diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53bcdd95eeb..4cdc1037421 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -162,6 +162,7 @@ INCLUDE(plugin)
 INCLUDE(install_macros)
 INCLUDE(systemd)
 INCLUDE(mysql_add_executable)
+INCLUDE(compile_flags)
 INCLUDE(crc32-vpmsum)
 
 # Handle options
diff --git a/include/heap.h b/include/heap.h
index 724cf6c5f98..e92f649b87b 100644
--- a/include/heap.h
+++ b/include/heap.h
@@ -144,6 +144,7 @@ typedef struct st_heap_share
   uint key_version;                     /* Updated on key change */
   uint file_version;                    /* Update on clear */
   uint reclength;			/* Length of one record */
+  uint visible;                         /* Offset to the visible/deleted mark */
   uint changed;
   uint keys,max_key_length;
   uint currently_disabled_keys;    /* saved value from "keys" when disabled */
diff --git a/mysql-test/lib/My/SafeProcess/Base.pm b/mysql-test/lib/My/SafeProcess/Base.pm
index 1ac0120a735..c5ac2ab51c2 100644
--- a/mysql-test/lib/My/SafeProcess/Base.pm
+++ b/mysql-test/lib/My/SafeProcess/Base.pm
@@ -186,8 +186,10 @@ sub create_process {
   # it and any childs(that hasn't changed group themself)
   setpgrp(0,0) if $opts{setpgrp};
 
-  if ( $output and !open(STDOUT, $open_mode, $output) ) {
-    croak("can't redirect STDOUT to '$output': $!");
+  if ( $output ) {
+    close STDOUT;
+    open(STDOUT, $open_mode, $output)
+      or croak "can't redirect STDOUT to '$output': $!";
   }
 
   if ( $error ) {
@@ -196,8 +198,10 @@ sub create_process {
 	croak("can't dup STDOUT: $!");
       }
     }
-    elsif ( ! open(STDERR, $open_mode, $error) ) {
-      croak("can't redirect STDERR to '$error': $!");
+    else {
+      close STDERR;
+      open(STDERR, $open_mode, $error)
+        or croak "can't redirect STDERR to '$error': $!";
     }
   }
 
diff --git a/mysql-test/lib/My/Tee.pm b/mysql-test/lib/My/Tee.pm
new file mode 100644
index 00000000000..ee82e6f45ae
--- /dev/null
+++ b/mysql-test/lib/My/Tee.pm
@@ -0,0 +1,23 @@
+package My::Tee;
+
+# see PerlIO::via
+
+our $copyfh;
+
+sub PUSHED
+{
+  open($copyfh, '>', "$::opt_vardir/log/stdout.log")
+    or die "open(>$::opt_vardir/log/stdout.log): $!"
+      unless $copyfh;
+ bless { }, shift;
+}
+
+sub WRITE
+{
+ my ($obj, $buf, $fh) = @_;
+ print $fh $buf;
+ print $copyfh $buf;
+ return length($buf);
+}
+
+1;
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 6ccf0d690d2..35a2d487844 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -91,6 +91,7 @@ use My::Platform;
 use My::SafeProcess;
 use My::ConfigFactory;
 use My::Options;
+use My::Tee;
 use My::Find;
 use My::SysInfo;
 use My::CoreDump;
@@ -386,6 +387,11 @@ sub main {
   initialize_servers();
   init_timers();
 
+  unless (IS_WINDOWS) {
+    binmode(STDOUT,":via(My::Tee)") or die "binmode(STDOUT, :via(My::Tee)):$!";
+    binmode(STDERR,":via(My::Tee)") or die "binmode(STDERR, :via(My::Tee)):$!";
+  }
+
   mtr_report("Checking supported features...");
 
   executable_setup();
@@ -6255,7 +6261,8 @@ sub xterm_stat {
     my $done = $num_tests - $left;
     my $spent = time - $^T;
 
-    printf "\e];mtr: spent %s on %d tests. %s (%d tests) left\a",
+    syswrite STDOUT, sprintf
+           "\e];mtr: spent %s on %d tests. %s (%d tests) left\a",
            time_format($spent), $done,
            time_format($spent/$done * $left), $left;
   }
diff --git a/mysql-test/r/cte_nonrecursive.result b/mysql-test/r/cte_nonrecursive.result
index beca9e7ca4f..53334512b20 100644
--- a/mysql-test/r/cte_nonrecursive.result
+++ b/mysql-test/r/cte_nonrecursive.result
@@ -1398,3 +1398,30 @@ i
 2
 3
 DROP TABLE t1;
+#
+# MDEV-14297: Lost name of a explicitly named CTE column used in
+#             the non-recursive CTE via prepared statement
+#
+CREATE TABLE t1 (i int);
+INSERT INTO t1 VALUES (1),(2),(3);
+PREPARE stmt FROM "WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+a
+1
+DEALLOCATE PREPARE stmt;
+PREPARE stmt FROM "CREATE VIEW v1 AS WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v1;
+a
+1
+DEALLOCATE PREPARE stmt;
+PREPARE stmt FROM "CREATE VIEW v2 AS WITH cte(a) AS (SELECT * FROM t1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v2;
+a
+1
+2
+3
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
+DROP VIEW v1,v2;
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index c7487964ba3..7ae06b93e53 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -5227,114 +5227,6 @@ execute stmt1;
 deallocate prepare stmt1;
 drop view v1,v2;
 drop table t1,t2;
-#
-# MDEV-6251: SIGSEGV in query optimizer (in set_check_materialized 
-# with MERGE view)
-#
-CREATE TABLE t1 (a1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t2 (b1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t3 (c1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t4 (d1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t5 (e1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t6 (f1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE OR REPLACE view v1 AS
-SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-;
-SELECT 1
-FROM ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t1)
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t2) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t3) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t4) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t5) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t6) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t7) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-FROM t1 a_alias_1
-LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t8) ON 1=1
-;
-1
-SELECT 1
-FROM (v1 t1)
-LEFT OUTER JOIN (v1 t2) ON 1=1
-LEFT OUTER JOIN (v1 t3) ON 1=1
-LEFT OUTER JOIN (v1 t4) ON 1=1
-LEFT OUTER JOIN (v1 t5) ON 1=1
-LEFT OUTER JOIN (v1 t6) ON 1=1
-LEFT OUTER JOIN (v1 t7) ON 1=1
-LEFT OUTER JOIN (v1 t8) ON 1=1
-;
-1
-drop view v1;
-drop table t1,t2,t3,t4,t5,t6;
 # -----------------------------------------------------------------
 # -- End of 5.3 tests.
 # -----------------------------------------------------------------
diff --git a/mysql-test/suite/encryption/r/innodb_encryption-page-compression.result b/mysql-test/suite/encryption/r/innodb_encryption-page-compression.result
index da5b5b49558..712690d2925 100644
--- a/mysql-test/suite/encryption/r/innodb_encryption-page-compression.result
+++ b/mysql-test/suite/encryption/r/innodb_encryption-page-compression.result
@@ -134,6 +134,13 @@ count(*)
 select count(*) from innodb_page_compressed9 where c1 < 500000;
 count(*)
 2000
+flush tables innodb_page_compressed1, innodb_page_compressed2,
+innodb_page_compressed3, innodb_page_compressed4,
+innodb_page_compressed5, innodb_page_compressed6,
+innodb_page_compressed7, innodb_page_compressed8,
+innodb_page_compressed9 for export;
+unlock tables;
+# Wait until dirty pages are compressed and encrypted
 SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_encrypted';
 variable_value > 0
 1
@@ -151,9 +158,14 @@ update innodb_page_compressed6 set c1 = c1 + 1;
 update innodb_page_compressed7 set c1 = c1 + 1;
 update innodb_page_compressed8 set c1 = c1 + 1;
 update innodb_page_compressed9 set c1 = c1 + 1;
-SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_encrypted';
-variable_value > 0
-1
+flush tables innodb_page_compressed1, innodb_page_compressed2,
+innodb_page_compressed3, innodb_page_compressed4,
+innodb_page_compressed5, innodb_page_compressed6,
+innodb_page_compressed7, innodb_page_compressed8,
+innodb_page_compressed9 for export;
+unlock tables;
+# Wait until dirty pages are compressed and encrypted 2
+unlock tables;
 SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_decrypted';
 variable_value > 0
 1
diff --git a/mysql-test/suite/encryption/t/innodb_encryption-page-compression.test b/mysql-test/suite/encryption/t/innodb_encryption-page-compression.test
index e52b37dee89..4f8a3373fb2 100644
--- a/mysql-test/suite/encryption/t/innodb_encryption-page-compression.test
+++ b/mysql-test/suite/encryption/t/innodb_encryption-page-compression.test
@@ -73,6 +73,15 @@ select count(*) from innodb_page_compressed7 where c1 < 500000;
 select count(*) from innodb_page_compressed8 where c1 < 500000;
 select count(*) from innodb_page_compressed9 where c1 < 500000;
 
