `$fk_parent` SET j=2 WHERE id=23
+
+--connection node_1a
+--let $wait_condition = SELECT VARIABLE_VALUE = $wsrep_received_before + 1 FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_received'
+--source include/wait_condition.inc
+
+SET GLOBAL DEBUG_DBUG='-d,wsrep_ha_write_row';
+SET DEBUG_SYNC='now SIGNAL wsrep_ha_write_row_continue';
+
+SET GLOBAL DEBUG_DBUG="RESET";
+SET DEBUG_SYNC = 'RESET';
+
+SET GLOBAL wsrep_slave_threads=DEFAULT;
+
+--connection node_2
+--eval drop table `$fk_child`
+--eval drop table `$fk_parent`
+
diff --git a/mysql-test/suite/galera/t/galera_table_with_hyphen.test b/mysql-test/suite/galera/t/galera_table_with_hyphen.test
new file mode 100644
index 00000000000..1b28bdeb3ca
--- /dev/null
+++ b/mysql-test/suite/galera/t/galera_table_with_hyphen.test
@@ -0,0 +1,34 @@
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/have_debug_sync.inc
+
+#
+# Testing how tables and databases with special characters
+# are treated in certification
+#
+# The test creates two tables having foreign key constraint
+# reference and executes two transactions which modify
+# same rows. The same test is executed with different names
+# containin special characters to see if the certification
+# can detect the conflicts
+#
+# Actual test is in include file galera_table_with_hyphen.inc
+# It create the test tables from  parameters $fk_child and
+# $fk_parent
+# 
+--connection node_1
+set wsrep_sync_wait=0;
+
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+SET SESSION wsrep_sync_wait = 0;
+
+--let $fk_child  = child
+--let $fk_parent = par-ent
+
+--source galera_table_with_hyphen.inc
+
+--let $fk_child  = c-hild
+--let $fk_parent = p-arent-
+
+--source galera_table_with_hyphen.inc
diff --git a/mysql-test/suite/galera/t/mdev-22063.test b/mysql-test/suite/galera/t/mdev-22063.test
index 6a8f1ffa6ce..d0f3e3bc4b4 100644
--- a/mysql-test/suite/galera/t/mdev-22063.test
+++ b/mysql-test/suite/galera/t/mdev-22063.test
@@ -79,8 +79,6 @@ INSERT INTO t3(id) SELECT seq FROM seq_1_to_1000;
 
 REPLACE INTO t4 SELECT * FROM t1;
 REPLACE INTO t5 SELECT * FROM t2;
-# For some reason Aria storage engine does register_ha
---error ER_ERROR_DURING_COMMIT
 REPLACE INTO t6 SELECT * FROM t3;
 REPLACE INTO t7 SELECT * FROM t2;
 REPLACE INTO t8 SELECT * FROM t3;
@@ -90,7 +88,7 @@ SELECT COUNT(*) AS EXPECT_1000 FROM t2;
 SELECT COUNT(*) AS EXPECT_1000 FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t4;
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 SELECT COUNT(*) AS EXPECT_1000 FROM t8;
 
@@ -105,7 +103,7 @@ SELECT COUNT(*) AS EXPECT_1000 FROM t2;
 SELECT COUNT(*) AS EXPECT_1000 FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t4;
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 SELECT COUNT(*) AS EXPECT_1000 FROM t8;
 
@@ -129,8 +127,6 @@ INSERT INTO t3(id) SELECT seq FROM seq_1_to_1000;
 
 INSERT INTO t4 SELECT * FROM t1;
 INSERT INTO t5 SELECT * FROM t2;
-# For some reason Aria storage engine does register_ha
---error ER_ERROR_DURING_COMMIT
 INSERT INTO t6 SELECT * FROM t3;
 INSERT INTO t7 SELECT * FROM t2;
 INSERT INTO t8 SELECT * FROM t3;
@@ -140,7 +136,7 @@ SELECT COUNT(*) AS EXPECT_1000 FROM t2;
 SELECT COUNT(*) AS EXPECT_1000 FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t4;
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 SELECT COUNT(*) AS EXPECT_1000 FROM t8;
 
@@ -155,7 +151,7 @@ SELECT COUNT(*) AS EXPECT_1000 FROM t2;
 SELECT COUNT(*) AS EXPECT_1000 FROM t3;
 SELECT COUNT(*) AS EXPECT_1000 FROM t4;
 SELECT COUNT(*) AS EXPECT_1000 FROM t5;
-SELECT COUNT(*) AS EXPECT_0 FROM t6;
+SELECT COUNT(*) AS EXPECT_1000 FROM t6;
 SELECT COUNT(*) AS EXPECT_1000 FROM t7;
 SELECT COUNT(*) AS EXPECT_1000 FROM t8;
 
diff --git a/mysql-test/suite/galera/t/mdev-30013.test b/mysql-test/suite/galera/t/mdev-30013.test
index 038b66600ce..3795dd32306 100644
--- a/mysql-test/suite/galera/t/mdev-30013.test
+++ b/mysql-test/suite/galera/t/mdev-30013.test
@@ -1,4 +1,5 @@
 --source include/galera_cluster.inc
+--source include/force_restart.inc # ARCHIVE plugin must be uninstalled
 
 if (!$HA_ARCHIVE_SO) {
   skip Needs Archive loadable plugin;
diff --git a/mysql-test/suite/galera_3nodes/disabled.def b/mysql-test/suite/galera_3nodes/disabled.def
index 728500f45fc..ffed5432097 100644
--- a/mysql-test/suite/galera_3nodes/disabled.def
+++ b/mysql-test/suite/galera_3nodes/disabled.def
@@ -19,3 +19,5 @@ galera_ipv6_mariabackup_section : temporarily disabled at the request of Codersh
 # Opensuse/suse/rocky9/rocky84/rhel9/rhel8-ppc64le .. - all same IPv6 isn't configured right or skipping or galera
 galera_ipv6_rsync : Can't connect to server on '::1' (115)
 galera_ipv6_rsync_section : Can't connect to server on '::1' (115)
+MDEV-29171 : MDEV-33842 galera_3nodes.MDEV-29171 fails on shutdown_server
+GCF-354 : MDEV-25614 Galera test failure on GCF-354
diff --git a/mysql-test/suite/innodb/r/monitor.result b/mysql-test/suite/innodb/r/monitor.result
index 3d500609524..8240c0f4321 100644
--- a/mysql-test/suite/innodb/r/monitor.result
+++ b/mysql-test/suite/innodb/r/monitor.result
@@ -577,7 +577,7 @@ set global innodb_monitor_reset_all = default;
 # MONITORS
 #
 CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=0;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*1*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	0
@@ -585,13 +585,13 @@ SET GLOBAL innodb_monitor_enable='module_buffer_page';
 INSERT INTO t1 VALUES (1), (2), (3), (4);
 FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*2*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	1
 SET GLOBAL innodb_monitor_disable='module_buffer_page';
 SET GLOBAL innodb_monitor_reset_all='module_buffer_page';
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*3*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	0
@@ -601,13 +601,13 @@ ERROR 42000: Variable 'innodb_compression_algorithm' can't be set to the value o
 INSERT INTO t1 VALUES (5), (6), (7), (8);
 FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*4*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	1
 SET GLOBAL innodb_monitor_disable='%';
 SET GLOBAL innodb_monitor_reset_all='%';
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*5*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	0
@@ -615,7 +615,7 @@ SET GLOBAL innodb_monitor_enable='ALL';
 INSERT INTO t1 VALUES (9), (10), (11), (12);
 FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*6*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 NAME	COUNT > 0
 buffer_page_written_index_leaf	1
diff --git a/mysql-test/suite/innodb/t/innodb_defrag_stats.test b/mysql-test/suite/innodb/t/innodb_defrag_stats.test
index ef79d8d6ade..3730eb657af 100644
--- a/mysql-test/suite/innodb/t/innodb_defrag_stats.test
+++ b/mysql-test/suite/innodb/t/innodb_defrag_stats.test
@@ -35,7 +35,7 @@ SELECT @@GLOBAL.innodb_force_recovery<2 "have background defragmentation";
 # Wait for defrag_pool to be processed.
 
 let $wait_timeout=30;
-let $wait_condition = SELECT COUNT(*)>0 FROM mysql.innodb_index_stats;
+let $wait_condition = SELECT COUNT(*)>5 FROM mysql.innodb_index_stats;
 --source include/wait_condition.inc
 
 --sorted_result
diff --git a/mysql-test/suite/innodb/t/monitor.test b/mysql-test/suite/innodb/t/monitor.test
index 12ea32808f4..b07f2d32daa 100644
--- a/mysql-test/suite/innodb/t/monitor.test
+++ b/mysql-test/suite/innodb/t/monitor.test
@@ -402,18 +402,22 @@ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=0;
 
 let $innodb_monitor_enable = `SELECT @@innodb_monitor_enable`;
 
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*1*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 SET GLOBAL innodb_monitor_enable='module_buffer_page';
 INSERT INTO t1 VALUES (1), (2), (3), (4); FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+
+let $wait_condition= select count > 0 from information_schema.innodb_metrics where name like 'buffer_page_written_index_leaf';
+source include/wait_condition.inc;
+
+SELECT /*2*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 SET GLOBAL innodb_monitor_disable='module_buffer_page';
 SET GLOBAL innodb_monitor_reset_all='module_buffer_page';
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*3*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 SET GLOBAL innodb_monitor_enable='%';
@@ -421,18 +425,22 @@ SET GLOBAL innodb_monitor_enable='%';
 SET GLOBAL innodb_monitor_reset_all= '%', innodb_compression_algorithm= foo;
 INSERT INTO t1 VALUES (5), (6), (7), (8); FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+
+let $wait_condition= select count > 0 from information_schema.innodb_metrics where name like 'buffer_page_written_index_leaf';
+source include/wait_condition.inc;
+
+SELECT /*4*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 SET GLOBAL innodb_monitor_disable='%';
 SET GLOBAL innodb_monitor_reset_all='%';
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*5*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 SET GLOBAL innodb_monitor_enable='ALL';
 INSERT INTO t1 VALUES (9), (10), (11), (12); FLUSH TABLES t1 FOR EXPORT;
 UNLOCK TABLES;
-SELECT NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
+SELECT /*6*/ NAME, COUNT > 0 FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE NAME
 LIKE 'buffer_page_written_index_leaf';
 
 DROP TABLE t1;
diff --git a/mysql-test/suite/perfschema/include/memory_aggregate_load.inc b/mysql-test/suite/perfschema/include/memory_aggregate_load.inc
index 7a54d25216e..c6e58d094d6 100644
--- a/mysql-test/suite/perfschema/include/memory_aggregate_load.inc
+++ b/mysql-test/suite/perfschema/include/memory_aggregate_load.inc
@@ -274,7 +274,6 @@ execute dump_users;
 execute dump_hosts;
 
 --disconnect con1
---disconnect con5
 
 --connection default
 
@@ -283,6 +282,8 @@ let $wait_condition=
   select count(*) = 0 from performance_schema.threads
   where `TYPE`='FOREGROUND' and PROCESSLIST_USER= 'user1';
 --source include/wait_condition.inc
+
+--disconnect con5
 let $wait_condition=
   select count(*) = 1 from performance_schema.threads
   where `TYPE`='FOREGROUND' and PROCESSLIST_USER= 'user4';
diff --git a/mysql-test/suite/perfschema/include/program_execution.inc b/mysql-test/suite/perfschema/include/program_execution.inc
index 8c0bc691898..f774a4d7b50 100644
--- a/mysql-test/suite/perfschema/include/program_execution.inc
+++ b/mysql-test/suite/perfschema/include/program_execution.inc
@@ -32,7 +32,7 @@ SET GLOBAL event_scheduler=ON;
 
