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Release notes for 9.5.2, 9.4.7, 9.3.12, 9.2.16, 9.1.21.

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206
doc/src/sgml/release-9.1.sgml
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@ -1,6 +1,212 @@
<!-- doc/src/sgml/release-9.1.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-1-21">
<title>Release 9.1.21</title>
<note>
<title>Release Date</title>
<simpara>2016-03-31</simpara>
</note>
<para>
This release contains a variety of fixes from 9.1.20.
For information about new features in the 9.1 major release, see
<xref linkend="release-9-1">.
</para>
<sect2>
<title>Migration to Version 9.1.21</title>
<para>
A dump/restore is not required for those running 9.1.X.
</para>
<para>
However, if you are upgrading from a version earlier than 9.1.16,
see <xref linkend="release-9-1-16">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix incorrect handling of NULL index entries in
indexed <literal>ROW()</> comparisons (Tom Lane)
</para>
<para>
An index search using a row comparison such as <literal>ROW(a, b) &gt;
ROW('x', 'y')</> would stop upon reaching a NULL entry in
the <structfield>b</> column, ignoring the fact that there might be
non-NULL <structfield>b</> values associated with later values
of <structfield>a</>.
</para>
</listitem>
<listitem>
<para>
Avoid unlikely data-loss scenarios due to renaming files without
adequate <function>fsync()</> calls before and after (Michael Paquier,
Tomas Vondra, Andres Freund)
</para>
</listitem>
<listitem>
<para>
Correctly handle cases where <literal>pg_subtrans</> is close to XID
wraparound during server startup (Jeff Janes)
</para>
</listitem>
<listitem>
<para>
Fix corner-case crash due to trying to free <function>localeconv()</>
output strings more than once (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix parsing of affix files for <literal>ispell</> dictionaries
(Tom Lane)
</para>
<para>
The code could go wrong if the affix file contained any characters
whose byte length changes during case-folding, for
example <literal>I</> in Turkish UTF8 locales.
</para>
</listitem>
<listitem>
<para>
Avoid use of <function>sscanf()</> to parse <literal>ispell</>
dictionary files (Artur Zakirov)
</para>
<para>
This dodges a portability problem on FreeBSD-derived platforms
(including OS X).
</para>
</listitem>
<listitem>
<para>
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an
AVX2-capable CPU and a Postgres build done with Visual Studio 2013
(Christian Ullrich)
</para>
<para>
This is a workaround for a bug in Visual Studio 2013's runtime
library, which Microsoft have stated they will not fix in that
version.
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion logic to handle multibyte
characters properly (Kyotaro Horiguchi, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion for
<literal>SECURITY LABEL</> (Tom Lane)
</para>
<para>
Pressing TAB after <literal>SECURITY LABEL</> might cause a crash
or offering of inappropriate keywords.
</para>
</listitem>
<listitem>
<para>
Make <application>pg_ctl</> accept a wait timeout from the
<envar>PGCTLTIMEOUT</> environment variable, if none is specified on
the command line (Noah Misch)
</para>
<para>
This eases testing of slower buildfarm members by allowing them
to globally specify a longer-than-normal timeout for postmaster
startup and shutdown.
</para>
</listitem>
<listitem>
<para>
Fix incorrect test for Windows service status
in <application>pg_ctl</> (Manuel Mathar)
</para>
<para>
The previous set of minor releases attempted to
fix <application>pg_ctl</> to properly determine whether to send log
messages to Window's Event Log, but got the test backwards.
</para>
</listitem>
<listitem>
<para>
Fix <application>pgbench</> to correctly handle the combination
of <literal>-C</> and <literal>-M prepared</> options (Tom Lane)
</para>
</listitem>
<listitem>
<para>
In PL/Perl, properly translate empty Postgres arrays into empty Perl
arrays (Alex Hunsaker)
</para>
</listitem>
<listitem>
<para>
Make PL/Python cope with function names that aren't valid Python
identifiers (Jim Nasby)
</para>
</listitem>
<listitem>
<para>
Fix multiple mistakes in the statistics returned
by <filename>contrib/pgstattuple</>'s <function>pgstatindex()</>
function (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Remove dependency on <literal>psed</> in MSVC builds, since it's no
longer provided by core Perl (Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016c
for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia
(Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus
historical corrections for Lithuania, Moldova, and Russia
(Kaliningrad, Samara, Volgograd).
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-1-20">
<title>Release 9.1.20</title>