+flush tables innodb_page_compressed1, innodb_page_compressed2,
+innodb_page_compressed3, innodb_page_compressed4,
+innodb_page_compressed5, innodb_page_compressed6,
+innodb_page_compressed7, innodb_page_compressed8,
+innodb_page_compressed9 for export;
+
+unlock tables;
+
+--echo # Wait until dirty pages are compressed and encrypted
 let $wait_condition= select variable_value > 0 from information_schema.global_status where variable_name = 'INNODB_NUM_PAGES_PAGE_COMPRESSED';
 --source include/wait_condition.inc
 let $wait_condition= select variable_value > 0 from information_schema.global_status where variable_name = 'INNODB_NUM_PAGES_ENCRYPTED';
@@ -96,12 +105,20 @@ update innodb_page_compressed7 set c1 = c1 + 1;
 update innodb_page_compressed8 set c1 = c1 + 1;
 update innodb_page_compressed9 set c1 = c1 + 1;
 
-let $wait_condition= select variable_value > 0 from information_schema.global_status where variable_name = 'INNODB_NUM_PAGES_ENCRYPTED';
---source include/wait_condition.inc
+flush tables innodb_page_compressed1, innodb_page_compressed2,
+innodb_page_compressed3, innodb_page_compressed4,
+innodb_page_compressed5, innodb_page_compressed6,
+innodb_page_compressed7, innodb_page_compressed8,
+innodb_page_compressed9 for export;
+unlock tables;
+
+--echo # Wait until dirty pages are compressed and encrypted 2
 let $wait_condition= select variable_value > 0 from information_schema.global_status where variable_name = 'INNODB_NUM_PAGES_PAGE_COMPRESSED';
 --source include/wait_condition.inc
+unlock tables;
+let $wait_condition= select variable_value > 0 from information_schema.global_status where variable_name = 'INNODB_NUM_PAGES_DECRYPTED';
+--source include/wait_condition.inc
 
-SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_encrypted';
 SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_decrypted';
 SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_page_compressed';
 SELECT variable_value > 0 FROM information_schema.global_status WHERE variable_name = 'innodb_num_pages_page_decompressed';
diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def
index 0b5aa239180..8db0073d268 100644
--- a/mysql-test/suite/galera/disabled.def
+++ b/mysql-test/suite/galera/disabled.def
@@ -62,3 +62,6 @@ MW-328B: MDEV-13549 Galera test failures 10.1
 MW-328: MDEV-13549 Galera test failures 10.1
 galera_suspend_slave: MDEV-13549 Galera test failures 10.1
 galera_ist_progress: MDEV-15236 galera_ist_progress fails when trying to read transfer status
+galera_gtid : MDEV-13549 Galera test failures 10.1
+galera_gtid_slave : MDEV-13549 Galera test failures 10.1
+galera_unicode_identifiers : MDEV-13549 Galera test failures 10.1
diff --git a/mysql-test/suite/galera/r/galera_var_node_address.result b/mysql-test/suite/galera/r/galera_var_node_address.result
index 8ce6a5e01a1..b8076958532 100644
--- a/mysql-test/suite/galera/r/galera_var_node_address.result
+++ b/mysql-test/suite/galera/r/galera_var_node_address.result
@@ -1,5 +1,6 @@
 call  mtr.add_suppression("WSREP: Stray state UUID msg: .* current group state WAIT_STATE_UUID .*");
 call  mtr.add_suppression("WSREP: Protocol violation. JOIN message sender .* is not in state transfer (.*). Message ignored.");
+call  mtr.add_suppression("WSREP: Sending JOIN failed: -[0-9]+ (Transport endpoint is not connected). Will retry in new primary component.");
 SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 VARIABLE_VALUE = 4
 1
diff --git a/mysql-test/suite/galera/t/galera_var_node_address.test b/mysql-test/suite/galera/t/galera_var_node_address.test
index 3353652d8b9..22e98e3aa82 100644
--- a/mysql-test/suite/galera/t/galera_var_node_address.test
+++ b/mysql-test/suite/galera/t/galera_var_node_address.test
@@ -8,6 +8,7 @@
 
 call  mtr.add_suppression("WSREP: Stray state UUID msg: .* current group state WAIT_STATE_UUID .*");
 call  mtr.add_suppression("WSREP: Protocol violation. JOIN message sender .* is not in state transfer (.*). Message ignored.");
+call  mtr.add_suppression("WSREP: Sending JOIN failed: -[0-9]+ (Transport endpoint is not connected). Will retry in new primary component.");
 
 SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 
diff --git a/mysql-test/suite/maria/dynamic.result b/mysql-test/suite/maria/dynamic.result
new file mode 100644
index 00000000000..1e87010e9ca
--- /dev/null
+++ b/mysql-test/suite/maria/dynamic.result
@@ -0,0 +1,4 @@
+create table t1 (a blob, b varchar(20000)) engine=aria row_format=dynamic;
+insert t1 (b) values (repeat('a', 20000));
+update t1 set b='b';
+drop table t1;
diff --git a/mysql-test/suite/maria/dynamic.test b/mysql-test/suite/maria/dynamic.test
new file mode 100644
index 00000000000..f8a1e98cd41
--- /dev/null
+++ b/mysql-test/suite/maria/dynamic.test
@@ -0,0 +1,7 @@
+#
+# MDEV-13748 Assertion `status_var.local_memory_used == 0 || !debug_assert_on_not_freed_memory' failed in virtual THD::~THD after query with INTERSECT
+#
+create table t1 (a blob, b varchar(20000)) engine=aria row_format=dynamic;
+insert t1 (b) values (repeat('a', 20000));
+update t1 set b='b';
+drop table t1;
diff --git a/mysql-test/suite/parts/r/partition_alter_maria.result b/mysql-test/suite/parts/r/partition_alter_maria.result
index 7fed69bb5a5..c7e9028a29c 100644
--- a/mysql-test/suite/parts/r/partition_alter_maria.result
+++ b/mysql-test/suite/parts/r/partition_alter_maria.result
@@ -16,6 +16,15 @@ select * from t1;
 pk	dt
 1	2017-09-28 15:12:00
 drop table t1;
+create table t1 (a int) engine=Aria transactional=1 partition by hash(a) partitions 2;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=Aria DEFAULT CHARSET=latin1 TRANSACTIONAL=1
+ PARTITION BY HASH (`a`)
+PARTITIONS 2
+drop table t1;
 #
 # MDEV-14641 Incompatible key or row definition between the MariaDB .frm file and the information in the storage engine
 #
diff --git a/mysql-test/suite/parts/t/partition_alter_maria.test b/mysql-test/suite/parts/t/partition_alter_maria.test
index e21f0dfab82..e0b9256391d 100644
--- a/mysql-test/suite/parts/t/partition_alter_maria.test
+++ b/mysql-test/suite/parts/t/partition_alter_maria.test
@@ -17,5 +17,12 @@ alter table t1 drop partition p20181231;
 select * from t1;
 drop table t1;
 
+#
+# MDEV-13982 Server crashes in in ha_partition::engine_name
+#
+create table t1 (a int) engine=Aria transactional=1 partition by hash(a) partitions 2;
+show create table t1;
+drop table t1;
+
 --let $engine=Aria
 --source inc/part_alter_values.inc
diff --git a/mysql-test/suite/parts/t/partition_alter_myisam.test b/mysql-test/suite/parts/t/partition_alter_myisam.test
index d3abb8842e1..326cf52b018 100644
--- a/mysql-test/suite/parts/t/partition_alter_myisam.test
+++ b/mysql-test/suite/parts/t/partition_alter_myisam.test
@@ -1,4 +1,5 @@
 --source include/have_partition.inc
+--source include/have_symlink.inc
 --let $engine=MyISAM
 --source inc/part_alter_values.inc
 
diff --git a/mysql-test/suite/plugins/t/server_audit.test b/mysql-test/suite/plugins/t/server_audit.test
index 9be0d5556f0..6c5eaffd9a2 100644
--- a/mysql-test/suite/plugins/t/server_audit.test
+++ b/mysql-test/suite/plugins/t/server_audit.test
@@ -42,8 +42,10 @@ select 1,
         3;
 insert into t2 values (1), (2);
 select * from t2;
+--disable_ps_protocol
 --error ER_NO_SUCH_TABLE
 select * from t_doesnt_exist;
+--enable_ps_protocol
 --error 1064
 syntax_error_query;
 drop table renamed_t1, t2;
diff --git a/mysql-test/t/cte_nonrecursive.test b/mysql-test/t/cte_nonrecursive.test
index 05de03fc7af..3d073183877 100644
--- a/mysql-test/t/cte_nonrecursive.test
+++ b/mysql-test/t/cte_nonrecursive.test
@@ -964,3 +964,28 @@ WITH RECURSIVE c1 AS (WITH c3 AS (SELECT * FROM c2) SELECT * FROM c3),
 SELECT * FROM c1;
 