 CREATE TABLE table_t(a INT);
 DELIMITER |;
-CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
   INSERT INTO table_t VALUES(1);
 END|
diff --git a/mysql-test/suite/perfschema/r/max_program_zero.result b/mysql-test/suite/perfschema/r/max_program_zero.result
index 5435efb34ae..6078fb8ddc9 100644
--- a/mysql-test/suite/perfschema/r/max_program_zero.result
+++ b/mysql-test/suite/perfschema/r/max_program_zero.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate.result b/mysql-test/suite/perfschema/r/memory_aggregate.result
index 69eb033e74b..1d963dd8caa 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate.result
@@ -2507,8 +2507,8 @@ execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 localhost	6	6
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_32bit.result b/mysql-test/suite/perfschema/r/memory_aggregate_32bit.result
index 2b8ee675650..387af11f91a 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_32bit.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_32bit.result
@@ -2507,8 +2507,8 @@ execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 localhost	6	6
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_a.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_a.result
index b5c8e1cd3c7..abac503b965 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_a.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_a.result
@@ -1903,8 +1903,8 @@ execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 localhost	6	6
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_h.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_h.result
index cc0e0c03dcf..f63e6f1d002 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_h.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_h.result
@@ -1653,8 +1653,8 @@ user4	2	2
 execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u.result
index 8b24b5b565b..32785952fe7 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u.result
@@ -1343,8 +1343,8 @@ execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 localhost	6	6
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u_no_h.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u_no_h.result
index 45cbaf88372..e68f0e1baf6 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u_no_h.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_a_no_u_no_h.result
@@ -1093,8 +1093,8 @@ USER	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_h.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_h.result
index 35d528bf63c..e3b7cd0f998 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_h.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_h.result
@@ -2257,8 +2257,8 @@ user4	2	2
 execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_u.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_u.result
index 1f800ce4ba6..fd9f2c69a42 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_u.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_u.result
@@ -1947,8 +1947,8 @@ execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 localhost	6	6
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/memory_aggregate_no_u_no_h.result b/mysql-test/suite/perfschema/r/memory_aggregate_no_u_no_h.result
index b1ac5f24ec9..fdbd2d75d56 100644
--- a/mysql-test/suite/perfschema/r/memory_aggregate_no_u_no_h.result
+++ b/mysql-test/suite/perfschema/r/memory_aggregate_no_u_no_h.result
@@ -1697,8 +1697,8 @@ USER	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 execute dump_hosts;
 HOST	CURRENT_CONNECTIONS	TOTAL_CONNECTIONS
 disconnect con1;
-disconnect con5;
 connection default;
+disconnect con5;
 "================== con1/con5 disconnected =================="
 "================== Step 10 =================="
 call dump_thread();
diff --git a/mysql-test/suite/perfschema/r/misc.result b/mysql-test/suite/perfschema/r/misc.result
index df9942a170f..7468eeddb4c 100644
--- a/mysql-test/suite/perfschema/r/misc.result
+++ b/mysql-test/suite/perfschema/r/misc.result
@@ -94,7 +94,7 @@ test	t_60905	NULL	5	5	0	1
 DROP TABLE t_60905;
 show global variables like "performance_schema_max_thread_instances";
 Variable_name	Value
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 explain select * from performance_schema.threads;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	threads	ALL	NULL	NULL	NULL	NULL	256	
diff --git a/mysql-test/suite/perfschema/r/ortho_iter.result b/mysql-test/suite/perfschema/r/ortho_iter.result
index 9489c1049e5..2dacee0ac27 100644
--- a/mysql-test/suite/perfschema/r/ortho_iter.result
+++ b/mysql-test/suite/perfschema/r/ortho_iter.result
@@ -261,7 +261,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/privilege_table_io.result b/mysql-test/suite/perfschema/r/privilege_table_io.result
index 1755c89137d..2b40cdec14b 100644
--- a/mysql-test/suite/perfschema/r/privilege_table_io.result
+++ b/mysql-test/suite/perfschema/r/privilege_table_io.result
@@ -63,7 +63,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_disable_idle.result b/mysql-test/suite/perfschema/r/start_server_disable_idle.result
index bfc49fd3480..536d2f24e0d 100644
--- a/mysql-test/suite/perfschema/r/start_server_disable_idle.result
+++ b/mysql-test/suite/perfschema/r/start_server_disable_idle.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_disable_stages.result b/mysql-test/suite/perfschema/r/start_server_disable_stages.result
index e9f20398467..c2682733206 100644
--- a/mysql-test/suite/perfschema/r/start_server_disable_stages.result
+++ b/mysql-test/suite/perfschema/r/start_server_disable_stages.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_disable_statements.result b/mysql-test/suite/perfschema/r/start_server_disable_statements.result
index ffb45f4f55f..1d150f42fdd 100644
--- a/mysql-test/suite/perfschema/r/start_server_disable_statements.result
+++ b/mysql-test/suite/perfschema/r/start_server_disable_statements.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_disable_transactions.result b/mysql-test/suite/perfschema/r/start_server_disable_transactions.result
index e271d5a10e6..0494070cb5d 100644
--- a/mysql-test/suite/perfschema/r/start_server_disable_transactions.result
+++ b/mysql-test/suite/perfschema/r/start_server_disable_transactions.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_disable_waits.result b/mysql-test/suite/perfschema/r/start_server_disable_waits.result
index 833da22583e..fa53fff00b3 100644
--- a/mysql-test/suite/perfschema/r/start_server_disable_waits.result
+++ b/mysql-test/suite/perfschema/r/start_server_disable_waits.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_innodb.result b/mysql-test/suite/perfschema/r/start_server_innodb.result
index e3ff0f514a7..968309c704b 100644
--- a/mysql-test/suite/perfschema/r/start_server_innodb.result
+++ b/mysql-test/suite/perfschema/r/start_server_innodb.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_low_index.result b/mysql-test/suite/perfschema/r/start_server_low_index.result
index ffdf9d65b87..78d976b8a5e 100644
--- a/mysql-test/suite/perfschema/r/start_server_low_index.result
+++ b/mysql-test/suite/perfschema/r/start_server_low_index.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_low_table_lock.result b/mysql-test/suite/perfschema/r/start_server_low_table_lock.result
index dbb404f6129..ceb052c97d5 100644
--- a/mysql-test/suite/perfschema/r/start_server_low_table_lock.result
+++ b/mysql-test/suite/perfschema/r/start_server_low_table_lock.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	1
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_account.result b/mysql-test/suite/perfschema/r/start_server_no_account.result
index f92b0e6bec6..6582b67f10a 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_account.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_account.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_cond_class.result b/mysql-test/suite/perfschema/r/start_server_no_cond_class.result
index fefad55c209..7f698404a5c 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_cond_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_cond_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result b/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result
index 0c2f65f6ac9..d2a84d67951 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_file_class.result b/mysql-test/suite/perfschema/r/start_server_no_file_class.result
index c3f06b53425..1d4183cc670 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_file_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_file_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_file_inst.result b/mysql-test/suite/perfschema/r/start_server_no_file_inst.result
index fd39807d567..91e326c1013 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_file_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_file_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_host.result b/mysql-test/suite/perfschema/r/start_server_no_host.result
index 43111c5ec40..d27b3846551 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_host.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_host.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_index.result b/mysql-test/suite/perfschema/r/start_server_no_index.result
index 15d1184bcbe..e8705014117 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_index.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_index.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_mdl.result b/mysql-test/suite/perfschema/r/start_server_no_mdl.result
index b8de90453ce..3665a88e0ac 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_mdl.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_mdl.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_memory_class.result b/mysql-test/suite/perfschema/r/start_server_no_memory_class.result
index 60066264c90..3155cae5c78 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_memory_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_memory_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_mutex_class.result b/mysql-test/suite/perfschema/r/start_server_no_mutex_class.result
index 3353b46bbcb..6e302fa3bae 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_mutex_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_mutex_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_mutex_inst.result b/mysql-test/suite/perfschema/r/start_server_no_mutex_inst.result
index d41da361733..2ece8debdc0 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_mutex_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_mutex_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_prepared_stmts_instances.result b/mysql-test/suite/perfschema/r/start_server_no_prepared_stmts_instances.result
index 4919de6bb6c..63ef23d8b2e 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_prepared_stmts_instances.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_prepared_stmts_instances.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_rwlock_class.result b/mysql-test/suite/perfschema/r/start_server_no_rwlock_class.result
index 02a119bdc68..a62821a6dd5 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_rwlock_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_rwlock_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_rwlock_inst.result b/mysql-test/suite/perfschema/r/start_server_no_rwlock_inst.result
index ead01ce2d0e..b0bbe2d08b4 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_rwlock_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_rwlock_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_setup_actors.result b/mysql-test/suite/perfschema/r/start_server_no_setup_actors.result
index a99f1c0f9be..902fd701b30 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_setup_actors.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_setup_actors.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	0
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_setup_objects.result b/mysql-test/suite/perfschema/r/start_server_no_setup_objects.result
index 7c148889412..6a35811711f 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_setup_objects.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_setup_objects.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	0
diff --git a/mysql-test/suite/perfschema/r/start_server_no_socket_class.result b/mysql-test/suite/perfschema/r/start_server_no_socket_class.result
index dec0680c511..613bd76840a 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_socket_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_socket_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_socket_inst.result b/mysql-test/suite/perfschema/r/start_server_no_socket_inst.result
index 20adf1a9f64..d569c678420 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_socket_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_socket_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_stage_class.result b/mysql-test/suite/perfschema/r/start_server_no_stage_class.result
index 044f9475041..26bb66c8556 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_stage_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_stage_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_stages_history.result b/mysql-test/suite/perfschema/r/start_server_no_stages_history.result
index 350f2c6637d..25fbcbeb422 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_stages_history.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_stages_history.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_stages_history_long.result b/mysql-test/suite/perfschema/r/start_server_no_stages_history_long.result
index d2d7063c32f..98347eb76e5 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_stages_history_long.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_stages_history_long.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_statement_class.result b/mysql-test/suite/perfschema/r/start_server_no_statement_class.result
index ca7c49cd51a..88f9efe2f79 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_statement_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_statement_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_statements_history.result b/mysql-test/suite/perfschema/r/start_server_no_statements_history.result
index 8bcb3c56a00..924cfd705a2 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_statements_history.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_statements_history.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_statements_history_long.result b/mysql-test/suite/perfschema/r/start_server_no_statements_history_long.result
index 2a2bf5d3f7c..d60518b683e 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_statements_history_long.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_statements_history_long.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_table_hdl.result b/mysql-test/suite/perfschema/r/start_server_no_table_hdl.result
index ec6e40acc00..fa4e3697108 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_table_hdl.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_table_hdl.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	0
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_table_inst.result b/mysql-test/suite/perfschema/r/start_server_no_table_inst.result
index b3f1e4cbcf2..07f6f1ed843 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_table_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_table_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	0
 performance_schema_max_table_lock_stat	0
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_table_lock.result b/mysql-test/suite/perfschema/r/start_server_no_table_lock.result
index baf9f761358..e0649aa311c 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_table_lock.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_table_lock.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	0
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_thread_class.result b/mysql-test/suite/perfschema/r/start_server_no_thread_class.result
index cd204f3d811..3eec2ef9465 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_thread_class.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_thread_class.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	0
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_transactions_history.result b/mysql-test/suite/perfschema/r/start_server_no_transactions_history.result
index f5a12e5473d..65017955831 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_transactions_history.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_transactions_history.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_transactions_history_long.result b/mysql-test/suite/perfschema/r/start_server_no_transactions_history_long.result
index 76ae9d5fa4e..586a61ba8e0 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_transactions_history_long.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_transactions_history_long.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_user.result b/mysql-test/suite/perfschema/r/start_server_no_user.result
index 4bd472a22a9..234dbbb8f60 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_user.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_user.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_waits_history.result b/mysql-test/suite/perfschema/r/start_server_no_waits_history.result
index f59b156ce1e..b01fa65ffec 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_waits_history.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_waits_history.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_no_waits_history_long.result b/mysql-test/suite/perfschema/r/start_server_no_waits_history_long.result
index cc70572c7ef..f4a572856a4 100644
--- a/mysql-test/suite/perfschema/r/start_server_no_waits_history_long.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_waits_history_long.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_off.result b/mysql-test/suite/perfschema/r/start_server_off.result
index a53d591938c..bb7ff817d75 100644
--- a/mysql-test/suite/perfschema/r/start_server_off.result
+++ b/mysql-test/suite/perfschema/r/start_server_off.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_on.result b/mysql-test/suite/perfschema/r/start_server_on.result
index e3ff0f514a7..968309c704b 100644
--- a/mysql-test/suite/perfschema/r/start_server_on.result
+++ b/mysql-test/suite/perfschema/r/start_server_on.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/start_server_variables.result b/mysql-test/suite/perfschema/r/start_server_variables.result
index 7d1d1e05375..d7cb8fdb973 100644
--- a/mysql-test/suite/perfschema/r/start_server_variables.result
+++ b/mysql-test/suite/perfschema/r/start_server_variables.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
@@ -188,7 +188,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/statement_program_lost_inst.result b/mysql-test/suite/perfschema/r/statement_program_lost_inst.result
index 05ec7b0b2b5..97fb689fd33 100644
--- a/mysql-test/suite/perfschema/r/statement_program_lost_inst.result
+++ b/mysql-test/suite/perfschema/r/statement_program_lost_inst.result
@@ -141,7 +141,7 @@ performance_schema_max_table_handles	1000
 performance_schema_max_table_instances	500
 performance_schema_max_table_lock_stat	500
 performance_schema_max_thread_classes	50
-performance_schema_max_thread_instances	200
+performance_schema_max_thread_instances	400
 performance_schema_session_connect_attrs_size	2048
 performance_schema_setup_actors_size	100
 performance_schema_setup_objects_size	100
diff --git a/mysql-test/suite/perfschema/r/statement_program_nesting_event_check.result b/mysql-test/suite/perfschema/r/statement_program_nesting_event_check.result
index 5e376a12a18..1a973c9448b 100644
--- a/mysql-test/suite/perfschema/r/statement_program_nesting_event_check.result
+++ b/mysql-test/suite/perfschema/r/statement_program_nesting_event_check.result
@@ -145,7 +145,7 @@ Bollywood
 # Event
 SET GLOBAL event_scheduler=ON;
 CREATE TABLE table_t(a INT);
-CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
 INSERT INTO table_t VALUES(1);
 END|
@@ -165,7 +165,7 @@ statement/sql/call_procedure	CALL SampleProc1(30,40,50)	NULL	NULL	0
 statement/sql/call_procedure	CALL SampleProc2("Jwalamukhi",34)	NULL	NULL	0
 statement/sql/call_procedure	CALL SampleProc3()	NULL	NULL	0
 statement/sql/call_procedure	CALL SampleProc4()	NULL	NULL	0
-statement/sql/create_event	CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+statement/sql/create_event	CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
 INSERT INTO table_t VALUES(1);
 END	NULL	NULL	0
diff --git a/mysql-test/suite/perfschema/r/statement_program_non_nested.result b/mysql-test/suite/perfschema/r/statement_program_non_nested.result
index af9807cbc97..1c75dac11ac 100644
--- a/mysql-test/suite/perfschema/r/statement_program_non_nested.result
+++ b/mysql-test/suite/perfschema/r/statement_program_non_nested.result
@@ -145,7 +145,7 @@ Bollywood
 # Event
 SET GLOBAL event_scheduler=ON;
 CREATE TABLE table_t(a INT);
-CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
 INSERT INTO table_t VALUES(1);
 END|
@@ -182,7 +182,7 @@ statement/sql/call_procedure	CALL SampleProc1(30,40,50)	stored_programs	NULL	NUL
 statement/sql/call_procedure	CALL SampleProc2("Jwalamukhi",34)	stored_programs	NULL	NULL	NULL	NULL	0
 statement/sql/call_procedure	CALL SampleProc3()	stored_programs	NULL	NULL	NULL	NULL	0
 statement/sql/call_procedure	CALL SampleProc4()	stored_programs	NULL	NULL	NULL	NULL	0
-statement/sql/create_event	CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+statement/sql/create_event	CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
 INSERT INTO table_t VALUES(1);
 END	stored_programs	NULL	NULL	NULL	NULL	0
@@ -553,7 +553,7 @@ Bollywood
 # Event
 SET GLOBAL event_scheduler=ON;
 CREATE TABLE table_t(a INT);
-CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND DO
+CREATE EVENT e1 ON SCHEDULE EVERY 2 SECOND ON COMPLETION NOT PRESERVE DO
 BEGIN
 INSERT INTO table_t VALUES(1);
 END|
diff --git a/mysql-test/suite/perfschema/r/threads_history.result b/mysql-test/suite/perfschema/r/threads_history.result
index 364a5f6f9e3..d72ace62255 100644
--- a/mysql-test/suite/perfschema/r/threads_history.result
+++ b/mysql-test/suite/perfschema/r/threads_history.result
@@ -24,27 +24,22 @@ events_waits_history_long	YES
 global_instrumentation	YES
 thread_instrumentation	YES
 statements_digest	YES
-# Switch to (con1, localhost, user1, , )
 connect  con1, localhost, user1, , ;
 update performance_schema.threads
 set INSTRUMENTED='YES', HISTORY='YES'
   where PROCESSLIST_ID = connection_id();
-# Switch to (con2, localhost, user2, , )
 connect  con2, localhost, user2, , ;
 update performance_schema.threads
 set INSTRUMENTED='YES', HISTORY='NO'
   where PROCESSLIST_ID = connection_id();
-# Switch to (con3, localhost, user3, , )
 connect  con3, localhost, user3, , ;
 update performance_schema.threads
 set INSTRUMENTED='NO', HISTORY='YES'
   where PROCESSLIST_ID = connection_id();
-# Switch to (con4, localhost, user4, , )
 connect  con4, localhost, user4, , ;
 update performance_schema.threads
 set INSTRUMENTED='NO', HISTORY='NO'
   where PROCESSLIST_ID = connection_id();
-# Switch to connection default
 connection default;
 truncate table performance_schema.events_transactions_current;
 truncate table performance_schema.events_transactions_history;
@@ -58,7 +53,6 @@ truncate table performance_schema.events_stages_history_long;
 truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
-# Switch to connection con1
 connection con1;
 XA START 'XA_CON1', 'XA_BQUAL', 12;
 select "Hi from con1";
@@ -67,7 +61,6 @@ Hi from con1
 XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
-# Switch to connection con2
 connection con2;
 XA START 'XA_CON2', 'XA_BQUAL', 12;
 select "Hi from con2";
@@ -76,7 +69,6 @@ Hi from con2
 XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
-# Switch to connection con3
 connection con3;
 XA START 'XA_CON3', 'XA_BQUAL', 12;
 select "Hi from con3";
@@ -85,7 +77,6 @@ Hi from con3
 XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
-# Switch to connection con4
 connection con4;
 XA START 'XA_CON4', 'XA_BQUAL', 12;
 select "Hi from con4";
@@ -95,72 +86,124 @@ XA END 'XA_CON4', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON4', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 connection default;
-"=========================== Transactions user 1"
+########################### Transactions user 1 - 1
+select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
+select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
+select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
-"=========================== Transactions user 2"
+########################### Transactions user 2 - 1
+select /*2-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con2_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON2	XA_BQUAL
+select /*2-1*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-1*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Transactions user 3"
+########################### Transactions user 3 - 1
+select /*3-1*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Transactions user 4"
+########################### Transactions user 4 - 1
+select /*4-1*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Statements user 1"
+########################### Statements user 1 - 1
+select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
+select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_start	XA START 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/select	select "Hi from con1"
 statement/sql/xa_end	XA END 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_prepare	XA PREPARE 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
+select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_start	XA START 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/select	select "Hi from con1"
 statement/sql/xa_end	XA END 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_prepare	XA PREPARE 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
-"=========================== Statements user 2"
+########################### Statements user 2 - 1
+select /*2-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON2', 'XA_BQUAL', 12
+select /*2-1*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-1*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Statements user 3"
+########################### Statements user 3 - 1
+select /*3-1*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Statements user 4"
+########################### Statements user 4 - 1
+select /*4-1*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Stages user 1"
+########################### Stages user 1 - 1
+select /*1-1*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*1-1*/ EVENT_NAME from performance_schema.events_stages_history
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 stage/sql/Starting cleanup
 stage/sql/Freeing items
@@ -172,6 +215,8 @@ stage/sql/Query end
 stage/sql/Starting cleanup
 stage/sql/Freeing items
 stage/sql/Reset for next command
+select /*1-1*/ EVENT_NAME from performance_schema.events_stages_history_long
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 stage/sql/starting
 stage/sql/Query end
@@ -215,55 +260,96 @@ stage/sql/Query end
 stage/sql/Starting cleanup
 stage/sql/Freeing items
 stage/sql/Reset for next command
-"=========================== Stages user 2"
+########################### Stages user 2 - 1
+select /*2-1*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*2-1*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-1*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Stages user 3"
+########################### Stages user 3 - 1
+select /*3-1*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Stages user 4"
+########################### Stages user 4 - 1
+select /*4-1*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Waits user 1"
+########################### Waits user 1 - 1
+select /*1-1*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*1-1*/ (count(*) > 5) as has_waits from performance_schema.events_waits_history
+where THREAD_ID = $con1_thread_id;
 has_waits
 1
+select /*1-1*/ (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
+where THREAD_ID = $con1_thread_id;
 has_waits
 1
-"=========================== Waits user 2"
+########################### Waits user 2 - 1
+select /*2-1*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*2-1*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-1*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Waits user 3"
+########################### Waits user 3 - 1
+select /*3-1*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-1*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Waits user 4"
+########################### Waits user 4 - 1
+select /*4-1*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-1*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-# Switch to connection default, disable consumers
 connection default;
 update performance_schema.setup_consumers
 set enabled='NO' where name like "%history%";
@@ -296,7 +382,6 @@ truncate table performance_schema.events_stages_history_long;
 truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
-# Switch to connection con1
 connection con1;
 XA START 'XA_CON1', 'XA_BQUAL', 12;
 select "Hi from con1";
@@ -305,7 +390,6 @@ Hi from con1
 XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
-# Switch to connection con2
 connection con2;
 XA START 'XA_CON2', 'XA_BQUAL', 12;
 select "Hi from con2";
@@ -314,7 +398,6 @@ Hi from con2
 XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
-# Switch to connection con3
 connection con3;
 XA START 'XA_CON3', 'XA_BQUAL', 12;
 select "Hi from con3";
@@ -323,7 +406,6 @@ Hi from con3
 XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
-# Switch to connection con4
 connection con4;
 XA START 'XA_CON4', 'XA_BQUAL', 12;
 select "Hi from con4";
@@ -333,117 +415,212 @@ XA END 'XA_CON4', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON4', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 connection default;
-"=========================== Transactions user 1"
+########################### Transactions user 1 - 2
+select /*1-2*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
+select /*1-2*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
+select /*1-2*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
-"=========================== Transactions user 2"
+########################### Transactions user 2 - 2
+select /*2-2*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con2_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON2	XA_BQUAL
+select /*2-2*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-2*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Transactions user 3"
+########################### Transactions user 3 - 2
+select /*3-2*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Transactions user 4"
+########################### Transactions user 4 - 2
+select /*4-2*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Statements user 1"
+########################### Statements user 1 - 2
+select /*1-2*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
+select /*1-2*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
+select /*1-2*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
-"=========================== Statements user 2"
+########################### Statements user 2 - 2
+select /*2-2*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON2', 'XA_BQUAL', 12
+select /*2-2*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-2*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Statements user 3"
+########################### Statements user 3 - 2
+select /*3-2*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Statements user 4"
+########################### Statements user 4 - 2
+select /*4-2*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Stages user 1"
+########################### Stages user 1 - 2
+select /*1-2*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*1-2*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
+select /*1-2*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con1_thread_id;
 count(*)
 0
-"=========================== Stages user 2"
+########################### Stages user 2 - 2
+select /*2-2*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*2-2*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-2*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Stages user 3"
+########################### Stages user 3 - 2
+select /*3-2*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Stages user 4"
+########################### Stages user 4 - 2
+select /*4-2*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Waits user 1"
+########################### Waits user 1 - 2
+select /*1-2*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*1-2*/ count(*) as has_waits from performance_schema.events_waits_history
+where THREAD_ID = $con1_thread_id;
 has_waits
 0
+select /*1-2*/ count(*) as has_waits from performance_schema.events_waits_history_long
+where THREAD_ID = $con1_thread_id;
 has_waits
 0
-"=========================== Waits user 2"
+########################### Waits user 2 - 2
+select /*2-2*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*2-2*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-2*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Waits user 3"
+########################### Waits user 3 - 2
+select /*3-2*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-2*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Waits user 4"
+########################### Waits user 4 - 2
+select /*4-2*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-2*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-# Switch to connection default, enable consumers
 connection default;
 update performance_schema.setup_consumers
 set enabled='YES' where name like "%history%";
@@ -476,7 +653,6 @@ truncate table performance_schema.events_stages_history_long;
 truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
-# Switch to connection con1
 connection con1;
 XA START 'XA_CON1', 'XA_BQUAL', 12;
 select "Hi from con1";
@@ -485,7 +661,6 @@ Hi from con1
 XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
-# Switch to connection con2
 connection con2;
 XA START 'XA_CON2', 'XA_BQUAL', 12;
 select "Hi from con2";
@@ -494,7 +669,6 @@ Hi from con2
 XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
-# Switch to connection con3
 connection con3;
 XA START 'XA_CON3', 'XA_BQUAL', 12;
 select "Hi from con3";
@@ -503,7 +677,6 @@ Hi from con3
 XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
-# Switch to connection con4
 connection con4;
 XA START 'XA_CON4', 'XA_BQUAL', 12;
 select "Hi from con4";
@@ -513,72 +686,124 @@ XA END 'XA_CON4', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON4', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 connection default;
-"=========================== Transactions user 1"
+########################### Transactions user 1 - 3
+select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
+select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
+select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
+where THREAD_ID = $con1_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON1	XA_BQUAL
-"=========================== Transactions user 2"
+########################### Transactions user 2 - 3
+select /*2-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+where THREAD_ID = $con2_thread_id;
 XID_FORMAT_ID	XID_GTRID	XID_BQUAL
 12	XA_CON2	XA_BQUAL
+select /*2-3*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-3*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Transactions user 3"
+########################### Transactions user 3 - 3
+select /*3-3*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Transactions user 4"
+########################### Transactions user 4 - 3
+select /*4-3*/ count(*) from performance_schema.events_transactions_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_transactions_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_transactions_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Statements user 1"
+########################### Statements user 1 - 3
+select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
+select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_start	XA START 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/select	select "Hi from con1"
 statement/sql/xa_end	XA END 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_prepare	XA PREPARE 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
+select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_start	XA START 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/select	select "Hi from con1"
 statement/sql/xa_end	XA END 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_prepare	XA PREPARE 'XA_CON1', 'XA_BQUAL', 12
 statement/sql/xa_commit	XA COMMIT 'XA_CON1', 'XA_BQUAL', 12
-"=========================== Statements user 2"
+########################### Statements user 2 - 3
+select /*2-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME	SQL_TEXT
 statement/sql/xa_commit	XA COMMIT 'XA_CON2', 'XA_BQUAL', 12
+select /*2-3*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-3*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Statements user 3"
+########################### Statements user 3 - 3
+select /*3-3*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Statements user 4"
+########################### Statements user 4 - 3
+select /*4-3*/ count(*) from performance_schema.events_statements_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_statements_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_statements_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Stages user 1"
+########################### Stages user 1 - 3
+select /*1-3*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*1-3*/ EVENT_NAME from performance_schema.events_stages_history
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 stage/sql/Starting cleanup
 stage/sql/Freeing items
@@ -590,6 +815,8 @@ stage/sql/Query end
 stage/sql/Starting cleanup
 stage/sql/Freeing items
 stage/sql/Reset for next command
+select /*1-3*/ EVENT_NAME from performance_schema.events_stages_history_long
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 stage/sql/starting
 stage/sql/Query end
@@ -633,55 +860,96 @@ stage/sql/Query end
 stage/sql/Starting cleanup
 stage/sql/Freeing items
 stage/sql/Reset for next command
-"=========================== Stages user 2"
+########################### Stages user 2 - 3
+select /*2-3*/ EVENT_NAME from performance_schema.events_stages_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
+select /*2-3*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-3*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Stages user 3"
+########################### Stages user 3 - 3
+select /*3-3*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Stages user 4"
+########################### Stages user 4 - 3
+select /*4-3*/ count(*) from performance_schema.events_stages_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_stages_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_stages_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-"=========================== Waits user 1"
+########################### Waits user 1 - 3
+select /*1-3*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*1-3*/ (count(*) > 5) as has_waits from performance_schema.events_waits_history
+where THREAD_ID = $con1_thread_id;
 has_waits
 1
+select /*1-3*/ (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
+where THREAD_ID = $con1_thread_id;
 has_waits
 1
-"=========================== Waits user 2"
+########################### Waits user 2 - 3
+select /*2-3*/ EVENT_NAME from performance_schema.events_waits_current
+where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
 EVENT_NAME
 idle
+select /*2-3*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
+select /*2-3*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con2_thread_id;
 count(*)
 0
-"=========================== Waits user 3"
+########################### Waits user 3 - 3
+select /*3-3*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
+select /*3-3*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con3_thread_id;
 count(*)
 0
-"=========================== Waits user 4"
+########################### Waits user 4 - 3
+select /*4-3*/ count(*) from performance_schema.events_waits_current
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_waits_history
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
+select /*4-3*/ count(*) from performance_schema.events_waits_history_long
+where THREAD_ID = $con4_thread_id;
 count(*)
 0
-# Switch to connection default
 connection default;
 revoke all privileges, grant option from user1@localhost;
 revoke all privileges, grant option from user2@localhost;
diff --git a/mysql-test/suite/perfschema/t/misc.test b/mysql-test/suite/perfschema/t/misc.test
index 848be3beea1..b0a16fc5f99 100644
--- a/mysql-test/suite/perfschema/t/misc.test
+++ b/mysql-test/suite/perfschema/t/misc.test
@@ -175,6 +175,7 @@ DROP TABLE t_60905;
 #
 
 show global variables like "performance_schema_max_thread_instances";
+replace_result 512 256;
 explain select * from performance_schema.threads;
 
 #
diff --git a/mysql-test/suite/perfschema/t/threads_history.test b/mysql-test/suite/perfschema/t/threads_history.test
index f42dd6d0ab4..aee983339d2 100644
--- a/mysql-test/suite/perfschema/t/threads_history.test
+++ b/mysql-test/suite/perfschema/t/threads_history.test
@@ -23,7 +23,6 @@ flush privileges;
 
 select * from performance_schema.setup_consumers;
 
---echo # Switch to (con1, localhost, user1, , )
 connect (con1, localhost, user1, , );
 
 update performance_schema.threads
@@ -33,7 +32,6 @@ update performance_schema.threads
 let $con1_thread_id= `select THREAD_ID from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
---echo # Switch to (con2, localhost, user2, , )
 connect (con2, localhost, user2, , );
 
 update performance_schema.threads
@@ -43,7 +41,6 @@ update performance_schema.threads
 let $con2_thread_id= `select THREAD_ID from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
---echo # Switch to (con3, localhost, user3, , )
 connect (con3, localhost, user3, , );
 
 update performance_schema.threads
@@ -53,7 +50,6 @@ update performance_schema.threads
 let $con3_thread_id= `select THREAD_ID from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
---echo # Switch to (con4, localhost, user4, , )
 connect (con4, localhost, user4, , );
 
 update performance_schema.threads
@@ -63,7 +59,6 @@ update performance_schema.threads
 let $con4_thread_id= `select THREAD_ID from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
---echo # Switch to connection default
 --connection default
 
 truncate table performance_schema.events_transactions_current;
@@ -79,7 +74,6 @@ truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
 
---echo # Switch to connection con1
 --connection con1
 
 XA START 'XA_CON1', 'XA_BQUAL', 12;
@@ -88,7 +82,6 @@ XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
 
---echo # Switch to connection con2
 --connection con2
 
 XA START 'XA_CON2', 'XA_BQUAL', 12;
@@ -97,7 +90,6 @@ XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
 
---echo # Switch to connection con3
 --connection con3
 
 XA START 'XA_CON3', 'XA_BQUAL', 12;
@@ -106,7 +98,6 @@ XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
 
---echo # Switch to connection con4
 --connection con4
 
 XA START 'XA_CON4', 'XA_BQUAL', 12;
@@ -117,165 +108,150 @@ XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 
 --connection default
 
---disable_query_log
+echo ########################### Transactions user 1 - 1;
 
-echo "=========================== Transactions user 1";
-
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con1_thread_id;
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
+evalp select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
   where THREAD_ID = $con1_thread_id;
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
+evalp select /*1-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Transactions user 2";
+echo ########################### Transactions user 2 - 1;
 
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*2-1*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*2-1*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*2-1*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Transactions user 3";
+echo ########################### Transactions user 3 - 1;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*3-1*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*3-1*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*3-1*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Transactions user 4";
+echo ########################### Transactions user 4 - 1;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*4-1*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*4-1*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*4-1*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Statements user 1";
+echo ########################### Statements user 1 - 1;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 
-echo "=========================== Statements user 2";
+echo ########################### Statements user 2 - 1;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*2-1*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-1*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*2-1*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Statements user 3";
+echo ########################### Statements user 3 - 1;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*3-1*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*3-1*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*3-1*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Statements user 4";
+echo ########################### Statements user 4 - 1;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*4-1*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*4-1*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*4-1*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Stages user 1";
+echo ########################### Stages user 1 - 1;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME from performance_schema.events_stages_history
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME from performance_schema.events_stages_history_long
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME from performance_schema.events_stages_history
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ EVENT_NAME from performance_schema.events_stages_history_long
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 
-echo "=========================== Stages user 2";
+echo ########################### Stages user 2 - 1;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*2-1*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-1*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*2-1*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Stages user 3";
+echo ########################### Stages user 3 - 1;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*3-1*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*3-1*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*3-1*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Stages user 4";
+echo ########################### Stages user 4 - 1;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*4-1*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*4-1*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*4-1*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Waits user 1";
+echo ########################### Waits user 1 - 1;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select (count(*) > 5) as has_waits from performance_schema.events_waits_history
+evalp select /*1-1*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-1*/ (count(*) > 5) as has_waits from performance_schema.events_waits_history
   where THREAD_ID = $con1_thread_id;
-eval select (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
+evalp select /*1-1*/ (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Waits user 2";
+echo ########################### Waits user 2 - 1;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*2-1*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-1*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*2-1*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Waits user 3";
+echo ########################### Waits user 3 - 1;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*3-1*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*3-1*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*3-1*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Waits user 4";
+echo ########################### Waits user 4 - 1;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*4-1*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*4-1*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*4-1*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con4_thread_id;
 