 DROP TABLE t1;
+
+--echo #
+--echo # MDEV-14297: Lost name of a explicitly named CTE column used in
+--echo #             the non-recursive CTE via prepared statement
+--echo #
+
+CREATE TABLE t1 (i int);
+INSERT INTO t1 VALUES (1),(2),(3);
+
+PREPARE stmt FROM "WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+PREPARE stmt FROM "CREATE VIEW v1 AS WITH cte(a) AS (SELECT 1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v1;
+DEALLOCATE PREPARE stmt;
+
+PREPARE stmt FROM "CREATE VIEW v2 AS WITH cte(a) AS (SELECT * FROM t1) SELECT * FROM cte";
+EXECUTE stmt;
+SELECT * FROM v2;
+DEALLOCATE PREPARE stmt;
+
+DROP TABLE t1;
+DROP VIEW v1,v2;
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index 2d8f98f4d5f..f78ddd6f49e 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -5109,118 +5109,6 @@ deallocate prepare stmt1;
 drop view v1,v2;
 drop table t1,t2;
 
---echo #
---echo # MDEV-6251: SIGSEGV in query optimizer (in set_check_materialized 
---echo # with MERGE view)
---echo #
-
-CREATE TABLE t1 (a1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t2 (b1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t3 (c1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t4 (d1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t5 (e1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-CREATE TABLE t6 (f1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
-  
-CREATE OR REPLACE view v1 AS
-  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-;
-
-SELECT 1
-FROM ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t1)
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t2) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t3) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t4) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t5) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t6) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t7) ON 1=1
-LEFT OUTER JOIN ((  SELECT 1
-  FROM t1 a_alias_1
-    LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
-    LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
-    LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
-    LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
-    LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t8) ON 1=1
-;
-
-SELECT 1
-FROM (v1 t1)
-LEFT OUTER JOIN (v1 t2) ON 1=1
-LEFT OUTER JOIN (v1 t3) ON 1=1
-LEFT OUTER JOIN (v1 t4) ON 1=1
-LEFT OUTER JOIN (v1 t5) ON 1=1
-LEFT OUTER JOIN (v1 t6) ON 1=1
-LEFT OUTER JOIN (v1 t7) ON 1=1
-LEFT OUTER JOIN (v1 t8) ON 1=1
-;
-
-drop view v1;
-drop table t1,t2,t3,t4,t5,t6;
-
 --echo # -----------------------------------------------------------------
 --echo # -- End of 5.3 tests.
 --echo # -----------------------------------------------------------------
diff --git a/mysys/my_addr_resolve.c b/mysys/my_addr_resolve.c
index 10f8552f226..84bff47d1a9 100644
--- a/mysys/my_addr_resolve.c
+++ b/mysys/my_addr_resolve.c
@@ -49,6 +49,13 @@ static const char *strip_path(const char *s)
 static bfd *bfdh= 0;
 static asymbol **symtable= 0;
 
+#if defined(HAVE_LINK_H) && defined(HAVE_DLOPEN)
+#include <link.h>
+static ElfW(Addr) offset= 0;
+#else
+#define offset 0
+#endif
+
 /**
   finds a file name, a line number, and a function name corresponding to addr.
 
diff --git a/scripts/wsrep_sst_xtrabackup-v2.sh b/scripts/wsrep_sst_xtrabackup-v2.sh
index 64dd182e2f2..9104daf19bc 100644
--- a/scripts/wsrep_sst_xtrabackup-v2.sh
+++ b/scripts/wsrep_sst_xtrabackup-v2.sh
@@ -644,7 +644,7 @@ wait_for_listen()
 
     for i in {1..300}
     do
-        LSOF_OUT=$(lsof -sTCP:LISTEN -i TCP:${PORT} -a -c nc -c socat -F c)
+        LSOF_OUT=$(lsof -sTCP:LISTEN -i TCP:${PORT} -a -c nc -c socat -F c 2> /dev/null || :)
         [ -n "${LSOF_OUT}" ] && break
         sleep 0.2
     done
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index c5804c7d315..b20a9dca0b1 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -6035,12 +6035,14 @@ int mysqld_main(int argc, char **argv)
                           mysqld_port, MYSQL_COMPILATION_COMMENT);
   }
 
+#ifndef _WIN32
   // try to keep fd=0 busy
-  if (!freopen(IF_WIN("NUL","/dev/null"), "r", stdin))
+  if (!freopen("/dev/null", "r", stdin))
   {
     // fall back on failure
     fclose(stdin);
   }
+#endif
 
 #if defined(_WIN32) && !defined(EMBEDDED_LIBRARY)
   Service.SetRunning();
diff --git a/sql/partition_info.cc b/sql/partition_info.cc
index d721453a181..2f904840044 100644
--- a/sql/partition_info.cc
+++ b/sql/partition_info.cc
@@ -2384,23 +2384,6 @@ end:
 }
 
 
-bool partition_info::error_if_requires_values() const
-{
-  switch (part_type) {
-  case NOT_A_PARTITION:
-  case HASH_PARTITION:
-    break;
-  case RANGE_PARTITION:
-    my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0), "RANGE", "LESS THAN");
-    return true;
-  case LIST_PARTITION:
-    my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0), "LIST", "IN");
-    return true;
-  }
-  return false;
-}
-
-
 /**
   Fix partition data from parser.
 
@@ -2894,3 +2877,19 @@ bool check_partition_dirs(partition_info *part_info)
 }
 
 #endif /* WITH_PARTITION_STORAGE_ENGINE */
+
+bool partition_info::error_if_requires_values() const
+{
+  switch (part_type) {
+  case NOT_A_PARTITION:
+  case HASH_PARTITION:
+    break;
+  case RANGE_PARTITION:
+    my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0), "RANGE", "LESS THAN");
+    return true;
+  case LIST_PARTITION:
+    my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0), "LIST", "IN");
+    return true;
+  }
+  return false;
+}
diff --git a/sql/sql_cte.cc b/sql/sql_cte.cc
index 23a3eba1615..6581113df80 100644
--- a/sql/sql_cte.cc
+++ b/sql/sql_cte.cc
@@ -909,12 +909,19 @@ With_element::rename_columns_of_derived_unit(THD *thd,
       my_error(ER_WITH_COL_WRONG_LIST, MYF(0));
       return true;
     }
+
+    Query_arena *arena, backup;
+    arena= thd->activate_stmt_arena_if_needed(&backup);
+
     /* Rename the columns of the first select in the unit */
     while ((item= it++, name= nm++))
     {
       item->set_name(thd, name->str, (uint) name->length, system_charset_info);
       item->is_autogenerated_name= false;
     }
+
+    if (arena)
+      thd->restore_active_arena(arena, &backup);
   }
   else
     make_valid_column_names(thd, select->item_list);
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 5d5c372e303..a84492d434c 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -4115,7 +4115,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
   /* Give warnings for not supported table options */
 #if defined(WITH_ARIA_STORAGE_ENGINE)
   extern handlerton *maria_hton;
-  if (file->ht != maria_hton)
+  if (file->partition_ht() != maria_hton)
 #endif
     if (create_info->transactional)
       push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN,
diff --git a/storage/connect/ha_connect.cc b/storage/connect/ha_connect.cc
index b9ff1d478fe..b83a569b30b 100644
--- a/storage/connect/ha_connect.cc
+++ b/storage/connect/ha_connect.cc
@@ -1754,11 +1754,13 @@ bool ha_connect::CheckVirtualIndex(TABLE_SHARE *s)
 
 bool ha_connect::IsPartitioned(void)
 {
+#ifdef WITH_PARTITION_STORAGE_ENGINE
   if (tshp)
     return tshp->partition_info_str_len > 0;
   else if (table && table->part_info)
     return true;
   else
+#endif
     return false;
 
 } // end of IsPartitioned
@@ -6165,8 +6167,10 @@ int ha_connect::create(const char *name, TABLE *table_arg,
   TABLE  *st= table;                       // Probably unuseful
   THD    *thd= ha_thd();
   LEX_CSTRING cnc = table_arg->s->connect_string;
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
+#ifdef WITH_PARTITION_STORAGE_ENGINE
   partition_info *part_info= table_arg->part_info;
+#else
+#define part_info 0
 #endif   // WITH_PARTITION_STORAGE_ENGINE
   xp= GetUser(thd, xp);
   PGLOBAL g= xp->g;
@@ -6268,9 +6272,7 @@ int ha_connect::create(const char *name, TABLE *table_arg,
 
 				// fall through
       case TAB_MYSQL:
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
         if (!part_info)
-#endif   // WITH_PARTITION_STORAGE_ENGINE
        {const char *src= options->srcdef;
 				PCSZ host, db, tab= options->tabname;
         int  port;
@@ -6534,7 +6536,6 @@ int ha_connect::create(const char *name, TABLE *table_arg,
       } else
         lwt[i]= tolower(options->type[i]);
 
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
     if (part_info) {
       char *p;
 