---enable_query_log
-
---echo # Switch to connection default, disable consumers
 --connection default
 
 update performance_schema.setup_consumers
@@ -296,7 +272,6 @@ truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
 
---echo # Switch to connection con1
 --connection con1
 
 XA START 'XA_CON1', 'XA_BQUAL', 12;
@@ -305,7 +280,6 @@ XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
 
---echo # Switch to connection con2
 --connection con2
 
 XA START 'XA_CON2', 'XA_BQUAL', 12;
@@ -314,7 +288,6 @@ XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
 
---echo # Switch to connection con3
 --connection con3
 
 XA START 'XA_CON3', 'XA_BQUAL', 12;
@@ -323,7 +296,6 @@ XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
 
---echo # Switch to connection con4
 --connection con4
 
 XA START 'XA_CON4', 'XA_BQUAL', 12;
@@ -334,161 +306,150 @@ XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 
 --connection default
 
---disable_query_log
+echo ########################### Transactions user 1 - 2;
 
-echo "=========================== Transactions user 1";
-
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*1-2*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con1_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*1-2*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con1_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*1-2*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Transactions user 2";
+echo ########################### Transactions user 2 - 2;
 
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*2-2*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*2-2*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*2-2*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Transactions user 3";
+echo ########################### Transactions user 3 - 2;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*3-2*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*3-2*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*3-2*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Transactions user 4";
+echo ########################### Transactions user 4 - 2;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*4-2*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*4-2*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*4-2*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Statements user 1";
+echo ########################### Statements user 1 - 2;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*1-2*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-2*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con1_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*1-2*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Statements user 2";
+echo ########################### Statements user 2 - 2;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*2-2*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-2*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*2-2*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Statements user 3";
+echo ########################### Statements user 3 - 2;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*3-2*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*3-2*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*3-2*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Statements user 4";
+echo ########################### Statements user 4 - 2;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*4-2*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*4-2*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*4-2*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Stages user 1";
+echo ########################### Stages user 1 - 2;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*1-2*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-2*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con1_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*1-2*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Stages user 2";
+echo ########################### Stages user 2 - 2;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*2-2*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-2*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*2-2*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Stages user 3";
+echo ########################### Stages user 3 - 2;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*3-2*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*3-2*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*3-2*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Stages user 4";
+echo ########################### Stages user 4 - 2;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*4-2*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*4-2*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*4-2*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Waits user 1";
+echo ########################### Waits user 1 - 2;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) as has_waits from performance_schema.events_waits_history
+evalp select /*1-2*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-2*/ count(*) as has_waits from performance_schema.events_waits_history
   where THREAD_ID = $con1_thread_id;
-eval select count(*) as has_waits from performance_schema.events_waits_history_long
+evalp select /*1-2*/ count(*) as has_waits from performance_schema.events_waits_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Waits user 2";
+echo ########################### Waits user 2 - 2;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*2-2*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-2*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*2-2*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Waits user 3";
+echo ########################### Waits user 3 - 2;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*3-2*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*3-2*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*3-2*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Waits user 4";
+echo ########################### Waits user 4 - 2;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*4-2*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*4-2*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*4-2*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con4_thread_id;
 
---enable_query_log
-
---echo # Switch to connection default, enable consumers
 --connection default
 
 update performance_schema.setup_consumers
@@ -509,7 +470,6 @@ truncate table performance_schema.events_waits_current;
 truncate table performance_schema.events_waits_history;
 truncate table performance_schema.events_waits_history_long;
 
---echo # Switch to connection con1
 --connection con1
 
 XA START 'XA_CON1', 'XA_BQUAL', 12;
@@ -518,7 +478,6 @@ XA END 'XA_CON1', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON1', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON1', 'XA_BQUAL', 12;
 
---echo # Switch to connection con2
 --connection con2
 
 XA START 'XA_CON2', 'XA_BQUAL', 12;
@@ -527,7 +486,6 @@ XA END 'XA_CON2', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON2', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON2', 'XA_BQUAL', 12;
 
---echo # Switch to connection con3
 --connection con3
 
 XA START 'XA_CON3', 'XA_BQUAL', 12;
@@ -536,7 +494,6 @@ XA END 'XA_CON3', 'XA_BQUAL', 12;
 XA PREPARE 'XA_CON3', 'XA_BQUAL', 12;
 XA COMMIT 'XA_CON3', 'XA_BQUAL', 12;
 
---echo # Switch to connection con4
 --connection con4
 
 XA START 'XA_CON4', 'XA_BQUAL', 12;
@@ -547,165 +504,150 @@ XA COMMIT 'XA_CON4', 'XA_BQUAL', 12;
 
 --connection default
 
---disable_query_log
+echo ########################### Transactions user 1 - 3;
 
-echo "=========================== Transactions user 1";
-
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con1_thread_id;
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
+evalp select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history
   where THREAD_ID = $con1_thread_id;
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
+evalp select /*1-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Transactions user 2";
+echo ########################### Transactions user 2 - 3;
 
-eval select XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
+evalp select /*2-3*/ XID_FORMAT_ID, XID_GTRID, XID_BQUAL from performance_schema.events_transactions_current
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*2-3*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*2-3*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Transactions user 3";
+echo ########################### Transactions user 3 - 3;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*3-3*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*3-3*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*3-3*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Transactions user 4";
+echo ########################### Transactions user 4 - 3;
 
-eval select count(*) from performance_schema.events_transactions_current
+evalp select /*4-3*/ count(*) from performance_schema.events_transactions_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history
+evalp select /*4-3*/ count(*) from performance_schema.events_transactions_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_transactions_history_long
+evalp select /*4-3*/ count(*) from performance_schema.events_transactions_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Statements user 1";
+echo ########################### Statements user 1 - 3;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_history_long
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 
-echo "=========================== Statements user 2";
+echo ########################### Statements user 2 - 3;
 
-eval select EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*2-3*/ EVENT_NAME, SQL_TEXT from performance_schema.events_statements_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-3*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*2-3*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Statements user 3";
+echo ########################### Statements user 3 - 3;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*3-3*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*3-3*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*3-3*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Statements user 4";
+echo ########################### Statements user 4 - 3;
 
-eval select count(*) from performance_schema.events_statements_current
+evalp select /*4-3*/ count(*) from performance_schema.events_statements_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history
+evalp select /*4-3*/ count(*) from performance_schema.events_statements_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_statements_history_long
+evalp select /*4-3*/ count(*) from performance_schema.events_statements_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Stages user 1";
+echo ########################### Stages user 1 - 3;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME from performance_schema.events_stages_history
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select EVENT_NAME from performance_schema.events_stages_history_long
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME from performance_schema.events_stages_history
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ EVENT_NAME from performance_schema.events_stages_history_long
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
 
-echo "=========================== Stages user 2";
+echo ########################### Stages user 2 - 3;
 
-eval select EVENT_NAME from performance_schema.events_stages_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*2-3*/ EVENT_NAME from performance_schema.events_stages_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-3*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*2-3*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Stages user 3";
+echo ########################### Stages user 3 - 3;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*3-3*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*3-3*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*3-3*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Stages user 4";
+echo ########################### Stages user 4 - 3;
 
-eval select count(*) from performance_schema.events_stages_current
+evalp select /*4-3*/ count(*) from performance_schema.events_stages_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history
+evalp select /*4-3*/ count(*) from performance_schema.events_stages_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_stages_history_long
+evalp select /*4-3*/ count(*) from performance_schema.events_stages_history_long
   where THREAD_ID = $con4_thread_id;
 
-echo "=========================== Waits user 1";
+echo ########################### Waits user 1 - 3;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con1_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select (count(*) > 5) as has_waits from performance_schema.events_waits_history
+evalp select /*1-3*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con1_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*1-3*/ (count(*) > 5) as has_waits from performance_schema.events_waits_history
   where THREAD_ID = $con1_thread_id;
-eval select (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
+evalp select /*1-3*/ (count(*) > 15) as has_waits from performance_schema.events_waits_history_long
   where THREAD_ID = $con1_thread_id;
 
-echo "=========================== Waits user 2";
+echo ########################### Waits user 2 - 3;
 
-eval select EVENT_NAME from performance_schema.events_waits_current
-  where THREAD_ID = $con2_thread_id
-  order by THREAD_ID, EVENT_ID;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*2-3*/ EVENT_NAME from performance_schema.events_waits_current
+  where THREAD_ID = $con2_thread_id order by THREAD_ID, EVENT_ID;
+evalp select /*2-3*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con2_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*2-3*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con2_thread_id;
 
-echo "=========================== Waits user 3";
+echo ########################### Waits user 3 - 3;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*3-3*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*3-3*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con3_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*3-3*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con3_thread_id;
 
-echo "=========================== Waits user 4";
+echo ########################### Waits user 4 - 3;
 
-eval select count(*) from performance_schema.events_waits_current
+evalp select /*4-3*/ count(*) from performance_schema.events_waits_current
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history
+evalp select /*4-3*/ count(*) from performance_schema.events_waits_history
   where THREAD_ID = $con4_thread_id;
-eval select count(*) from performance_schema.events_waits_history_long
+evalp select /*4-3*/ count(*) from performance_schema.events_waits_history_long
   where THREAD_ID = $con4_thread_id;
 
---enable_query_log
-
---echo # Switch to connection default
 --connection default
 
 revoke all privileges, grant option from user1@localhost;
diff --git a/mysql-test/suite/rpl/r/rpl_parallel_seq.result b/mysql-test/suite/rpl/r/rpl_parallel_seq.result
index 8f55f52e54c..02287d54e33 100644
--- a/mysql-test/suite/rpl/r/rpl_parallel_seq.result
+++ b/mysql-test/suite/rpl/r/rpl_parallel_seq.result
@@ -127,4 +127,14 @@ CREATE SEQUENCE s4;
 DROP SEQUENCE s2,s3,s4;
 DROP TABLE ti;
 connection slave;
+connection master;
+CREATE SEQUENCE s;
+SELECT NEXTVAL(s);
+NEXTVAL(s)
+1
+flush binary logs;
+DROP SEQUENCE s;
+DROP SEQUENCE s;
+connection slave;
+connection master;
 include/rpl_end.inc
diff --git a/mysql-test/suite/rpl/r/rpl_semi_sync_master_shutdown.result b/mysql-test/suite/rpl/r/rpl_semi_sync_master_shutdown.result
index 6124ba01679..8803b4c3392 100644
--- a/mysql-test/suite/rpl/r/rpl_semi_sync_master_shutdown.result
+++ b/mysql-test/suite/rpl/r/rpl_semi_sync_master_shutdown.result
@@ -4,7 +4,7 @@ connection master;
 SET @@GLOBAL.rpl_semi_sync_master_enabled = 1;
 connection slave;
 include/stop_slave.inc
-SET @@GLOBAL. rpl_semi_sync_slave_enabled = 1;
+SET @@GLOBAL.rpl_semi_sync_slave_enabled = 1;
 include/start_slave.inc
 connection master;
 CREATE TABLE t1 (a INT);
@@ -21,7 +21,6 @@ connection slave;
 include/wait_for_slave_sql_to_start.inc
 include/wait_for_slave_io_to_start.inc
 connection master;
-SET @@GLOBAL.debug_dbug="";
 SET @@GLOBAL. rpl_semi_sync_master_enabled = 0;
 connection master;
 DROP TABLE t1;
diff --git a/mysql-test/suite/rpl/r/rpl_shutdown_sighup.result b/mysql-test/suite/rpl/r/rpl_shutdown_sighup.result
new file mode 100644
index 00000000000..01b35f1dc58
--- /dev/null
+++ b/mysql-test/suite/rpl/r/rpl_shutdown_sighup.result
@@ -0,0 +1,50 @@
+include/master-slave.inc
+[connection master]
+connection slave;
+set statement sql_log_bin=0 for call mtr.add_suppression("Signal handler thread did not exit in a timely manner");
+#
+# Main test
+connection master;
+create table t1 (a int);
+insert into t1 values (1);
+include/save_master_gtid.inc
+connection slave;
+include/sync_with_master_gtid.inc
+set @@global.debug_dbug= "+d,hold_sighup_log_refresh";
+# Waiting for sighup to reach reload_acl_and_cache..
+set debug_sync="now wait_for in_reload_acl_and_cache";
+# Signalling signal handler to proceed to sleep before REFRESH_HOSTS
+set debug_sync="now signal refresh_logs";
+# Starting shutdown (note this will take 3+ seconds due to DBUG my_sleep in reload_acl_and_cache)
+shutdown;
+connection server_2;
+connection slave;
+include/assert_grep.inc [Ensure Mariadbd did not segfault when shutting down]
+connection master;
+connection slave;
+#
+# Error testcase to ensure an error message is shown if the signal
+# takes longer than the timeout while processing the SIGHUP
+connection slave;
+set @@global.debug_dbug= "+d,force_sighup_processing_timeout";
+set @@global.debug_dbug= "+d,hold_sighup_log_refresh";
+connection master;
+insert into t1 values (1);
+include/save_master_gtid.inc
+connection slave;
+include/sync_with_master_gtid.inc
+# Waiting for sighup to reach reload_acl_and_cache..
+set debug_sync="now wait_for in_reload_acl_and_cache";
+# Signalling signal handler to proceed to sleep before REFRESH_HOSTS
+set debug_sync="now signal refresh_logs";
+# Starting shutdown (note this will take 3+ seconds due to DBUG my_sleep in reload_acl_and_cache)
+shutdown;
+connection server_2;
+connection slave;
+include/assert_grep.inc [Ensure warning is issued that signal handler thread is still processing]
+#
+# Cleanup
+connection master;
+drop table t1;
+include/rpl_end.inc
+# End of rpl_shutdown_sighup.test
diff --git a/mysql-test/suite/rpl/t/rpl_parallel_seq.test b/mysql-test/suite/rpl/t/rpl_parallel_seq.test
index b1b15412b16..cc361a7b35b 100644
--- a/mysql-test/suite/rpl/t/rpl_parallel_seq.test
+++ b/mysql-test/suite/rpl/t/rpl_parallel_seq.test
@@ -195,4 +195,22 @@ DROP TABLE ti;
 
 --sync_slave_with_master
 
+# MDEV-31779 server crash in Rows_log_event::update_sequence at replaying binlog
+--connection master
+--let $binlog_file  = query_get_value(SHOW MASTER STATUS, File, 1)
+--let $binlog_start = query_get_value(SHOW MASTER STATUS, Position, 1)
+CREATE SEQUENCE s;
+--disable_ps2_protocol
+SELECT NEXTVAL(s);
+--enable_ps2_protocol
+flush binary logs;
+DROP SEQUENCE s;
+--exec $MYSQL_BINLOG $datadir/$binlog_file | $MYSQL test
+DROP SEQUENCE s;
+
+--sync_slave_with_master
+
+--connection master
+
+
 --source include/rpl_end.inc
diff --git a/mysql-test/suite/rpl/t/rpl_semi_sync_master_shutdown.test b/mysql-test/suite/rpl/t/rpl_semi_sync_master_shutdown.test
index 05e6fcca143..d653d84c3b4 100644
--- a/mysql-test/suite/rpl/t/rpl_semi_sync_master_shutdown.test
+++ b/mysql-test/suite/rpl/t/rpl_semi_sync_master_shutdown.test
@@ -4,19 +4,17 @@
 # finishes off as specified in particular trying to connect even to a shut down
 # master for a semisync firewell routine.
 
-source include/not_embedded.inc;
-source include/have_debug.inc;
 source include/master-slave.inc;
 
 --connection master
 
---let $sav_enabled_master=`SELECT @@GLOBAL.rpl_semi_sync_master_enabled `
+--let $sav_enabled_master=`SELECT @@GLOBAL.rpl_semi_sync_master_enabled`
 SET @@GLOBAL.rpl_semi_sync_master_enabled = 1;
 
 --connection slave
 source include/stop_slave.inc;
---let $sav_enabled_slave=`SELECT @@GLOBAL.rpl_semi_sync_slave_enabled `
-SET @@GLOBAL. rpl_semi_sync_slave_enabled = 1;
+--let $sav_enabled_slave=`SELECT @@GLOBAL.rpl_semi_sync_slave_enabled`
+SET @@GLOBAL.rpl_semi_sync_slave_enabled = 1;
 source include/start_slave.inc;
 
 --connection master
@@ -52,7 +50,6 @@ source include/rpl_start_server.inc;
 #--source include/start_slave.inc
 
 --connection master
-SET @@GLOBAL.debug_dbug="";
 --eval SET @@GLOBAL. rpl_semi_sync_master_enabled = $sav_enabled_master
 
 --connection master
diff --git a/mysql-test/suite/rpl/t/rpl_shutdown_sighup.test b/mysql-test/suite/rpl/t/rpl_shutdown_sighup.test
new file mode 100644
index 00000000000..d1940f81a85
--- /dev/null
+++ b/mysql-test/suite/rpl/t/rpl_shutdown_sighup.test
@@ -0,0 +1,154 @@
+#
+#   The signal handler thread can use various different runtime resources when
+# processing a SIGHUP (e.g. master-info information), as the logic calls into
+# reload_acl_and_cache(). This test ensures that SIGHUP processing, when
+# concurrent with server shutdown, the shutdown logic must wait for the SIGHUP
+# processing to finish before cleaning up any resources.
+#
+#   Additionally, the error case is tested such that the signal handler thread
+# takes too long processing a SIGHUP, and the main mysqld thread must skip its
+# wait and output a warning.
+#
+# Note the SIGHUP is sent via the command-line kill program via a perl script.
+#
+# References:
+#  MDEV-30260: Slave crashed:reload_acl_and_cache during shutdown
+#
+
+--source include/not_windows.inc
+--source include/not_embedded.inc
+--source include/have_debug.inc
+--source include/have_debug_sync.inc
+
+# Binlog format doesn't matter
+--source include/have_binlog_format_statement.inc
+--source include/master-slave.inc
+
+# For error test case which forces timeout
+--connection slave
+set statement sql_log_bin=0 for call mtr.add_suppression("Signal handler thread did not exit in a timely manner");
+
+
+--echo #
+--echo # Main test
+--connection master
+create table t1 (a int);
+insert into t1 values (1);
+--source include/save_master_gtid.inc
+
+--connection slave
+--source include/sync_with_master_gtid.inc
+
+# Make signal handler handle SIGHUP..
+set @@global.debug_dbug= "+d,hold_sighup_log_refresh";
+--let KILL_NODE_PIDFILE = `SELECT @@pid_file`
+--perl
+  my $kill_sig = $ENV{'KILL_SIGNAL_VALUE'};
+  my $pid_filename = $ENV{'KILL_NODE_PIDFILE'};
+  my $mysqld_pid = `cat $pid_filename`;
+  chomp($mysqld_pid);
+  system("kill -HUP $mysqld_pid");
+  exit(0);
+EOF
+
+--echo # Waiting for sighup to reach reload_acl_and_cache..
+set debug_sync="now wait_for in_reload_acl_and_cache";
+--echo # Signalling signal handler to proceed to sleep before REFRESH_HOSTS
+set debug_sync="now signal refresh_logs";
+
+# ..while we are shutting down
+--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
+wait
+EOF
+--echo # Starting shutdown (note this will take 3+ seconds due to DBUG my_sleep in reload_acl_and_cache)
+shutdown;
+
+--source include/wait_until_disconnected.inc
+--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
+restart: --skip-slave-start=0
+EOF
+
+--connection server_2
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+--connection slave
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+--let $assert_text= Ensure Mariadbd did not segfault when shutting down
+--let $assert_select= got signal 11
+--let $assert_file= $MYSQLTEST_VARDIR/log/mysqld.2.err
+--let $assert_count= 0
+--let $assert_only_after = CURRENT_TEST: rpl.rpl_shutdown_sighup
+--source include/assert_grep.inc
+
+--connection master
+--sync_slave_with_master
+
+
+--echo #
+--echo # Error testcase to ensure an error message is shown if the signal
+--echo # takes longer than the timeout while processing the SIGHUP
+
+--connection slave
+set @@global.debug_dbug= "+d,force_sighup_processing_timeout";
+set @@global.debug_dbug= "+d,hold_sighup_log_refresh";
+
+--connection master
+insert into t1 values (1);
+--source include/save_master_gtid.inc
+
+--connection slave
+--source include/sync_with_master_gtid.inc
+
+# Make signal handler handle SIGHUP..
+--let KILL_NODE_PIDFILE = `SELECT @@pid_file`
+--perl
+  my $kill_sig = $ENV{'KILL_SIGNAL_VALUE'};
+  my $pid_filename = $ENV{'KILL_NODE_PIDFILE'};
+  my $mysqld_pid = `cat $pid_filename`;
+  chomp($mysqld_pid);
+  system("kill -HUP $mysqld_pid");
+  exit(0);
+EOF
+--echo # Waiting for sighup to reach reload_acl_and_cache..
+set debug_sync="now wait_for in_reload_acl_and_cache";
+--echo # Signalling signal handler to proceed to sleep before REFRESH_HOSTS
+set debug_sync="now signal refresh_logs";
+
+# ..while we are shutting down
+--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
+wait
+EOF
+--echo # Starting shutdown (note this will take 3+ seconds due to DBUG my_sleep in reload_acl_and_cache)
+shutdown;
+
+--source include/wait_until_disconnected.inc
+--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
+restart: --skip-slave-start=0
+EOF
+
+--connection server_2
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+--connection slave
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+--let $assert_text= Ensure warning is issued that signal handler thread is still processing
+--let $assert_select= Signal handler thread did not exit in a timely manner.
+--let $assert_file= $MYSQLTEST_VARDIR/log/mysqld.2.err
+--let $assert_count= 1
+--let $assert_only_after = CURRENT_TEST: rpl.rpl_shutdown_sighup
+--source include/assert_grep.inc
+
+
+--echo #
+--echo # Cleanup
+--connection master
+drop table t1;
+
+--source include/rpl_end.inc
+--echo # End of rpl_shutdown_sighup.test
diff --git a/mysql-test/suite/sys_vars/r/debug_dbug_utf16le.result b/mysql-test/suite/sys_vars/r/debug_dbug_utf16le.result
new file mode 100644
index 00000000000..83b378f2adf
--- /dev/null
+++ b/mysql-test/suite/sys_vars/r/debug_dbug_utf16le.result
@@ -0,0 +1,31 @@
+#
+# Start of 10.5 tests
+#
+#
+# MDEV-28366 GLOBAL debug_dbug setting affected by collation_connection=utf16...
+#
+SET NAMES utf8;
+SET collation_connection=utf16le_general_ci;
+SET debug_dbug='d,any_random_string';
+SELECT @@debug_dbug;
+@@debug_dbug
+d,any_random_string
+SET debug_dbug=CONCAT('d,', _latin1 0xDF);
+SELECT @@debug_dbug;
+@@debug_dbug
+d,ß
+SELECT HEX(@@debug_dbug);
+HEX(@@debug_dbug)
+642CC39F
+SET @@debug_dbug=NULL;
+SELECT @@debug_dbug;
+@@debug_dbug
+
+SET @@debug_dbug=DEFAULT;
+SELECT @@debug_dbug;
+@@debug_dbug
+
+SET NAMES latin1;
+#
+# End of 10.5 tests
+#
diff --git a/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result b/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result
deleted file mode 100644
index 2cb697acb6d..00000000000
--- a/mysql-test/suite/sys_vars/r/innodb_purge_threads_basic.result
+++ /dev/null
@@ -1,41 +0,0 @@
-SELECT COUNT(@@GLOBAL.innodb_purge_threads);
-COUNT(@@GLOBAL.innodb_purge_threads)
-1
-1 Expected
-SELECT COUNT(@@innodb_purge_threads);
-COUNT(@@innodb_purge_threads)
-1
-1 Expected
-SET @@GLOBAL.innodb_purge_threads=1;
-ERROR HY000: Variable 'innodb_purge_threads' is a read only variable
-Expected error 'Read-only variable'
-SELECT innodb_purge_threads = @@SESSION.innodb_purge_threads;
-ERROR 42S22: Unknown column 'innodb_purge_threads' in 'field list'
-Expected error 'Read-only variable'
-SELECT @@GLOBAL.innodb_purge_threads = VARIABLE_VALUE
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
-WHERE VARIABLE_NAME='innodb_purge_threads';
-@@GLOBAL.innodb_purge_threads = VARIABLE_VALUE
-1
-1 Expected
-SELECT COUNT(VARIABLE_VALUE)
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
-WHERE VARIABLE_NAME='innodb_purge_threads';
-COUNT(VARIABLE_VALUE)
-1
-1 Expected
-SELECT @@innodb_purge_threads = @@GLOBAL.innodb_purge_threads;
-@@innodb_purge_threads = @@GLOBAL.innodb_purge_threads
-1
-1 Expected
-SELECT COUNT(@@local.innodb_purge_threads);
-ERROR HY000: Variable 'innodb_purge_threads' is a GLOBAL variable
-Expected error 'Variable is a GLOBAL variable'
-SELECT COUNT(@@SESSION.innodb_purge_threads);
-ERROR HY000: Variable 'innodb_purge_threads' is a GLOBAL variable
-Expected error 'Variable is a GLOBAL variable'
-SELECT VARIABLE_NAME, VARIABLE_VALUE
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
-WHERE VARIABLE_NAME = 'innodb_purge_threads';
-VARIABLE_NAME	VARIABLE_VALUE
-INNODB_PURGE_THREADS	4
diff --git a/mysql-test/suite/sys_vars/t/debug_dbug_utf16le.test b/mysql-test/suite/sys_vars/t/debug_dbug_utf16le.test
new file mode 100644
index 00000000000..0c4d8f92e93
--- /dev/null
+++ b/mysql-test/suite/sys_vars/t/debug_dbug_utf16le.test
@@ -0,0 +1,29 @@
+--source include/have_debug.inc
+--source include/have_utf16.inc
+
+--echo #
+--echo # Start of 10.5 tests
+--echo #
+
+--echo #
+--echo # MDEV-28366 GLOBAL debug_dbug setting affected by collation_connection=utf16...
+--echo #
+
+SET NAMES utf8;
+SET collation_connection=utf16le_general_ci;
+SET debug_dbug='d,any_random_string';
+SELECT @@debug_dbug;
+SET debug_dbug=CONCAT('d,', _latin1 0xDF);
+SELECT @@debug_dbug;
+SELECT HEX(@@debug_dbug);
+
+SET @@debug_dbug=NULL;
+SELECT @@debug_dbug;
+
+SET @@debug_dbug=DEFAULT;
+SELECT @@debug_dbug;
+SET NAMES latin1;
+
+--echo #
+--echo # End of 10.5 tests
+--echo #
diff --git a/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test b/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test
deleted file mode 100644
index 4d039601e40..00000000000
--- a/mysql-test/suite/sys_vars/t/innodb_purge_threads_basic.test
+++ /dev/null
@@ -1,53 +0,0 @@
-# Variable name: innodb_purge_threads
-# Scope: Global
-# Access type: Static
-# Data type: numeric
-
---source include/have_innodb.inc
-
-SELECT COUNT(@@GLOBAL.innodb_purge_threads);
---echo 1 Expected
-
-SELECT COUNT(@@innodb_purge_threads);
---echo 1 Expected
-
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@GLOBAL.innodb_purge_threads=1;
---echo Expected error 'Read-only variable'
-
---Error ER_BAD_FIELD_ERROR
-SELECT innodb_purge_threads = @@SESSION.innodb_purge_threads;
---echo Expected error 'Read-only variable'
-
---disable_warnings
-SELECT @@GLOBAL.innodb_purge_threads = VARIABLE_VALUE
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
-WHERE VARIABLE_NAME='innodb_purge_threads';
---enable_warnings
---echo 1 Expected
-
---disable_warnings
-SELECT COUNT(VARIABLE_VALUE)
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
-WHERE VARIABLE_NAME='innodb_purge_threads';
---enable_warnings
---echo 1 Expected
-
-SELECT @@innodb_purge_threads = @@GLOBAL.innodb_purge_threads;
---echo 1 Expected
-
---Error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SELECT COUNT(@@local.innodb_purge_threads);
---echo Expected error 'Variable is a GLOBAL variable'
-
---Error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SELECT COUNT(@@SESSION.innodb_purge_threads);
---echo Expected error 'Variable is a GLOBAL variable'
-
-# Check the default value
---disable_warnings
-SELECT VARIABLE_NAME, VARIABLE_VALUE
-FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
-WHERE VARIABLE_NAME = 'innodb_purge_threads';
---enable_warnings
-
diff --git a/plugin/auth_ed25519/ref10/fe_mul.c b/plugin/auth_ed25519/ref10/fe_mul.c
index 26ca8b3682d..8ccad3c30d8 100644
--- a/plugin/auth_ed25519/ref10/fe_mul.c
+++ b/plugin/auth_ed25519/ref10/fe_mul.c
@@ -1,5 +1,6 @@
 #include "fe.h"
 #include "crypto_int64.h"
+#include "crypto_uint64.h"
 
 /*
 h = f * g
@@ -179,16 +180,16 @@ void fe_mul(fe h,const fe f,const fe g)
   crypto_int64 h7 = f0g7+f1g6   +f2g5   +f3g4   +f4g3   +f5g2   +f6g1   +f7g0   +f8g9_19+f9g8_19;
   crypto_int64 h8 = f0g8+f1g7_2 +f2g6   +f3g5_2 +f4g4   +f5g3_2 +f6g2   +f7g1_2 +f8g0   +f9g9_38;
   crypto_int64 h9 = f0g9+f1g8   +f2g7   +f3g6   +f4g5   +f5g4   +f6g3   +f7g2   +f8g1   +f9g0   ;
-  crypto_int64 carry0;
-  crypto_int64 carry1;
-  crypto_int64 carry2;
-  crypto_int64 carry3;
-  crypto_int64 carry4;
-  crypto_int64 carry5;
-  crypto_int64 carry6;
-  crypto_int64 carry7;
-  crypto_int64 carry8;
-  crypto_int64 carry9;
+  crypto_uint64 carry0;
+  crypto_uint64 carry1;
+  crypto_uint64 carry2;
+  crypto_uint64 carry3;
+  crypto_uint64 carry4;
+  crypto_uint64 carry5;
+  crypto_uint64 carry6;
+  crypto_uint64 carry7;
+  crypto_uint64 carry8;
+  crypto_uint64 carry9;
 