@@ -6544,7 +6545,6 @@ int ha_connect::create(const char *name, TABLE *table_arg,
       strcat(strcat(strcpy(buf, p), "."), lwt);
       *p= 0;
     } else {
-#endif   // WITH_PARTITION_STORAGE_ENGINE
       strcat(strcat(strcpy(buf, GetTableName()), "."), lwt);
       sprintf(g->Message, "No file name. Table will use %s", buf);
   
@@ -6552,9 +6552,7 @@ int ha_connect::create(const char *name, TABLE *table_arg,
         push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 0, g->Message);
   
       strcat(strcat(strcpy(dbpath, "./"), table->s->db.str), "/");
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
     } // endif part_info
-#endif   // WITH_PARTITION_STORAGE_ENGINE
 
     PlugSetPath(fn, buf, dbpath);
 
@@ -6619,11 +6617,9 @@ int ha_connect::create(const char *name, TABLE *table_arg,
       push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 0,
         "Unexpected command in create, please contact CONNECT team");
 
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
     if (part_info && !inward)
       strncpy(partname, decode(g, strrchr(name, '#') + 1), sizeof(partname) - 1);
 //    strcpy(partname, part_info->curr_part_elem->partition_name);
-#endif   // WITH_PARTITION_STORAGE_ENGINE
 
     if (g->Alchecked == 0 &&
         (!IsFileType(type) || FileExists(options->filename, false))) {
@@ -6659,12 +6655,10 @@ int ha_connect::create(const char *name, TABLE *table_arg,
 					my_message(ER_UNKNOWN_ERROR, g->Message, MYF(0));
 					rc = HA_ERR_INTERNAL_ERROR;
 				} else if (cat) {
-#if defined(WITH_PARTITION_STORAGE_ENGINE)
           if (part_info)
             strncpy(partname, 
                     decode(g, strrchr(name, (inward ? slash : '#')) + 1),
 										sizeof(partname) - 1);
-#endif   // WITH_PARTITION_STORAGE_ENGINE
 
           if ((rc= optimize(table->in_use, NULL))) {
             htrc("Create rc=%d %s\n", rc, g->Message);
diff --git a/storage/heap/_check.c b/storage/heap/_check.c
index 910a0d20256..fd8652d6a2a 100644
--- a/storage/heap/_check.c
+++ b/storage/heap/_check.c
@@ -79,7 +79,7 @@ int heap_check_heap(HP_INFO *info, my_bool print_status)
     }
     hp_find_record(info,pos);
 
-    if (!info->current_ptr[share->reclength])
+    if (!info->current_ptr[share->visible])
       deleted++;
     else
       records++;
diff --git a/storage/heap/ha_heap.cc b/storage/heap/ha_heap.cc
index cb210f4394d..f5e1c8616ab 100644
--- a/storage/heap/ha_heap.cc
+++ b/storage/heap/ha_heap.cc
@@ -91,15 +91,6 @@ ha_heap::ha_heap(handlerton *hton, TABLE_SHARE *table_arg)
 
 int ha_heap::open(const char *name, int mode, uint test_if_locked)
 {
-  if (table->s->reclength < sizeof (char*))
-  {
-    MEM_UNDEFINED(table->s->default_values + table->s->reclength,
-                  sizeof(char*) - table->s->reclength);
-    table->s->reclength= sizeof(char*);
-    MEM_UNDEFINED(table->record[0], table->s->reclength);
-    MEM_UNDEFINED(table->record[1], table->s->reclength);
-  }
-
   internal_table= MY_TEST(test_if_locked & HA_OPEN_INTERNAL_TABLE);
   if (internal_table || (!(file= heap_open(name, mode)) && my_errno == ENOENT))
   {
@@ -714,7 +705,7 @@ heap_prepare_hp_create_info(TABLE *table_arg, bool internal_table,
       }
     }
   }
-  mem_per_row+= MY_ALIGN(share->reclength + 1, sizeof(char*));
+  mem_per_row+= MY_ALIGN(MY_MAX(share->reclength, sizeof(char*)) + 1, sizeof(char*));
   if (table_arg->found_next_number_field)
   {
     keydef[share->next_number_index].flag|= HA_AUTO_KEY;
diff --git a/storage/heap/hp_create.c b/storage/heap/hp_create.c
index 431e992e75b..ed669069b96 100644
--- a/storage/heap/hp_create.c
+++ b/storage/heap/hp_create.c
@@ -33,6 +33,7 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info,
   uint keys= create_info->keys;
   ulong min_records= create_info->min_records;
   ulong max_records= create_info->max_records;
+  uint visible_offset;
   DBUG_ENTER("heap_create");
 
   if (!create_info->internal_table)
@@ -58,9 +59,9 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info,
     
     /*
       We have to store sometimes uchar* del_link in records,
-      so the record length should be at least sizeof(uchar*)
+      so the visible_offset must be least at sizeof(uchar*)
     */
-    set_if_bigger(reclength, sizeof (uchar*));
+    visible_offset= MY_MAX(reclength, sizeof (char*));
     
     for (i= key_segs= max_length= 0, keyinfo= keydef; i < keys; i++, keyinfo++)
     {
@@ -154,7 +155,7 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info,
     share->keydef= (HP_KEYDEF*) (share + 1);
     share->key_stat_version= 1;
     keyseg= (HA_KEYSEG*) (share->keydef + keys);
-    init_block(&share->block, reclength + 1, min_records, max_records);
+    init_block(&share->block, visible_offset + 1, min_records, max_records);
 	/* Fix keys */
     memcpy(share->keydef, keydef, (size_t) (sizeof(keydef[0]) * keys));
     for (i= 0, keyinfo= share->keydef; i < keys; i++, keyinfo++)
@@ -196,6 +197,7 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info,
     share->max_table_size= create_info->max_table_size;
     share->data_length= share->index_length= 0;
     share->reclength= reclength;
+    share->visible= visible_offset;
     share->blength= 1;
     share->keys= keys;
     share->max_key_length= max_length;
diff --git a/storage/heap/hp_delete.c b/storage/heap/hp_delete.c
index 12f2c65f00b..2e211a31646 100644
--- a/storage/heap/hp_delete.c
+++ b/storage/heap/hp_delete.c
@@ -45,7 +45,7 @@ int heap_delete(HP_INFO *info, const uchar *record)
   info->update=HA_STATE_DELETED;
   *((uchar**) pos)=share->del_link;
   share->del_link=pos;
-  pos[share->reclength]=0;		/* Record deleted */
+  pos[share->visible]=0;		/* Record deleted */
   share->deleted++;
   share->key_version++;
 #if !defined(DBUG_OFF) && defined(EXTRA_HEAP_DEBUG)
diff --git a/storage/heap/hp_rrnd.c b/storage/heap/hp_rrnd.c
index 6bf1888275e..1f2a26cb3ed 100644
--- a/storage/heap/hp_rrnd.c
+++ b/storage/heap/hp_rrnd.c
@@ -37,7 +37,7 @@ int heap_rrnd(register HP_INFO *info, uchar *record, uchar *pos)
     info->update= 0;
     DBUG_RETURN(my_errno= HA_ERR_END_OF_FILE);
   }
-  if (!info->current_ptr[share->reclength])
+  if (!info->current_ptr[share->visible])
   {
     info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND;
     DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED);
diff --git a/storage/heap/hp_rsame.c b/storage/heap/hp_rsame.c
index 40c5a18f974..19767fd752b 100644
--- a/storage/heap/hp_rsame.c
+++ b/storage/heap/hp_rsame.c
@@ -32,7 +32,7 @@ int heap_rsame(register HP_INFO *info, uchar *record, int inx)
   DBUG_ENTER("heap_rsame");
 
   test_active(info);
-  if (info->current_ptr[share->reclength])
+  if (info->current_ptr[share->visible])
   {
     if (inx < -1 || inx >= (int) share->keys)
     {
diff --git a/storage/heap/hp_scan.c b/storage/heap/hp_scan.c
index 39a6f2082a3..65726c37e1f 100644
--- a/storage/heap/hp_scan.c
+++ b/storage/heap/hp_scan.c
@@ -62,7 +62,7 @@ int heap_scan(register HP_INFO *info, uchar *record)
     }
     hp_find_record(info, pos);
   }
-  if (!info->current_ptr[share->reclength])
+  if (!info->current_ptr[share->visible])
   {
     DBUG_PRINT("warning",("Found deleted record"));
     info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND;
diff --git a/storage/heap/hp_write.c b/storage/heap/hp_write.c
index 392662f69ae..a1e4de446d0 100644
--- a/storage/heap/hp_write.c
+++ b/storage/heap/hp_write.c
@@ -54,7 +54,7 @@ int heap_write(HP_INFO *info, const uchar *record)
   }
 
   memcpy(pos,record,(size_t) share->reclength);
-  pos[share->reclength]=1;		/* Mark record as not deleted */
+  pos[share->visible]= 1;                     /* Mark record as not deleted */
   if (++share->records == share->blength)
     share->blength+= share->blength;
   info->s->key_version++;
@@ -92,7 +92,7 @@ err:
   share->deleted++;
   *((uchar**) pos)=share->del_link;
   share->del_link=pos;
-  pos[share->reclength]=0;			/* Record deleted */
+  pos[share->visible]= 0;                                 /* Record deleted */
 