   /*
   |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38))
diff --git a/plugin/auth_ed25519/ref10/fe_sq.c b/plugin/auth_ed25519/ref10/fe_sq.c
index 8dd119841c6..3c718033a0a 100644
--- a/plugin/auth_ed25519/ref10/fe_sq.c
+++ b/plugin/auth_ed25519/ref10/fe_sq.c
@@ -1,5 +1,6 @@
 #include "fe.h"
 #include "crypto_int64.h"
+#include "crypto_uint64.h"
 
 /*
 h = f * f
@@ -106,16 +107,16 @@ void fe_sq(fe h,const fe f)
   crypto_int64 h7 = f0f7_2+f1f6_2 +f2f5_2 +f3f4_2 +f8f9_38;
   crypto_int64 h8 = f0f8_2+f1f7_4 +f2f6_2 +f3f5_4 +f4f4   +f9f9_38;
   crypto_int64 h9 = f0f9_2+f1f8_2 +f2f7_2 +f3f6_2 +f4f5_2;
-  crypto_int64 carry0;
-  crypto_int64 carry1;
-  crypto_int64 carry2;
-  crypto_int64 carry3;
-  crypto_int64 carry4;
-  crypto_int64 carry5;
-  crypto_int64 carry6;
-  crypto_int64 carry7;
-  crypto_int64 carry8;
-  crypto_int64 carry9;
+  crypto_uint64 carry0;
+  crypto_uint64 carry1;
+  crypto_uint64 carry2;
+  crypto_uint64 carry3;
+  crypto_uint64 carry4;
+  crypto_uint64 carry5;
+  crypto_uint64 carry6;
+  crypto_uint64 carry7;
+  crypto_uint64 carry8;
+  crypto_uint64 carry9;
 
   carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
   carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
diff --git a/plugin/auth_ed25519/ref10/fe_sq2.c b/plugin/auth_ed25519/ref10/fe_sq2.c
index 026ed3aacf5..97c03cf4899 100644
--- a/plugin/auth_ed25519/ref10/fe_sq2.c
+++ b/plugin/auth_ed25519/ref10/fe_sq2.c
@@ -1,5 +1,6 @@
 #include "fe.h"
 #include "crypto_int64.h"
+#include "crypto_uint64.h"
 
 /*
 h = 2 * f * f
@@ -106,16 +107,16 @@ void fe_sq2(fe h,const fe f)
   crypto_int64 h7 = f0f7_2+f1f6_2 +f2f5_2 +f3f4_2 +f8f9_38;
   crypto_int64 h8 = f0f8_2+f1f7_4 +f2f6_2 +f3f5_4 +f4f4   +f9f9_38;
   crypto_int64 h9 = f0f9_2+f1f8_2 +f2f7_2 +f3f6_2 +f4f5_2;
-  crypto_int64 carry0;
-  crypto_int64 carry1;
-  crypto_int64 carry2;
-  crypto_int64 carry3;
-  crypto_int64 carry4;
-  crypto_int64 carry5;
-  crypto_int64 carry6;
-  crypto_int64 carry7;
-  crypto_int64 carry8;
-  crypto_int64 carry9;
+  crypto_uint64 carry0;
+  crypto_uint64 carry1;
+  crypto_uint64 carry2;
+  crypto_uint64 carry3;
+  crypto_uint64 carry4;
+  crypto_uint64 carry5;
+  crypto_uint64 carry6;
+  crypto_uint64 carry7;
+  crypto_uint64 carry8;
+  crypto_uint64 carry9;
 
   h0 += h0;
   h1 += h1;
diff --git a/plugin/auth_ed25519/ref10/fe_tobytes.c b/plugin/auth_ed25519/ref10/fe_tobytes.c
index 0a63baf9c17..a4dff2c1574 100644
--- a/plugin/auth_ed25519/ref10/fe_tobytes.c
+++ b/plugin/auth_ed25519/ref10/fe_tobytes.c
@@ -1,4 +1,5 @@
 #include "fe.h"
+#include "crypto_uint32.h"
 
 /*
 Preconditions:
@@ -38,16 +39,16 @@ void fe_tobytes(unsigned char *s,const fe h)
   crypto_int32 h8 = h[8];
   crypto_int32 h9 = h[9];
   crypto_int32 q;
-  crypto_int32 carry0;
-  crypto_int32 carry1;
-  crypto_int32 carry2;
-  crypto_int32 carry3;
-  crypto_int32 carry4;
-  crypto_int32 carry5;
-  crypto_int32 carry6;
-  crypto_int32 carry7;
-  crypto_int32 carry8;
-  crypto_int32 carry9;
+  crypto_uint32 carry0;
+  crypto_uint32 carry1;
+  crypto_uint32 carry2;
+  crypto_uint32 carry3;
+  crypto_uint32 carry4;
+  crypto_uint32 carry5;
+  crypto_uint32 carry6;
+  crypto_uint32 carry7;
+  crypto_uint32 carry8;
+  crypto_uint32 carry9;
 
   q = (19 * h9 + (((crypto_int32) 1) << 24)) >> 25;
   q = (h0 + q) >> 26;
@@ -87,32 +88,32 @@ void fe_tobytes(unsigned char *s,const fe h)
   s[0] = h0 >> 0;
   s[1] = h0 >> 8;
   s[2] = h0 >> 16;
-  s[3] = (h0 >> 24) | (h1 << 2);
+  s[3] = (h0 >> 24) | ((crypto_uint32)h1 << 2);
   s[4] = h1 >> 6;
   s[5] = h1 >> 14;
-  s[6] = (h1 >> 22) | (h2 << 3);
+  s[6] = (h1 >> 22) | ((crypto_uint32)h2 << 3);
   s[7] = h2 >> 5;
   s[8] = h2 >> 13;
-  s[9] = (h2 >> 21) | (h3 << 5);
+  s[9] = (h2 >> 21) | ((crypto_uint32)h3 << 5);
   s[10] = h3 >> 3;
   s[11] = h3 >> 11;
-  s[12] = (h3 >> 19) | (h4 << 6);
+  s[12] = (h3 >> 19) | ((crypto_uint32)h4 << 6);
   s[13] = h4 >> 2;
   s[14] = h4 >> 10;
   s[15] = h4 >> 18;
   s[16] = h5 >> 0;
   s[17] = h5 >> 8;
   s[18] = h5 >> 16;
-  s[19] = (h5 >> 24) | (h6 << 1);
+  s[19] = (h5 >> 24) | ((crypto_uint32)h6 << 1);
   s[20] = h6 >> 7;
   s[21] = h6 >> 15;
-  s[22] = (h6 >> 23) | (h7 << 3);
+  s[22] = (h6 >> 23) | ((crypto_uint32)h7 << 3);
   s[23] = h7 >> 5;
   s[24] = h7 >> 13;
-  s[25] = (h7 >> 21) | (h8 << 4);
+  s[25] = (h7 >> 21) | ((crypto_uint32)h8 << 4);
   s[26] = h8 >> 4;
   s[27] = h8 >> 12;
-  s[28] = (h8 >> 20) | (h9 << 6);
+  s[28] = (h8 >> 20) | ((crypto_uint32)h9 << 6);
   s[29] = h9 >> 2;
   s[30] = h9 >> 10;
   s[31] = h9 >> 18;
diff --git a/plugin/auth_ed25519/ref10/ge_scalarmult_base.c b/plugin/auth_ed25519/ref10/ge_scalarmult_base.c
index 421e4fa0fba..9a4ced2182f 100644
--- a/plugin/auth_ed25519/ref10/ge_scalarmult_base.c
+++ b/plugin/auth_ed25519/ref10/ge_scalarmult_base.c
@@ -35,7 +35,7 @@ static void select(ge_precomp *t,int pos,signed char b)
 {
   ge_precomp minust;
   unsigned char bnegative = negative(b);
-  unsigned char babs = b - (((-bnegative) & b) << 1);
+  unsigned char babs = b - ((unsigned char)((-bnegative) & b) << 1);
 
   ge_precomp_0(t);
   cmov(t,&base[pos][0],equal(babs,1));
diff --git a/plugin/auth_ed25519/ref10/sc_muladd.c b/plugin/auth_ed25519/ref10/sc_muladd.c
index 6f1e9d02d60..7bf222be815 100644
--- a/plugin/auth_ed25519/ref10/sc_muladd.c
+++ b/plugin/auth_ed25519/ref10/sc_muladd.c
@@ -95,29 +95,29 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
   crypto_int64 s21;
   crypto_int64 s22;
   crypto_int64 s23;
-  crypto_int64 carry0;
-  crypto_int64 carry1;
-  crypto_int64 carry2;
-  crypto_int64 carry3;
-  crypto_int64 carry4;
-  crypto_int64 carry5;
-  crypto_int64 carry6;
-  crypto_int64 carry7;
-  crypto_int64 carry8;
-  crypto_int64 carry9;
-  crypto_int64 carry10;
-  crypto_int64 carry11;
-  crypto_int64 carry12;
-  crypto_int64 carry13;
-  crypto_int64 carry14;
-  crypto_int64 carry15;
-  crypto_int64 carry16;
-  crypto_int64 carry17;
-  crypto_int64 carry18;
-  crypto_int64 carry19;
-  crypto_int64 carry20;
-  crypto_int64 carry21;
-  crypto_int64 carry22;
+  crypto_uint64 carry0;
+  crypto_uint64 carry1;
+  crypto_uint64 carry2;
+  crypto_uint64 carry3;
+  crypto_uint64 carry4;
+  crypto_uint64 carry5;
+  crypto_uint64 carry6;
+  crypto_uint64 carry7;
+  crypto_uint64 carry8;
+  crypto_uint64 carry9;
+  crypto_uint64 carry10;
+  crypto_uint64 carry11;
+  crypto_uint64 carry12;
+  crypto_uint64 carry13;
+  crypto_uint64 carry14;
+  crypto_uint64 carry15;
+  crypto_uint64 carry16;
+  crypto_uint64 carry17;
+  crypto_uint64 carry18;
+  crypto_uint64 carry19;
+  crypto_uint64 carry20;
+  crypto_uint64 carry21;
+  crypto_uint64 carry22;
 
   s0 = c0 + a0*b0;
   s1 = c1 + a0*b1 + a1*b0;
diff --git a/plugin/auth_ed25519/ref10/sc_reduce.c b/plugin/auth_ed25519/ref10/sc_reduce.c
index d01f5a5737e..422d94b6faf 100644
--- a/plugin/auth_ed25519/ref10/sc_reduce.c
+++ b/plugin/auth_ed25519/ref10/sc_reduce.c
@@ -58,23 +58,23 @@ void sc_reduce(unsigned char *s)
   crypto_int64 s21 = 2097151 & (load_3(s + 55) >> 1);
   crypto_int64 s22 = 2097151 & (load_4(s + 57) >> 6);
   crypto_int64 s23 = (load_4(s + 60) >> 3);
-  crypto_int64 carry0;
-  crypto_int64 carry1;
-  crypto_int64 carry2;
-  crypto_int64 carry3;
-  crypto_int64 carry4;
-  crypto_int64 carry5;
-  crypto_int64 carry6;
-  crypto_int64 carry7;
-  crypto_int64 carry8;
-  crypto_int64 carry9;
-  crypto_int64 carry10;
-  crypto_int64 carry11;
-  crypto_int64 carry12;
-  crypto_int64 carry13;
-  crypto_int64 carry14;
-  crypto_int64 carry15;
-  crypto_int64 carry16;
+  crypto_uint64 carry0;
+  crypto_uint64 carry1;
+  crypto_uint64 carry2;
+  crypto_uint64 carry3;
+  crypto_uint64 carry4;
+  crypto_uint64 carry5;
+  crypto_uint64 carry6;
+  crypto_uint64 carry7;
+  crypto_uint64 carry8;
+  crypto_uint64 carry9;
+  crypto_uint64 carry10;
+  crypto_uint64 carry11;
+  crypto_uint64 carry12;
+  crypto_uint64 carry13;
+  crypto_uint64 carry14;
+  crypto_uint64 carry15;
+  crypto_uint64 carry16;
 
   s11 += s23 * 666643;
   s12 += s23 * 470296;
diff --git a/plugin/test_sql_service/test_sql_service.c b/plugin/test_sql_service/test_sql_service.c
index 4ea6533af84..94031e36231 100644
--- a/plugin/test_sql_service/test_sql_service.c
+++ b/plugin/test_sql_service/test_sql_service.c
@@ -129,6 +129,7 @@ void auditing(MYSQL_THD thd, unsigned int event_class, const void *ev)
 static int run_test(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
                     struct st_mysql_value *value)
 {
+  *(my_bool*)save= 1; // must initialize the return value
   return (test_passed= (do_tests() == 0)) == 0;
 }
 
@@ -139,6 +140,7 @@ static int run_sql(MYSQL *mysql, void *save, struct st_mysql_value *value)
   int len= 0;
   MYSQL_RES *res;
 
+  *(my_bool*)save= 1; // must initialize the return value
   str= value->val_str(value, NULL, &len);
 
   if (mysql_real_query(mysql, str, len))
diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index 5eebd94c268..4a0762b01bb 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -10917,18 +10917,19 @@ int ha_partition::update_next_auto_inc_val()
 
 bool ha_partition::need_info_for_auto_inc()
 {
-  handler **file= m_file;
   DBUG_ENTER("ha_partition::need_info_for_auto_inc");
 
-  do
+  for (uint i= bitmap_get_first_set(&m_locked_partitions);
+       i < m_tot_parts;
+       i= bitmap_get_next_set(&m_locked_partitions, i))
   {
-    if ((*file)->need_info_for_auto_inc())
+    if ((m_file[i])->need_info_for_auto_inc())
     {
       /* We have to get new auto_increment values from handler */
       part_share->auto_inc_initialized= FALSE;
       DBUG_RETURN(TRUE);
     }
-  } while (*(++file));
+  }
   DBUG_RETURN(FALSE);
 }
 
diff --git a/sql/handler.cc b/sql/handler.cc
index 2b432161e7b..adacdb18839 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -1627,6 +1627,29 @@ ha_check_and_coalesce_trx_read_only(THD *thd, Ha_trx_info *ha_list,
   return rw_ha_count;
 }
 
+#ifdef WITH_WSREP
+/**
+  Check if transaction contains storage engine not supporting
+  two-phase commit and transaction is read-write.
+
+  @retval
+    true Transaction contains storage engine not supporting
+         two phase commit and transaction is read-write
+  @retval
+    false otherwise
+*/
+static bool wsrep_have_no2pc_rw_ha(Ha_trx_info* ha_list)
+{
+  for (Ha_trx_info *ha_info=ha_list; ha_info; ha_info= ha_info->next())
+  {
+    handlerton *ht= ha_info->ht();
+    // Transaction is read-write and handler does not support 2pc
+    if (ha_info->is_trx_read_write() && ht->prepare==0)
+      return true;
+  }
+  return false;
+}
+#endif /* WITH_WSREP */
 
 /**
   @retval
@@ -1830,14 +1853,18 @@ int ha_commit_trans(THD *thd, bool all)
     */
     if (run_wsrep_hooks)
     {
-      // This commit involves more than one storage engine and requires
-      // two phases, but some engines don't support it.
-      // Issue a message to the client and roll back the transaction.
-      if (trans->no_2pc && rw_ha_count > 1)
+      // This commit involves storage engines that do not support two phases.
+      // We allow read only transactions to such storage engines but not
+      // read write transactions.
+      if (trans->no_2pc && rw_ha_count > 1 && wsrep_have_no2pc_rw_ha(trans->ha_list))
       {
-	// REPLACE|INSERT INTO ... SELECT uses TOI for MyISAM|Aria
-	if (WSREP(thd) && thd->wsrep_cs().mode() != wsrep::client_state::m_toi)
-	{
+        // This commit involves more than one storage engine and requires
+        // two phases, but some engines don't support it.
+        // Issue a message to the client and roll back the transaction.
+
+        // REPLACE|INSERT INTO ... SELECT uses TOI for MyISAM|Aria
+        if (WSREP(thd) && thd->wsrep_cs().mode() != wsrep::client_state::m_toi)
+        {
           my_message(ER_ERROR_DURING_COMMIT, "Transactional commit not supported "
                      "by involved engine(s)", MYF(0));
           error= 1;
@@ -7651,7 +7678,16 @@ int handler::ha_write_row(const uchar *buf)
               m_lock_type == F_WRLCK);
   DBUG_ENTER("handler::ha_write_row");
   DEBUG_SYNC_C("ha_write_row_start");
-
+#ifdef WITH_WSREP
+  DBUG_EXECUTE_IF("wsrep_ha_write_row",
+                  {
+                    const char act[]=
+                      "now "
+                      "SIGNAL wsrep_ha_write_row_reached "
+                      "WAIT_FOR wsrep_ha_write_row_continue";
+                    DBUG_ASSERT(!debug_sync_set_action(ha_thd(), STRING_WITH_LEN(act)));
+                  });
+#endif /* WITH_WSREP */
   if ((error= ha_check_overlaps(NULL, buf)))
     DBUG_RETURN(error);
 
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index 1b56beaf5a9..e8766c3c3c2 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -4705,6 +4705,11 @@ void Item_func_dyncol_create::print_arguments(String *str,
       {
         str->append(STRING_WITH_LEN(" charset "));
         str->append(defs[i].cs->cs_name);
+        if (Charset(defs[i].cs).can_have_collate_clause())
+        {
+          str->append(STRING_WITH_LEN(" collate "));
+          str->append(defs[i].cs->coll_name);
+        }
         str->append(' ');
       }
       break;
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc
index 6e779794017..2f73588b2c4 100644
--- a/sql/item_timefunc.cc
+++ b/sql/item_timefunc.cc
@@ -3511,6 +3511,24 @@ bool Item_func_timediff::get_date(THD *thd, MYSQL_TIME *ltime, date_mode_t fuzzy
   if (l_time1.neg != l_time2.neg)
     l_sign= -l_sign;
 
+  if (l_time1.time_type == MYSQL_TIMESTAMP_TIME)
+  {
+    /*
+      In case of TIME-alike arguments:
+        TIMEDIFF('38:59:59', '839:00:00')
+      let's truncate extra fractional seconds that might appear if the argument
+      values were out of the supported TIME range. For example, args[n]->get_time()
+      for the string literal '839:00:00' returns TIME'838:59:59.999999'.
+      The fractional part must be truncated according to this->decimals,
+      to avoid returning more fractional seconds than it was detected
+      during this->fix_length_and_dec().
+      Note, the thd rounding mode should not be important here, as we're removing
+      redundant digits from the maximum possible value: '838:59:59.999999'.
+    */
+    my_time_trunc(&l_time1, decimals);
+    my_time_trunc(&l_time2, decimals);
+  }
+
   if (calc_time_diff(&l_time1, &l_time2, l_sign, &l_time3, fuzzydate))
     return (null_value= 1);
 
diff --git a/sql/log_event_server.cc b/sql/log_event_server.cc
index 262c571c771..9234b3fb3a0 100644
--- a/sql/log_event_server.cc
+++ b/sql/log_event_server.cc
@@ -7619,6 +7619,7 @@ int Rows_log_event::update_sequence()
 #if defined(WITH_WSREP)
        ! WSREP(thd) &&
 #endif
+       table->in_use->rgi_slave &&
        !(table->in_use->rgi_slave->gtid_ev_flags2 & Gtid_log_event::FL_DDL) &&
        !(old_master=
          rpl_master_has_bug(thd->rgi_slave->rli,
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 16820300f1c..b5cec519574 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -1754,7 +1754,8 @@ static void close_connections(void)
         "Delaying shutdown to await semi-sync ACK");
   }
 
-  Events::deinit();
+  if (Events::inited)
+    Events::stop();
   slave_prepare_for_shutdown();
   ack_receiver.stop();
 
@@ -1814,6 +1815,12 @@ static void close_connections(void)
   }
   /* End of kill phase 2 */
 
+  /*
+    The signal thread can use server resources, e.g. when processing SIGHUP,
+    and it must end gracefully before clean_up()
+  */
+  wait_for_signal_thread_to_end();
+
   DBUG_PRINT("quit",("close_connections thread"));
   DBUG_VOID_RETURN;
 }
@@ -1890,14 +1897,8 @@ extern "C" void unireg_abort(int exit_code)
 static void mysqld_exit(int exit_code)
 {
   DBUG_ENTER("mysqld_exit");
-  /*
-    Important note: we wait for the signal thread to end,
-    but if a kill -15 signal was sent, the signal thread did
-    spawn the kill_server_thread thread, which is running concurrently.
-  */
   rpl_deinit_gtid_waiting();
   rpl_deinit_gtid_slave_state();
-  wait_for_signal_thread_to_end();
 #ifdef WITH_WSREP
   wsrep_deinit_server();
   wsrep_sst_auth_free();
@@ -1979,6 +1980,9 @@ static void clean_up(bool print_message)
   free_status_vars();
   end_thr_alarm(1);			/* Free allocated memory */
   end_thr_timer();
+#ifndef EMBEDDED_LIBRARY
+  Events::deinit();
+#endif
   my_free_open_file_info();
   if (defaults_argv)
     free_defaults(defaults_argv);
@@ -2047,16 +2051,32 @@ static void clean_up(bool print_message)
 */
 static void wait_for_signal_thread_to_end()
 {
-  uint i;
+  uint i, n_waits= DBUG_EVALUATE("force_sighup_processing_timeout", 5, 100);
+  int err= 0;
   /*
     Wait up to 10 seconds for signal thread to die. We use this mainly to
     avoid getting warnings that my_thread_end has not been called
   */
-  for (i= 0 ; i < 100 && signal_thread_in_use; i++)
+  for (i= 0 ; i < n_waits && signal_thread_in_use; i++)
   {
-    if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL) == ESRCH)
+    err= pthread_kill(signal_thread, MYSQL_KILL_SIGNAL);
+    if (err)
       break;
-    my_sleep(100);				// Give it time to die
+    my_sleep(100000); // Give it time to die, .1s per iteration
+  }
+
+  if (err && err != ESRCH)
+  {
+    sql_print_error("Failed to send kill signal to signal handler thread, "
+                    "pthread_kill() errno: %d",
+                    err);
+  }
+
+  if (i == n_waits && signal_thread_in_use)
+  {
+    sql_print_warning("Signal handler thread did not exit in a timely manner. "
+                      "Continuing to wait for it to stop..");
+    pthread_join(signal_thread, NULL);
   }
 }
 #endif /*EMBEDDED_LIBRARY*/
@@ -3071,7 +3091,6 @@ static void start_signal_handler(void)
 
   (void) pthread_attr_init(&thr_attr);
   pthread_attr_setscope(&thr_attr,PTHREAD_SCOPE_SYSTEM);
-  (void) pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED);
   (void) my_setstacksize(&thr_attr,my_thread_stack_size);
 
   mysql_mutex_lock(&LOCK_start_thread);
@@ -3091,18 +3110,6 @@ static void start_signal_handler(void)
 }
 
 
-#if defined(USE_ONE_SIGNAL_HAND)
-pthread_handler_t kill_server_thread(void *arg __attribute__((unused)))
-{
-  my_thread_init();				// Initialize new thread
-  break_connect_loop();
-  my_thread_end();
-  pthread_exit(0);
-  return 0;
-}
-#endif
-
-
 /** This threads handles all signals and alarms. */
 /* ARGSUSED */
 pthread_handler_t signal_hand(void *arg __attribute__((unused)))
@@ -3159,7 +3166,7 @@ pthread_handler_t signal_hand(void *arg __attribute__((unused)))
     int origin;
 
     while ((error= my_sigwait(&set, &sig, &origin)) == EINTR) /* no-op */;
-    if (cleanup_done)
+    if (abort_loop)
     {
       DBUG_PRINT("quit",("signal_handler: calling my_thread_end()"));
       my_thread_end();
@@ -3182,18 +3189,8 @@ pthread_handler_t signal_hand(void *arg __attribute__((unused)))
       {
         /* Delete the instrumentation for the signal thread */
         PSI_CALL_delete_current_thread();
-#ifdef USE_ONE_SIGNAL_HAND
-	pthread_t tmp;
-        if (unlikely((error= mysql_thread_create(0, /* Not instrumented */
-                                                 &tmp, &connection_attrib,
-                                                 kill_server_thread,
-                                                 (void*) &sig))))
-          sql_print_error("Can't create thread to kill server (errno= %d)",
-                          error);
-#else
         my_sigset(sig, SIG_IGN);
         break_connect_loop(); // MIT THREAD has a alarm thread
-#endif
       }
       break;
     case SIGHUP:
diff --git a/sql/share/errmsg-utf8.txt b/sql/share/errmsg-utf8.txt
index be497b2338c..9e2211eb4f0 100644
--- a/sql/share/errmsg-utf8.txt
+++ b/sql/share/errmsg-utf8.txt
@@ -9969,7 +9969,7 @@ ER_UNKNOWN_DATA_TYPE
         eng "Unknown data type: '%-.64s'"
         spa "Tipo de datos desconocido: '%-.64s'"
 ER_UNKNOWN_OPERATOR
-        eng "Operator does not exists: '%-.128s'"
+        eng "Operator does not exist: '%-.128s'"
         spa "El operador no existe: '%-.128s'"
 ER_WARN_HISTORY_ROW_START_TIME
         eng "Table `%s.%s` history row start '%s' is later than row end '%s'"
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index b284189db23..34d063fcca0 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -2530,14 +2530,9 @@ void Query_cache::destroy()
 
 void Query_cache::disable_query_cache(THD *thd)
 {
+  lock(thd);
   m_cache_status= DISABLE_REQUEST;
-  /*
-    If there is no requests in progress try to free buffer.
-    try_lock(TRY) will exit immediately if there is lock.
-    unlock() should free block.
-  */
-  if (m_requests_in_progress == 0 && !try_lock(thd, TRY))
-    unlock();
+  unlock();
 }
 
 
diff --git a/sql/sql_reload.cc b/sql/sql_reload.cc
index 3448e157e10..767caa65862 100644
--- a/sql/sql_reload.cc
+++ b/sql/sql_reload.cc
@@ -68,6 +68,15 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
   bool result=0;
   select_errors=0;				/* Write if more errors */
   int tmp_write_to_binlog= *write_to_binlog= 1;
+#ifndef DBUG_OFF
+  /*
+    When invoked for handling a SIGHUP by rpl_shutdown_sighup.test, we need to
+    force the signal handler to wait after REFRESH_TABLES, as that will check
+    for a killed server, and we need to call hostname_cache_refresh after
+    server cleanup has happened to trigger MDEV-30260.
+  */
+  int do_dbug_sleep= 0;
+#endif
 
   DBUG_ASSERT(!thd || !thd->in_sub_stmt);
 
@@ -100,6 +109,15 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
         */
         my_error(ER_UNKNOWN_ERROR, MYF(0));
       }
+
+#ifndef DBUG_OFF
+      DBUG_EXECUTE_IF("hold_sighup_log_refresh", {
+        DBUG_ASSERT(!debug_sync_set_action(
+            thd, STRING_WITH_LEN("now SIGNAL in_reload_acl_and_cache "
+                                 "WAIT_FOR refresh_logs")));
+        do_dbug_sleep= 1;
+      });
+#endif
     }
     opt_noacl= 0;
 
@@ -352,6 +370,11 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
     }
     my_dbopt_cleanup();
   }
+
+#ifndef DBUG_OFF
+  if (do_dbug_sleep)
+    my_sleep(3000000); // 3s
+#endif
   if (options & REFRESH_HOSTS)
     hostname_cache_refresh();
   if (thd && (options & REFRESH_STATUS))
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index cfef41b1ab8..44802e24da9 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -4976,7 +4976,8 @@ static bool make_unique_constraint_name(THD *thd, LEX_CSTRING *name,
     if (!check)                                 // Found unique name
     {
       name->length= (size_t) (real_end - buff);
-      name->str= strmake_root(thd->stmt_arena->mem_root, buff, name->length);
+      name->str= thd->strmake(buff, name->length);
+
       return (name->str == NULL);
     }
   }
@@ -9752,14 +9753,14 @@ bool mysql_alter_table(THD *thd, const LEX_CSTRING *new_db,
     if we can support implementing storage engine.
   */
   if (WSREP(thd) && table && table->s->sequence &&
-      wsrep_check_sequence(thd, thd->lex->create_info.seq_create_info, used_engine))
+      wsrep_check_sequence(thd, create_info->seq_create_info, used_engine))
     DBUG_RETURN(TRUE);
 
-  if (WSREP(thd) &&
+  if (WSREP(thd) && table &&
       (thd->lex->sql_command == SQLCOM_ALTER_TABLE ||
        thd->lex->sql_command == SQLCOM_CREATE_INDEX ||
        thd->lex->sql_command == SQLCOM_DROP_INDEX) &&
-      !wsrep_should_replicate_ddl(thd, table_list->table->s->db_type()))
+      !wsrep_should_replicate_ddl(thd, table->s->db_type()))
     DBUG_RETURN(true);
 #endif /* WITH_WSREP */
 
@@ -12187,12 +12188,10 @@ bool Sql_cmd_create_table_like::execute(THD *thd)
               wsrep_check_sequence(thd, lex->create_info.seq_create_info, used_engine))
             DBUG_RETURN(true);
 
-          WSREP_TO_ISOLATION_BEGIN_ALTER(create_table->db.str,
-                                         create_table->table_name.str,
-                                         first_table, &alter_info, NULL,
-                                         &create_info)
-	  {
-	    WSREP_WARN("CREATE TABLE isolation failure");
+          WSREP_TO_ISOLATION_BEGIN_ALTER(create_table->db.str, create_table->table_name.str,
+                                         first_table, &alter_info, NULL, &create_info)
+          {
+            WSREP_WARN("CREATE TABLE isolation failure");
             res= true;
             goto end_with_restore_list;
           }
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 08949012760..0284662d47d 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -1265,26 +1265,21 @@ bool st_select_lex_unit::join_union_item_types(THD *thd_arg,
 }
 
 
-bool init_item_int(THD* thd, Item_int* &item)
+static bool init_item_int(THD* thd, Item_int* &item)
 {
   if (!item)
   {
-    Query_arena *arena, backup_arena;
-    arena= thd->activate_stmt_arena_if_needed(&backup_arena);
-
     item= new (thd->mem_root) Item_int(thd, 0);
 
-    if (arena)
-      thd->restore_active_arena(arena, &backup_arena);
-
     if (!item)
-    return false;
+      return true;
   }
   else
   {
     item->value= 0;
   }
-  return true;
+
+  return false;
 }
 