   DBUG_RETURN(my_errno);
 } /* heap_write */
diff --git a/storage/innobase/CMakeLists.txt b/storage/innobase/CMakeLists.txt
index 0033cdbae35..5b7c0d3aefb 100644
--- a/storage/innobase/CMakeLists.txt
+++ b/storage/innobase/CMakeLists.txt
@@ -175,7 +175,13 @@ IF(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
       btr/btr0btr.cc
       btr/btr0cur.cc
       buf/buf0buf.cc
+      fts/fts0fts.cc
       gis/gis0sea.cc
+      handler/handler0alter.cc
+      mtr/mtr0mtr.cc
+      row/row0merge.cc
+      row/row0mysql.cc
+      srv/srv0srv.cc
       COMPILE_FLAGS "-O0"
       )
   ENDIF()
@@ -188,4 +194,6 @@ ENDIF()
 
 ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/extra/mariabackup ${CMAKE_BINARY_DIR}/extra/mariabackup)
 
-ADD_DEPENDENCIES(innobase GenError)
+IF(TARGET innobase)
+  ADD_DEPENDENCIES(innobase GenError)
+ENDIF()
diff --git a/storage/innobase/fsp/fsp0fsp.cc b/storage/innobase/fsp/fsp0fsp.cc
index 2531a9fb5aa..dd0148a3275 100644
--- a/storage/innobase/fsp/fsp0fsp.cc
+++ b/storage/innobase/fsp/fsp0fsp.cc
@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, MariaDB Corporation.
+Copyright (c) 2017, 2018, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1108,7 +1108,7 @@ fsp_fill_free_list(
 			skip_resize = !srv_sys_space.can_auto_extend_last_file();
 			break;
 		case SRV_TMP_SPACE_ID:
-			skip_resize = srv_tmp_space.can_auto_extend_last_file();
+			skip_resize = !srv_tmp_space.can_auto_extend_last_file();
 			break;
 		}
 
diff --git a/storage/maria/ma_bitmap.c b/storage/maria/ma_bitmap.c
index d50df294b8a..0857f25352d 100644
--- a/storage/maria/ma_bitmap.c
+++ b/storage/maria/ma_bitmap.c
@@ -145,6 +145,11 @@ static my_bool _ma_bitmap_create_missing(MARIA_HA *info,
                                          MARIA_FILE_BITMAP *bitmap,
                                          pgcache_page_no_t page);
 static void _ma_bitmap_unpin_all(MARIA_SHARE *share);
+#ifndef DBUG_OFF
+static void _ma_check_bitmap(MARIA_FILE_BITMAP *bitmap);
+#else
+#define _ma_check_bitmap(A) do { } while(0)
+#endif
 
 
 /* Write bitmap page to key cache */
@@ -267,6 +272,13 @@ my_bool _ma_bitmap_init(MARIA_SHARE *share, File file,
   bitmap->sizes[6]= max_page_size - max_page_size * 80 / 100;
   bitmap->sizes[7]= 0;
 
+  /*
+    If a record size will fit into the smallest empty page, return first
+   found page in find_head()
+  */
+  if (bitmap->sizes[3] >= share->base.max_pack_length)
+    bitmap->return_first_match= 1;
+
   mysql_mutex_init(key_SHARE_BITMAP_lock,
                    &share->bitmap.bitmap_lock, MY_MUTEX_INIT_SLOW);
   mysql_cond_init(key_SHARE_BITMAP_cond,
@@ -677,7 +689,8 @@ void _ma_bitmap_delete_all(MARIA_SHARE *share)
     bzero(bitmap->map, bitmap->block_size);
     bitmap->changed= 1;
     bitmap->page= 0;
-    bitmap->used_size= bitmap->total_size= bitmap->max_total_size;
+    bitmap->used_size= bitmap->full_tail_size= bitmap->full_head_size= 0;
+    bitmap->total_size= bitmap->max_total_size;
   }
   DBUG_VOID_RETURN;
 }
@@ -715,6 +728,7 @@ void _ma_bitmap_reset_cache(MARIA_SHARE *share)
     */
     bitmap->page= ((pgcache_page_no_t) 0) - bitmap->pages_covered;
     bitmap->used_size= bitmap->total_size= bitmap->max_total_size;
+    bitmap->full_head_size= bitmap->full_tail_size= bitmap->max_total_size;
     bfill(bitmap->map, share->block_size, 255);
 #ifndef DBUG_OFF
     memcpy(bitmap->map + bitmap->block_size, bitmap->map, bitmap->block_size);
@@ -1016,9 +1030,6 @@ static void adjust_total_size(MARIA_HA *info, pgcache_page_no_t page)
     bitmap              Bitmap handler
     page                Page to read
 
-  TODO
-    Update 'bitmap->used_size' to real size of used bitmap
-
   NOTE
     We don't always have share->bitmap.bitmap_lock here
     (when called from_ma_check_bitmap_data() for example).
@@ -1035,6 +1046,9 @@ static my_bool _ma_read_bitmap_page(MARIA_HA *info,
   MARIA_SHARE *share= info->s;
   my_bool res;
   DBUG_ENTER("_ma_read_bitmap_page");
+  DBUG_PRINT("enter", ("page: %lld  data_file_length: %lld",
+                       (longlong) page,
+                       (longlong) share->state.state.data_file_length));
   DBUG_ASSERT(page % bitmap->pages_covered == 0);
   DBUG_ASSERT(!bitmap->changed);
 
@@ -1049,13 +1063,22 @@ static my_bool _ma_read_bitmap_page(MARIA_HA *info,
   }
 
   adjust_total_size(info, page);
-  bitmap->used_size= bitmap->total_size;
+  bitmap->full_head_size=  bitmap->full_tail_size= 0;
   DBUG_ASSERT(share->pagecache->block_size == bitmap->block_size);
   res= pagecache_read(share->pagecache,
                       &bitmap->file, page, 0,
                       bitmap->map, PAGECACHE_PLAIN_PAGE,
                       PAGECACHE_LOCK_LEFT_UNLOCKED, 0) == NULL;
 
+  if (!res)
+  {
+    /* Calculate used_size */
+    const uchar *data, *end=  bitmap->map;
+    for (data= bitmap->map + bitmap->total_size; --data >= end && *data == 0; )
+    {}
+    bitmap->used_size= (uint) ((data + 1) - end);
+    DBUG_ASSERT(bitmap->used_size <= bitmap->total_size);
+  }
   /*
     We can't check maria_bitmap_marker here as if the bitmap page
     previously had a true checksum and the user switched mode to not checksum
@@ -1067,7 +1090,10 @@ static my_bool _ma_read_bitmap_page(MARIA_HA *info,
 
 #ifndef DBUG_OFF
   if (!res)
+  {
     memcpy(bitmap->map + bitmap->block_size, bitmap->map, bitmap->block_size);
+    _ma_check_bitmap(bitmap);
+  }
 #endif
   DBUG_RETURN(res);
 }
@@ -1097,6 +1123,8 @@ static my_bool _ma_change_bitmap_page(MARIA_HA *info,
 {
   DBUG_ENTER("_ma_change_bitmap_page");
 
+  _ma_check_bitmap(bitmap);
+
   /*
     We have to mark the file changed here, as otherwise the following
     read/write to pagecache may force a page out from this file, which would
@@ -1228,6 +1256,9 @@ static void fill_block(MARIA_FILE_BITMAP *bitmap,
      This is defined as the first page of the set of pages
      with the smallest free space that can hold 'size'.
 
+   NOTES
+     Updates bitmap->full_head_size while scanning data
+
    RETURN
     0   ok    (block is updated)
     1   error (no space in bitmap; block is not touched)
@@ -1238,10 +1269,11 @@ static my_bool allocate_head(MARIA_FILE_BITMAP *bitmap, uint size,
                              MARIA_BITMAP_BLOCK *block)
 {
   uint min_bits= size_to_head_pattern(bitmap, size);
-  uchar *data= bitmap->map, *end= data + bitmap->used_size;
+  uchar *data, *end;
   uchar *best_data= 0;
   uint best_bits= (uint) -1, UNINIT_VAR(best_pos);
-  uint first_pattern= 0; /* if doing insert_order */
+  my_bool first_pattern= 0; /* if doing insert_order */
+  my_bool first_found= 1;
   MARIA_SHARE *share= bitmap->share;
   my_bool insert_order=
       MY_TEST(share->base.extra_options & MA_EXTRA_OPTIONS_INSERT_ORDER);
@@ -1249,16 +1281,19 @@ static my_bool allocate_head(MARIA_FILE_BITMAP *bitmap, uint size,
 
   DBUG_ASSERT(size <= FULL_PAGE_SIZE(share));
 
+  end= bitmap->map + bitmap->used_size;
   if (insert_order && bitmap->page == share->last_insert_bitmap)
   {
     uint last_insert_page= share->last_insert_page;
     uint byte= 6 * (last_insert_page / 16);
     first_pattern= last_insert_page % 16;
-    DBUG_ASSERT(data + byte < end);
-    data+= byte;
+    data= bitmap->map+byte;
+    DBUG_ASSERT(data <= end);
   }
+  else
+    data= bitmap->map + (bitmap->full_head_size/6)*6;
 
-  for (; data < end; data+= 6)
+  for (; data < end; data+= 6, first_pattern= 0)
   {
     ulonglong bits= uint6korr(data);    /* 6 bytes = 6*8/3= 16 patterns */
     uint i;
@@ -1271,17 +1306,24 @@ static my_bool allocate_head(MARIA_FILE_BITMAP *bitmap, uint size,
     */
     if ((!bits && best_data) ||
         ((bits & 04444444444444444LL) == 04444444444444444LL))
-    {
-      first_pattern= 0; // always restart from 0 when moving to new 6-byte
       continue;
-    }
+
     for (i= first_pattern, bits >>= (3 * first_pattern); i < 16 ;
 	 i++, bits >>= 3)
     {
       uint pattern= (uint) (bits & 7);
+
+      if (pattern <= 3)                       /* Room for more data */
+      {
+        if (first_found)
+        {
+          first_found= 0;
+          bitmap->full_head_size= (uint)(data - bitmap->map);
+        }
+      }
       if (pattern <= min_bits)
       {
-        /* There is enough space here */
+        /* There is enough space here, check if we have found better */
         if ((int) pattern > (int) best_bits)
         {
           /*
@@ -1292,23 +1334,32 @@ static my_bool allocate_head(MARIA_FILE_BITMAP *bitmap, uint size,
           best_bits= pattern;
           best_data= data;
           best_pos= i;
-          if (pattern == min_bits)
+          if (pattern == min_bits || bitmap->return_first_match)
             goto found;                         /* Best possible match */
         }
       }
     }
-    first_pattern= 0; // always restart from 0 when moving to new 6-byte
   }
   if (!best_data)                               /* Found no place */
   {
     if (data >= bitmap->map + bitmap->total_size)
       DBUG_RETURN(1);                           /* No space in bitmap */
+    DBUG_ASSERT(uint6korr(data) == 0);
     /* Allocate data at end of bitmap */
-    bitmap->used_size+= 6;
-    set_if_smaller(bitmap->used_size, bitmap->total_size);
+    bitmap->used_size= (uint) (data - bitmap->map) + 6;
     best_data= data;
     best_pos= best_bits= 0;
   }
+  else
+  {
+    /*
+      This is not stricly needed as used_size should be alligned on 6,
+       but for easier debugging lets try to keep it more accurate
+    */
+    uint position= (uint)  (best_data - bitmap->map) + 6;
+    set_if_bigger(bitmap->used_size, position);
+  }
+  DBUG_ASSERT(bitmap->used_size <= bitmap->total_size);
 
 found:
   if (insert_order)
@@ -1341,12 +1392,15 @@ static my_bool allocate_tail(MARIA_FILE_BITMAP *bitmap, uint size,
                              MARIA_BITMAP_BLOCK *block)
 {
   uint min_bits= size_to_tail_pattern(bitmap, size);
-  uchar *data= bitmap->map, *end= data + bitmap->used_size;
-  uchar *best_data= 0;
+  uchar *data, *end, *best_data= 0;
+  my_bool first_found= 1;
   uint best_bits= (uint) -1, UNINIT_VAR(best_pos);
   DBUG_ENTER("allocate_tail");
   DBUG_PRINT("enter", ("size: %u", size));
 
+  data= bitmap->map + (bitmap->full_tail_size/6)*6;
+  end=  bitmap->map + bitmap->used_size;
+
   /*
     We have to add DIR_ENTRY_SIZE here as this is not part of the data size
     See call to allocate_tail() in find_tail().
@@ -1375,7 +1429,19 @@ static my_bool allocate_tail(MARIA_FILE_BITMAP *bitmap, uint size,
     for (i= 0; i < 16; i++, bits >>= 3)
     {
       uint pattern= (uint) (bits & 7);
-      if (pattern <= min_bits && (!pattern || pattern >= 5))
+
+      if (pattern == 0 ||
+          (pattern > FULL_HEAD_PAGE && pattern < FULL_TAIL_PAGE))
+      {
+        /* There is room for tail data */
+        if (first_found)
+        {
+          first_found= 0;
+          bitmap->full_tail_size= (uint)(data - bitmap->map);
+        }
+      }
+
+      if (pattern <= min_bits && (!pattern || pattern > FULL_HEAD_PAGE))
       {
         if ((int) pattern > (int) best_bits)
         {
@@ -1392,10 +1458,11 @@ static my_bool allocate_tail(MARIA_FILE_BITMAP *bitmap, uint size,
   {
     if (data >= bitmap->map + bitmap->total_size)
       DBUG_RETURN(1);
+    DBUG_ASSERT(uint6korr(data) == 0);
     /* Allocate data at end of bitmap */
     best_data= data;
-    bitmap->used_size+= 6;
-    set_if_smaller(bitmap->used_size, bitmap->total_size);
+    bitmap->used_size= (uint) (data - bitmap->map) + 6;
+    DBUG_ASSERT(bitmap->used_size <= bitmap->total_size);
     best_pos= best_bits= 0;
   }
 
@@ -1434,8 +1501,7 @@ static ulong allocate_full_pages(MARIA_FILE_BITMAP *bitmap,
                                  ulong pages_needed,
                                  MARIA_BITMAP_BLOCK *block, my_bool full_page)
 {
-  uchar *data= bitmap->map, *data_end= data + bitmap->used_size;
-  uchar *page_end= data + bitmap->total_size;
+  uchar *data, *data_end, *page_end;
   uchar *best_data= 0;
   uint min_size;
   uint best_area_size, UNINIT_VAR(best_prefix_area_size);
@@ -1449,6 +1515,10 @@ static ulong allocate_full_pages(MARIA_FILE_BITMAP *bitmap,
     min_size= BLOB_SEGMENT_MIN_SIZE;
   best_area_size= ~(uint) 0;
 
+  data= bitmap->map + (bitmap->full_head_size/6)*6;
+  data_end= bitmap->map + bitmap->used_size;
+  page_end= bitmap->map + bitmap->total_size;
+
   for (; data < page_end; data+= 6)
   {
     ulonglong bits= uint6korr(data);    /* 6 bytes = 6*8/3= 16 patterns */
@@ -1466,6 +1536,12 @@ static ulong allocate_full_pages(MARIA_FILE_BITMAP *bitmap,
       if ((bits= uint6korr(data)))
         break;
     }
+    /*
+      Check if we are end of bitmap. In this case we know that
+      the rest of the bitmap is usable
+    */
+    if (data >= data_end)
+      data= page_end;
     area_size= (uint) (data - data_start) / 6 * 16;
     if (area_size >= best_area_size)
       continue;
@@ -1823,7 +1899,7 @@ static my_bool allocate_blobs(MARIA_HA *info, MARIA_ROW *row)
 
 
 /*
-  Store in the bitmap the new size for a head page
+  Reserve the current head page
 
   SYNOPSIS
     use_head()
@@ -2225,7 +2301,7 @@ static my_bool set_page_bits(MARIA_HA *info, MARIA_FILE_BITMAP *bitmap,
                              pgcache_page_no_t page, uint fill_pattern)
 {
   pgcache_page_no_t bitmap_page;
-  uint offset_page, offset, tmp, org_tmp;
+  uint offset_page, offset, tmp, org_tmp, used_offset;
   uchar *data;
   DBUG_ENTER("set_page_bits");
   DBUG_ASSERT(fill_pattern <= 7);
@@ -2237,6 +2313,7 @@ static my_bool set_page_bits(MARIA_HA *info, MARIA_FILE_BITMAP *bitmap,
 
   /* Find page number from start of bitmap */
   offset_page= (uint) (page - bitmap->page - 1);
+
   /*
     Mark place used by reading/writing 2 bytes at a time to handle
     bitmaps in overlapping bytes
@@ -2248,11 +2325,37 @@ static my_bool set_page_bits(MARIA_HA *info, MARIA_FILE_BITMAP *bitmap,
   tmp= (tmp & ~(7 << offset)) | (fill_pattern << offset);
   if (tmp == org_tmp)
     DBUG_RETURN(0);                             /* No changes */
-  int2store(data, tmp);
 