 
@@ -1760,8 +1755,12 @@ cont:
 
       for(uint i= 0; i< hidden; i++)
       {
-        init_item_int(thd, addon_fields[i]);
-        types.push_front(addon_fields[i]);
+        if (init_item_int(thd, addon_fields[i]) ||
+            types.push_front(addon_fields[i]))
+        {
+          types.empty();
+          goto err;
+        }
         addon_fields[i]->name.str= i ? "__CNT_1" : "__CNT_2";
         addon_fields[i]->name.length= 7;
       }
diff --git a/sql/sys_vars.inl b/sql/sys_vars.inl
index ac4fbf33446..805000b2a5f 100644
--- a/sql/sys_vars.inl
+++ b/sql/sys_vars.inl
@@ -947,21 +947,10 @@ public:
   { option.var_type|= GET_STR; }
   bool do_check(THD *thd, set_var *var)
   {
-    char buff[STRING_BUFFER_USUAL_SIZE];
-    String str(buff, sizeof(buff), system_charset_info), *res;
-
-    if (!(res=var->value->val_str(&str)))
-    {
+    bool rc= Sys_var_charptr::do_string_check(thd, var, charset(thd));
+    if (var->save_result.string_value.str == nullptr)
       var->save_result.string_value.str= const_cast<char*>("");
-      var->save_result.string_value.length= 0;
-    }
-    else
-    {
-      size_t len= res->length();
-      var->save_result.string_value.str= thd->strmake(res->ptr(), len);
-      var->save_result.string_value.length= len;
-    }
-    return false;
+    return rc;
   }
   bool session_update(THD *thd, set_var *var)
   {
diff --git a/sql/tztime.cc b/sql/tztime.cc
index 1c482718cc8..0bca203bc93 100644
--- a/sql/tztime.cc
+++ b/sql/tztime.cc
@@ -2721,6 +2721,8 @@ static const char *lock_tables=
   "  time_zone_transition WRITE,\n"
   "  time_zone_transition_type WRITE";
 static const char *trunc_tables_const=
+  "SET @old_alter_alg=@@SESSION.alter_algorithm;\n"
+  "SET session alter_algorithm='COPY';\n"
   "TRUNCATE TABLE time_zone;\n"
   "TRUNCATE TABLE time_zone_name;\n"
   "TRUNCATE TABLE time_zone_transition;\n"
@@ -2869,6 +2871,9 @@ main(int argc, char **argv)
         "concat('ALTER TABLE time_zone_transition_type ENGINE=', "
 	  "@time_zone_transition_type_engine, ', ORDER BY Time_zone_id, Transition_type_id'), 'do 0');\n");
 
+  if (argc == 1 && !opt_leap)
+    printf("SET session alter_algorithm=@old_alter_alg;\n");
+  
   free_allocated_data();
   my_end(0);
   return 0;
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index c13cb55f805..e22d5075cbe 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -9966,7 +9966,8 @@ wsrep_append_foreign_key(
 	}
 
 	ulint rcode = DB_SUCCESS;
-	char  cache_key[513] = {'\0'};
+	char  cache_key[MAX_FULL_NAME_LEN] = {'\0'};
+	char  db_name[MAX_DATABASE_NAME_LEN+1] = {'\0'};
 	size_t cache_key_len = 0;
 
 	if ( !((referenced) ?
@@ -10056,14 +10057,38 @@ wsrep_append_foreign_key(
 		return DB_ERROR;
 	}
 
-	strncpy(cache_key,
+	char * fk_table =
 		(wsrep_protocol_version > 1) ?
 		((referenced) ?
 			foreign->referenced_table->name.m_name :
 			foreign->foreign_table->name.m_name) :
-		foreign->foreign_table->name.m_name, sizeof(cache_key) - 1);
-	cache_key_len = strlen(cache_key);
+		foreign->foreign_table->name.m_name;
 
+        /* convert db and table name parts separately to system charset */
+	ulint	db_name_len = dict_get_db_name_len(fk_table);
+	strmake(db_name, fk_table, db_name_len);
+	uint errors;
+	cache_key_len= innobase_convert_to_system_charset(cache_key,
+				db_name, sizeof(cache_key), &errors);
+	if (errors) {
+		WSREP_WARN("unexpected foreign key table %s %s",
+			   foreign->referenced_table->name.m_name,
+			   foreign->foreign_table->name.m_name);
+		return DB_ERROR;
+	}
+
+	/* after db name adding 0 and then converted table name */
+	cache_key[db_name_len]= '\0';
+        cache_key_len++;
+
+	cache_key_len+= innobase_convert_to_system_charset(cache_key+cache_key_len,
+				fk_table+db_name_len+1, sizeof(cache_key), &errors);
+	if (errors) {
+		WSREP_WARN("unexpected foreign key table %s %s",
+			   foreign->referenced_table->name.m_name,
+			   foreign->foreign_table->name.m_name);
+		return DB_ERROR;
+        }
 #ifdef WSREP_DEBUG_PRINT
 	ulint j;
 	fprintf(stderr, "FK parent key, table: %s %s len: %lu ",
@@ -10073,16 +10098,6 @@ wsrep_append_foreign_key(
 	}
 	fprintf(stderr, "\n");
 #endif
-	char *p = strchr(cache_key, '/');
-
-	if (p) {
-		*p = '\0';
-	} else {
-		WSREP_WARN("unexpected foreign key table %s %s",
-			   foreign->referenced_table->name.m_name,
-			   foreign->foreign_table->name.m_name);
-	}
-
 	wsrep_buf_t wkey_part[3];
         wsrep_key_t wkey = {wkey_part, 3};
 
diff --git a/storage/perfschema/pfs_instr_class.cc b/storage/perfschema/pfs_instr_class.cc
index 2b1a80d3e11..fa85d8610bf 100644
--- a/storage/perfschema/pfs_instr_class.cc
+++ b/storage/perfschema/pfs_instr_class.cc
@@ -55,7 +55,7 @@
   Indicate if the performance schema is enabled.
   This flag is set at startup, and never changes.
 */
-my_bool pfs_enabled= TRUE;
+my_bool pfs_enabled= FALSE;
 
 /**
   PFS_INSTRUMENT option settings array
diff --git a/storage/perfschema/unittest/pfs_instr_class-t.cc b/storage/perfschema/unittest/pfs_instr_class-t.cc
index 7651898d684..76e3668d378 100644
--- a/storage/perfschema/unittest/pfs_instr_class-t.cc
+++ b/storage/perfschema/unittest/pfs_instr_class-t.cc
@@ -743,6 +743,7 @@ void do_all_tests()
 int main(int argc, char **argv)
 {
   plan(209);
+  pfs_enabled= 1;
   MY_INIT(argv[0]);
   do_all_tests();
   my_end(0);
diff --git a/storage/spider/mysql-test/spider/bugfix/r/mdev_33731.result b/storage/spider/mysql-test/spider/bugfix/r/mdev_33731.result
new file mode 100644
index 00000000000..a63830f194c
--- /dev/null
+++ b/storage/spider/mysql-test/spider/bugfix/r/mdev_33731.result
@@ -0,0 +1,10 @@
+for master_1
+for child2
+for child3
+CREATE TABLE t (a INT) ENGINE=Spider PARTITION BY LIST (a) PARTITIONS 2 (PARTITION p1 VALUES IN (0,1),PARTITION p2 VALUES IN (2,3));
+DELETE FROM t PARTITION (p2);
+ERROR HY000: Unable to connect to foreign data source: localhost
+drop table t;
+for master_1
+for child2
+for child3
diff --git a/storage/spider/mysql-test/spider/bugfix/t/mdev_33731.test b/storage/spider/mysql-test/spider/bugfix/t/mdev_33731.test
new file mode 100644
index 00000000000..b98c9620414
--- /dev/null
+++ b/storage/spider/mysql-test/spider/bugfix/t/mdev_33731.test
@@ -0,0 +1,16 @@
+--disable_query_log
+--disable_result_log
+--source ../../t/test_init.inc
+--enable_result_log
+--enable_query_log
+
+CREATE TABLE t (a INT) ENGINE=Spider PARTITION BY LIST (a) PARTITIONS 2 (PARTITION p1 VALUES IN (0,1),PARTITION p2 VALUES IN (2,3));
+--error ER_CONNECT_TO_FOREIGN_DATA_SOURCE
+DELETE FROM t PARTITION (p2);
+drop table t;
+
+--disable_query_log
+--disable_result_log
+--source ../../t/test_deinit.inc
+--enable_result_log
+--enable_query_log
diff --git a/tpool/tpool_generic.cc b/tpool/tpool_generic.cc
index fd97b4464af..4e613c92df5 100644
--- a/tpool/tpool_generic.cc
+++ b/tpool/tpool_generic.cc
@@ -252,10 +252,10 @@ class thread_pool_generic : public thread_pool
     OFF, ON
   };
   timer_state_t m_timer_state= timer_state_t::OFF;
-  void switch_timer(timer_state_t state);
+  void switch_timer(timer_state_t state,std::unique_lock<std::mutex> &lk);
 
   /* Updates idle_since, and maybe switches the timer off */
-  void check_idle(std::chrono::system_clock::time_point now);
+  void check_idle(std::chrono::system_clock::time_point now, std::unique_lock<std::mutex> &lk);
 
   /** time point when timer last ran, used as a coarse clock. */
   std::chrono::system_clock::time_point m_timestamp;
@@ -289,9 +289,9 @@ class thread_pool_generic : public thread_pool
   {
     ((thread_pool_generic *)arg)->maintenance();
   }
-  bool add_thread();
+  bool add_thread(std::unique_lock<std::mutex> &lk);
   bool wake(worker_wake_reason reason, task *t = nullptr);
-  void maybe_wake_or_create_thread();
+  void maybe_wake_or_create_thread(std::unique_lock<std::mutex> &lk);
   bool too_many_active_threads();
   bool get_task(worker_data *thread_var, task **t);
   bool wait_for_tasks(std::unique_lock<std::mutex> &lk,
@@ -600,11 +600,11 @@ void thread_pool_generic::worker_main(worker_data *thread_var)
 */
 
 static const auto invalid_timestamp=  std::chrono::system_clock::time_point::max();
-constexpr auto max_idle_time= std::chrono::minutes(1);
+constexpr auto max_idle_time= std::chrono::seconds(20);
 
 /* Time since maintenance timer had nothing to do */
 static std::chrono::system_clock::time_point idle_since= invalid_timestamp;
-void thread_pool_generic::check_idle(std::chrono::system_clock::time_point now)
+void thread_pool_generic::check_idle(std::chrono::system_clock::time_point now, std::unique_lock<std::mutex> &lk)
 {
   DBUG_ASSERT(m_task_queue.empty());
 
@@ -631,7 +631,7 @@ void thread_pool_generic::check_idle(std::chrono::system_clock::time_point now)
   if (now - idle_since > max_idle_time)
   {
     idle_since= invalid_timestamp;
-    switch_timer(timer_state_t::OFF);
+    switch_timer(timer_state_t::OFF,lk);
   }
 }
 
@@ -665,7 +665,7 @@ void thread_pool_generic::maintenance()
 
   if (m_task_queue.empty())
   {
-    check_idle(m_timestamp);
+    check_idle(m_timestamp, lk);
     m_last_activity = m_tasks_dequeued + m_wakeups;
     return;
   }
@@ -685,7 +685,7 @@ void thread_pool_generic::maintenance()
     }
   }
 
-  maybe_wake_or_create_thread();
+  maybe_wake_or_create_thread(lk);
 
   size_t thread_cnt = (int)thread_count();
   if (m_last_activity == m_tasks_dequeued + m_wakeups &&
@@ -693,7 +693,7 @@ void thread_pool_generic::maintenance()
   {
     // no progress made since last iteration. create new
     // thread
-    add_thread();
+    add_thread(lk);
   }
   m_last_activity = m_tasks_dequeued + m_wakeups;
   m_last_thread_count= thread_cnt;
@@ -720,7 +720,7 @@ static int  throttling_interval_ms(size_t n_threads,size_t concurrency)
 }
 
 /* Create a new worker.*/
-bool thread_pool_generic::add_thread()
+bool thread_pool_generic::add_thread(std::unique_lock<std::mutex> &lk)
 {
   if (m_thread_creation_pending.test_and_set())
     return false;
@@ -729,7 +729,7 @@ bool thread_pool_generic::add_thread()
 
   if (n_threads >= m_max_threads)
     return false;
-  if (n_threads >= m_min_threads)
+  if (n_threads >= m_min_threads && m_min_threads != m_max_threads)
   {
     auto now = std::chrono::system_clock::now();
     if (now - m_last_thread_creation <
@@ -739,7 +739,7 @@ bool thread_pool_generic::add_thread()
         Throttle thread creation and wakeup deadlock detection timer,
         if is it off.
       */
-      switch_timer(timer_state_t::ON);
+      switch_timer(timer_state_t::ON, lk);
 
       return false;
     }
@@ -813,12 +813,10 @@ thread_pool_generic::thread_pool_generic(int min_threads, int max_threads) :
   m_maintenance_timer(thread_pool_generic::maintenance_func, this, nullptr)
 {
   set_concurrency();
-  // start the timer
-  m_maintenance_timer.set_time(0, (int)m_timer_interval.count());
 }
 
 
-void thread_pool_generic::maybe_wake_or_create_thread()
+void thread_pool_generic::maybe_wake_or_create_thread(std::unique_lock<std::mutex> &lk)
 {
   if (m_task_queue.empty())
     return;
@@ -831,7 +829,7 @@ void thread_pool_generic::maybe_wake_or_create_thread()
   }
   else
   {
-    add_thread();
+    add_thread(lk);
   }
 }
 
@@ -864,7 +862,7 @@ void thread_pool_generic::submit_task(task* task)
   task->add_ref();
   m_tasks_enqueued++;
   m_task_queue.push(task);
-  maybe_wake_or_create_thread();
+  maybe_wake_or_create_thread(lk);
 }
 
 
@@ -887,7 +885,7 @@ void thread_pool_generic::wait_begin()
   m_waiting_task_count++;
 
   /* Maintain concurrency */
-  maybe_wake_or_create_thread();
+  maybe_wake_or_create_thread(lk);
 }
 
 
@@ -902,26 +900,30 @@ void thread_pool_generic::wait_end()
 }
 
 
-void thread_pool_generic::switch_timer(timer_state_t state)
+void thread_pool_generic::switch_timer(timer_state_t state, std::unique_lock<std::mutex> &lk)
 {
   if (m_timer_state == state)
     return;
-  /*
-    We can't use timer::set_time, because mysys timers are deadlock
-    prone.
+  /* No maintenance timer for fixed threadpool size.*/
+  DBUG_ASSERT(m_min_threads != m_max_threads);
+  DBUG_ASSERT(lk.owns_lock());
 
-    Instead, to switch off we increase the  timer period
-    and decrease period to switch on.
-
-    This might introduce delays in thread creation when needed,
-    as period will only be changed when timer fires next time.
-    For this reason, we can't use very long periods for the "off" state.
-  */
   m_timer_state= state;
-  long long period= (state == timer_state_t::OFF) ?
-     m_timer_interval.count()*10: m_timer_interval.count();
-
-  m_maintenance_timer.set_period((int)period);
+  if(state == timer_state_t::OFF)
+  {
+    m_maintenance_timer.set_period(0);
+  }
+  else
+  {
+    /*
+     It is necessary to unlock the thread_pool::m_mtx
+     to avoid the deadlock with thr_timer's LOCK_timer.
+     Otherwise, lock order would be violated.
+    */
+    lk.unlock();
+    m_maintenance_timer.set_time(0, (int)m_timer_interval.count());
+    lk.lock();
+  }
 }
 
 
diff --git a/wsrep-lib b/wsrep-lib
index 7d108eb8706..dfc4bdb8a5d 160000
--- a/wsrep-lib
+++ b/wsrep-lib
@@ -1 +1 @@
-Subproject commit 7d108eb8706962abc74705bedfc60cfc3f296ea6
+Subproject commit dfc4bdb8a5dcbd6fbea007ad3beff899a6b5b7bd