+  /*
+    Take care to not write bytes outside of bitmap.
+    fill_pattern is 3 bits, so we need to write two bytes
+    if bit position we write to is > (8-3)
+   */
+  if (offset > 5)
+    int2store(data, tmp);
+  else
+    data[0]= tmp;
+
+  /*
+    Reset full_head_size or full_tail_size if we are releasing data before
+    it. Increase used_size if we are allocating data.
+  */
+  used_offset= (uint) (data - bitmap->map);
+  if (fill_pattern < 4)
+    set_if_smaller(bitmap->full_head_size, used_offset);
+  if (fill_pattern == 0 || (fill_pattern > 4 && fill_pattern < 7))
+    set_if_smaller(bitmap->full_tail_size, used_offset);
+  if (fill_pattern != 0)
+  {
+    /* Calulcate which was the last changed byte */
+    used_offset+= offset > 5 ? 2 : 1;
+    set_if_bigger(bitmap->used_size, used_offset);
+  }
+
+  _ma_check_bitmap(bitmap);
   bitmap->changed= 1;
   DBUG_EXECUTE("bitmap", _ma_print_bitmap_changes(bitmap););
-  if (fill_pattern != 3 && fill_pattern != 7)
+  if (fill_pattern != FULL_HEAD_PAGE && fill_pattern != FULL_TAIL_PAGE)
     set_if_smaller(info->s->state.first_bitmap_with_space, bitmap_page);
   /*
     Note that if the condition above is false (page is full), and all pages of
@@ -2345,7 +2448,7 @@ my_bool _ma_bitmap_reset_full_page_bits(MARIA_HA *info,
                                         uint page_count)
 {
   ulonglong bitmap_page;
-  uint offset, bit_start, bit_count, tmp;
+  uint offset, bit_start, bit_count, tmp, byte_offset;
   uchar *data;
   DBUG_ENTER("_ma_bitmap_reset_full_page_bits");
   DBUG_PRINT("enter", ("page: %lu  page_count: %u", (ulong) page, page_count));
@@ -2365,7 +2468,8 @@ my_bool _ma_bitmap_reset_full_page_bits(MARIA_HA *info,
   bit_start= offset * 3;
   bit_count= page_count * 3;
 
-  data= bitmap->map + bit_start / 8;
+  byte_offset= bit_start/8;
+  data= bitmap->map + byte_offset;
   offset= bit_start & 7;
 
   tmp= (255 << offset);                         /* Bits to keep */
@@ -2376,6 +2480,9 @@ my_bool _ma_bitmap_reset_full_page_bits(MARIA_HA *info,
   }
   *data&= ~tmp;
 
+  set_if_smaller(bitmap->full_head_size, byte_offset);
+  set_if_smaller(bitmap->full_tail_size, byte_offset);
+
   if ((int) (bit_count-= (8 - offset)) > 0)
   {
     uint fill;
@@ -2477,6 +2584,8 @@ my_bool _ma_bitmap_set_full_page_bits(MARIA_HA *info,
     tmp= (1 << bit_count) - 1;
     *data|= tmp;
   }
+  set_if_bigger(bitmap->used_size, (uint) (data - bitmap->map) + 1);
+  _ma_check_bitmap(bitmap);
   bitmap->changed= 1;
   DBUG_EXECUTE("bitmap", _ma_print_bitmap_changes(bitmap););
   DBUG_RETURN(0);
@@ -2835,6 +2944,72 @@ my_bool _ma_check_bitmap_data(MARIA_HA *info, enum en_page_type page_type,
   return (bitmap_pattern != bits);
 }
 
+/**
+   Check that bitmap looks correct
+
+   - All data before full_head_size and full_tail_size are allocated
+   - There is no allocated data after used_size
+     All of the above need to be correct only according to 6 byte
+     alignment as all loops reads 6 bytes at a time and we check both
+     start and end position according to the current 6 byte position.
+*/
+
+#ifndef DBUG_OFF
+static void _ma_check_bitmap(MARIA_FILE_BITMAP *bitmap)
+{
+  uchar *data= bitmap->map;
+  uchar *end=  bitmap->map + bitmap->total_size;
+  uchar *full_head_end=0, *full_tail_end=0, *first_empty= bitmap->map;
+
+  for (; data < end; data+= 6)
+  {
+    ulonglong bits= uint6korr(data);    /* 6 bytes = 6*8/3= 16 patterns */
+    uint i;
+
+    if (bits == 04444444444444444LL || bits == 0xffffffffffffLL)
+    {
+      first_empty= data + 6;
+      continue;                                 /* block fully used */
+    }
+    if (bits == 0)
+    {
+      if (!full_head_end)
+        full_head_end= data;
+      if (!full_tail_end)
+        full_tail_end= data;
+      continue;
+    }
+
+    first_empty= data + 6;
+    if (!full_head_end || !full_tail_end)
+    {
+      for (i= 0, bits >>= 0; i < 16 ; i++, bits >>= 3)
+      {
+        uint pattern= (uint) (bits & 7);
+        if (pattern == FULL_HEAD_PAGE || pattern == FULL_TAIL_PAGE)
+          continue;
+
+        if (pattern < 4 && !full_head_end)
+          full_head_end= data;
+        if ((pattern == 0 || (pattern > 4 && pattern < 7)) && !full_tail_end)
+          full_tail_end= data;
+      }
+    }
+  }
+  if (!full_head_end)
+    full_head_end= data;
+  if (!full_tail_end)
+    full_tail_end= data;
+
+  /* used_size must point after the last byte that had some data) */
+  DBUG_ASSERT(bitmap->used_size <= bitmap->total_size);
+  DBUG_ASSERT((bitmap->map + (bitmap->used_size+5)/6*6) >= first_empty);
+  /* full_xxxx_size can't point after the first block that has free data */
+  DBUG_ASSERT((bitmap->map + (bitmap->full_head_size/6*6)) <= full_head_end);
+  DBUG_ASSERT((bitmap->map + (bitmap->full_tail_size/6*6)) <= full_tail_end);
+}
+#endif
+
 
 /*
   Check if the page type matches the one that we have in the bitmap
@@ -3072,6 +3247,7 @@ static my_bool _ma_bitmap_create_missing(MARIA_HA *info,
   pgcache_page_no_t from, to;
   my_off_t data_file_length= share->state.state.data_file_length;
   DBUG_ENTER("_ma_bitmap_create_missing");
+  DBUG_PRINT("enter", ("page: %lld", (longlong) page));
 
   /* First (in offset order) bitmap page to create */
   if (data_file_length < block_size)
@@ -3124,7 +3300,8 @@ static my_bool _ma_bitmap_create_missing(MARIA_HA *info,
     only later as we are going to modify it very soon.
   */
   bzero(bitmap->map, bitmap->block_size);
-  bitmap->used_size= 0;
+  bitmap->used_size= bitmap->full_head_size= bitmap->full_tail_size= 0;
+  bitmap->changed=1;
 #ifndef DBUG_OFF
   /*
     Make a copy of the page to be able to print out bitmap changes during
diff --git a/storage/maria/ma_dynrec.c b/storage/maria/ma_dynrec.c
index e5c108a18c6..4edf733aa1f 100644
--- a/storage/maria/ma_dynrec.c
+++ b/storage/maria/ma_dynrec.c
@@ -275,7 +275,7 @@ my_bool _ma_update_blob_record(MARIA_HA *info, MARIA_RECORD_POS pos,
 {
   uchar *rec_buff;
   int error;
-  ulong reclength,extra;
+  ulong reclength,reclength2,extra;
 
   extra= (ALIGN_SIZE(MARIA_MAX_DYN_BLOCK_HEADER)+MARIA_SPLIT_LENGTH+
 	  MARIA_DYN_DELETE_BLOCK_HEADER);
@@ -293,11 +293,12 @@ my_bool _ma_update_blob_record(MARIA_HA *info, MARIA_RECORD_POS pos,
     my_errno= HA_ERR_OUT_OF_MEM; /* purecov: inspected */
     return(1);
   }
-  reclength= _ma_rec_pack(info,rec_buff+ALIGN_SIZE(MARIA_MAX_DYN_BLOCK_HEADER),
+  reclength2= _ma_rec_pack(info,rec_buff+ALIGN_SIZE(MARIA_MAX_DYN_BLOCK_HEADER),
 			 record);
+  DBUG_ASSERT(reclength2 <= reclength);
   error=update_dynamic_record(info,pos,
 			      rec_buff+ALIGN_SIZE(MARIA_MAX_DYN_BLOCK_HEADER),
-			      reclength);
+			      reclength2);
   my_safe_afree(rec_buff, reclength);
   return(error != 0);
 }
diff --git a/storage/maria/maria_def.h b/storage/maria/maria_def.h
index 716c0ef824c..2bc1b19604c 100644
--- a/storage/maria/maria_def.h
+++ b/storage/maria/maria_def.h
@@ -331,7 +331,10 @@ typedef struct st_maria_file_bitmap
   pgcache_page_no_t last_bitmap_page; /* Last possible bitmap page */
   my_bool changed;                     /* 1 if page needs to be written */
   my_bool changed_not_flushed;         /* 1 if some bitmap is not flushed */
+  my_bool return_first_match;          /* Shortcut find_head() */
   uint used_size;                      /* Size of bitmap head that is not 0 */
+  uint full_head_size;                 /* Where to start search for head */
+  uint full_tail_size;                 /* Where to start search for tail */
   uint flush_all_requested;            /**< If _ma_bitmap_flush_all waiting */
   uint waiting_for_flush_all_requested; /* If someone is waiting for above */
   uint non_flushable;                  /**< 0 if bitmap and log are in sync */
diff --git a/storage/rocksdb/ha_rocksdb.cc b/storage/rocksdb/ha_rocksdb.cc
index 3dd69659e1a..ee543399b92 100644
--- a/storage/rocksdb/ha_rocksdb.cc
+++ b/storage/rocksdb/ha_rocksdb.cc
@@ -2240,7 +2240,8 @@ public:
   }
 
   void set_sync(bool sync) override {
-    m_rocksdb_tx->GetWriteOptions()->sync = sync;
+    if (m_rocksdb_tx)
+      m_rocksdb_tx->GetWriteOptions()->sync = sync;
   }
 
   void release_lock(rocksdb::ColumnFamilyHandle *const column_family,
@@ -3154,10 +3155,20 @@ static int rocksdb_commit(handlerton* hton, THD* thd, bool commit_tx)
          - For a COMMIT statement that finishes a multi-statement transaction
          - For a statement that has its own transaction
       */
+
+      //  First, commit without syncing. This establishes the commit order
+      tx->set_sync(false);
       if (tx->commit()) {
         DBUG_RETURN(HA_ERR_ROCKSDB_COMMIT_FAILED);
       }
       thd_wakeup_subsequent_commits(thd, 0);
+
+      if (rocksdb_flush_log_at_trx_commit == FLUSH_LOG_SYNC)
+      {
+        rocksdb::Status s= rdb->FlushWAL(true);
+        if (!s.ok())
+          DBUG_RETURN(HA_ERR_INTERNAL_ERROR);
+      }
     } else {
       /*
         We get here when committing a statement within a transaction.
@@ -6145,7 +6156,7 @@ int ha_rocksdb::create_cfs(
     // Internal consistency check to make sure that data in TABLE and
     // Rdb_tbl_def structures matches. Either both are missing or both are
     // specified. Yes, this is critical enough to make it into SHIP_ASSERT.
-    SHIP_ASSERT(!table_arg->part_info == tbl_def_arg->base_partition().empty());
+    SHIP_ASSERT(IF_PARTITIONING(!table_arg->part_info,true) == tbl_def_arg->base_partition().empty());
 
     // Generate the name for the column family to use.
     bool per_part_match_found = false;
@@ -8384,7 +8395,7 @@ const std::string ha_rocksdb::generate_cf_name(const uint index,
       key_comment, table_arg, tbl_def_arg, per_part_match_found,
       RDB_CF_NAME_QUALIFIER);
 
-  if (table_arg->part_info != nullptr && !*per_part_match_found) {
+  if (IF_PARTITIONING(table_arg->part_info,nullptr) != nullptr && !*per_part_match_found) {
     // At this point we tried to search for a custom CF name for a partition,
     // but none was specified. Therefore default one will be used.
     return "";
diff --git a/storage/rocksdb/ha_rocksdb.h b/storage/rocksdb/ha_rocksdb.h
index ff715423f71..d28cb7552ed 100644
--- a/storage/rocksdb/ha_rocksdb.h
+++ b/storage/rocksdb/ha_rocksdb.h
@@ -1412,6 +1412,6 @@ private:
   Rdb_inplace_alter_ctx &operator=(const Rdb_inplace_alter_ctx &);
 };
 
-const int MYROCKS_MARIADB_PLUGIN_MATURITY_LEVEL= MariaDB_PLUGIN_MATURITY_BETA;
+const int MYROCKS_MARIADB_PLUGIN_MATURITY_LEVEL= MariaDB_PLUGIN_MATURITY_GAMMA;
 
 } // namespace myrocks
diff --git a/storage/rocksdb/mysql-test/rocksdb/r/mariadb_port_fixes.result b/storage/rocksdb/mysql-test/rocksdb/r/mariadb_port_fixes.result
index 021373be02a..27b1fd1e9af 100644
--- a/storage/rocksdb/mysql-test/rocksdb/r/mariadb_port_fixes.result
+++ b/storage/rocksdb/mysql-test/rocksdb/r/mariadb_port_fixes.result
@@ -69,15 +69,15 @@ set global rocksdb_strict_collation_check=@tmp_rscc;
 #
 select plugin_name, plugin_maturity from information_schema.plugins where plugin_name like '%rocksdb%';
 plugin_name	plugin_maturity
-ROCKSDB	Beta
-ROCKSDB_CFSTATS	Beta
-ROCKSDB_DBSTATS	Beta
-ROCKSDB_PERF_CONTEXT	Beta
-ROCKSDB_PERF_CONTEXT_GLOBAL	Beta
-ROCKSDB_CF_OPTIONS	Beta
-ROCKSDB_COMPACTION_STATS	Beta
-ROCKSDB_GLOBAL_INFO	Beta
-ROCKSDB_DDL	Beta
-ROCKSDB_INDEX_FILE_MAP	Beta
-ROCKSDB_LOCKS	Beta
-ROCKSDB_TRX	Beta
+ROCKSDB	Gamma
+ROCKSDB_CFSTATS	Gamma
+ROCKSDB_DBSTATS	Gamma
+ROCKSDB_PERF_CONTEXT	Gamma
+ROCKSDB_PERF_CONTEXT_GLOBAL	Gamma
+ROCKSDB_CF_OPTIONS	Gamma
+ROCKSDB_COMPACTION_STATS	Gamma
+ROCKSDB_GLOBAL_INFO	Gamma
+ROCKSDB_DDL	Gamma
+ROCKSDB_INDEX_FILE_MAP	Gamma
+ROCKSDB_LOCKS	Gamma
+ROCKSDB_TRX	Gamma
diff --git a/storage/rocksdb/rdb_datadic.cc b/storage/rocksdb/rdb_datadic.cc
index 9d4a0475fb2..75c131630a6 100644
--- a/storage/rocksdb/rdb_datadic.cc
+++ b/storage/rocksdb/rdb_datadic.cc
@@ -538,7 +538,7 @@ const std::string Rdb_key_def::parse_comment_for_qualifier(
   // NOTE: this means if you specify a qualifier for a specific partition it
   // will take precedence the 'table level' qualifier if one exists.
   std::string search_str_part;
-  if (table_arg->part_info != nullptr) {
+  if (IF_PARTITIONING(table_arg->part_info,nullptr) != nullptr) {
     std::string partition_name = tbl_def_arg->base_partition();
     DBUG_ASSERT(!partition_name.empty());
     search_str_part = gen_qualifier_for_table(qualifier, partition_name);
diff --git a/storage/spider/CMakeLists.txt b/storage/spider/CMakeLists.txt
index 14c50f35bd9..dec1cb4c6ba 100644
--- a/storage/spider/CMakeLists.txt
+++ b/storage/spider/CMakeLists.txt
@@ -34,6 +34,8 @@ IF(EXISTS ${PROJECT_SOURCE_DIR}/storage/mysql_storage_engine.cmake)
     ${CMAKE_SOURCE_DIR}/regex)
 
   MYSQL_STORAGE_ENGINE(SPIDER)
+ELSEIF(PLUGIN_PARTITION MATCHES "^NO$")
+  MESSAGE(STATUS "Spider is skipped because partitioning is disabled")
 ELSE()
   INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/spider/hs_client)
 
diff --git a/storage/tokudb/CMakeLists.txt b/storage/tokudb/CMakeLists.txt
index 702b2eaa2dd..aa5949b4860 100644
--- a/storage/tokudb/CMakeLists.txt
+++ b/storage/tokudb/CMakeLists.txt
@@ -4,6 +4,8 @@ IF(CMAKE_VERSION VERSION_LESS "2.8.9")
   MESSAGE(STATUS "CMake 2.8.9 or higher is required by TokuDB")
 ELSEIF(NOT HAVE_DLOPEN)
   MESSAGE(STATUS "dlopen is required by TokuDB")
+ELSEIF(NOT TARGET perfschema)
+  MESSAGE(STATUS "Performance Schema is required by TokuDB")
 ELSEIF(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR
        CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
 # tokudb requires F_NOCACHE or O_DIRECT, and designated initializers
diff --git a/win/upgrade_wizard/CMakeLists.txt b/win/upgrade_wizard/CMakeLists.txt
index dc4ef67387d..5f415e4960d 100644
--- a/win/upgrade_wizard/CMakeLists.txt
+++ b/win/upgrade_wizard/CMakeLists.txt
@@ -24,7 +24,7 @@ ELSE()
   SET(CMAKE_MFC_FLAG 1)
 ENDIF()
 # Enable exception handling (avoids warnings)
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc -DNO_WARN_MBCS_MFC_DEPRECATION")
 
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/sql)
 MYSQL_ADD_EXECUTABLE(mysql_upgrade_wizard