206
doc/src/sgml/release-9.2.sgml
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@ -1,6 +1,212 @@
<!-- doc/src/sgml/release-9.2.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-2-16">
<title>Release 9.2.16</title>
<note>
<title>Release Date</title>
<simpara>2016-03-31</simpara>
</note>
<para>
This release contains a variety of fixes from 9.2.15.
For information about new features in the 9.2 major release, see
<xref linkend="release-9-2">.
</para>
<sect2>
<title>Migration to Version 9.2.16</title>
<para>
A dump/restore is not required for those running 9.2.X.
</para>
<para>
However, if you are upgrading from a version earlier than 9.2.11,
see <xref linkend="release-9-2-11">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix incorrect handling of NULL index entries in
indexed <literal>ROW()</> comparisons (Tom Lane)
</para>
<para>
An index search using a row comparison such as <literal>ROW(a, b) &gt;
ROW('x', 'y')</> would stop upon reaching a NULL entry in
the <structfield>b</> column, ignoring the fact that there might be
non-NULL <structfield>b</> values associated with later values
of <structfield>a</>.
</para>
</listitem>
<listitem>
<para>
Avoid unlikely data-loss scenarios due to renaming files without
adequate <function>fsync()</> calls before and after (Michael Paquier,
Tomas Vondra, Andres Freund)
</para>
</listitem>
<listitem>
<para>
Correctly handle cases where <literal>pg_subtrans</> is close to XID
wraparound during server startup (Jeff Janes)
</para>
</listitem>
<listitem>
<para>
Fix corner-case crash due to trying to free <function>localeconv()</>
output strings more than once (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix parsing of affix files for <literal>ispell</> dictionaries
(Tom Lane)
</para>
<para>
The code could go wrong if the affix file contained any characters
whose byte length changes during case-folding, for
example <literal>I</> in Turkish UTF8 locales.
</para>
</listitem>
<listitem>
<para>
Avoid use of <function>sscanf()</> to parse <literal>ispell</>
dictionary files (Artur Zakirov)
</para>
<para>
This dodges a portability problem on FreeBSD-derived platforms
(including OS X).
</para>
</listitem>
<listitem>
<para>
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an
AVX2-capable CPU and a Postgres build done with Visual Studio 2013
(Christian Ullrich)
</para>
<para>
This is a workaround for a bug in Visual Studio 2013's runtime
library, which Microsoft have stated they will not fix in that
version.
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion logic to handle multibyte
characters properly (Kyotaro Horiguchi, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion for
<literal>SECURITY LABEL</> (Tom Lane)
</para>
<para>
Pressing TAB after <literal>SECURITY LABEL</> might cause a crash
or offering of inappropriate keywords.
</para>
</listitem>
<listitem>
<para>
Make <application>pg_ctl</> accept a wait timeout from the
<envar>PGCTLTIMEOUT</> environment variable, if none is specified on
the command line (Noah Misch)
</para>
<para>
This eases testing of slower buildfarm members by allowing them
to globally specify a longer-than-normal timeout for postmaster
startup and shutdown.
</para>
</listitem>
<listitem>
<para>
Fix incorrect test for Windows service status
in <application>pg_ctl</> (Manuel Mathar)
</para>
<para>
The previous set of minor releases attempted to
fix <application>pg_ctl</> to properly determine whether to send log
messages to Window's Event Log, but got the test backwards.
</para>
</listitem>
<listitem>
<para>
Fix <application>pgbench</> to correctly handle the combination
of <literal>-C</> and <literal>-M prepared</> options (Tom Lane)
</para>
</listitem>
<listitem>
<para>
In PL/Perl, properly translate empty Postgres arrays into empty Perl
arrays (Alex Hunsaker)
</para>
</listitem>
<listitem>
<para>
Make PL/Python cope with function names that aren't valid Python
identifiers (Jim Nasby)
</para>
</listitem>
<listitem>
<para>
Fix multiple mistakes in the statistics returned
by <filename>contrib/pgstattuple</>'s <function>pgstatindex()</>
function (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Remove dependency on <literal>psed</> in MSVC builds, since it's no
longer provided by core Perl (Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016c
for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia
(Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus
historical corrections for Lithuania, Moldova, and Russia
(Kaliningrad, Samara, Volgograd).
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-2-15">
<title>Release 9.2.15</title>

219
doc/src/sgml/release-9.3.sgml
View File

@ -1,6 +1,225 @@
<!-- doc/src/sgml/release-9.3.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-3-12">
<title>Release 9.3.12</title>
<note>
<title>Release Date</title>
<simpara>2016-03-31</simpara>
</note>
<para>
This release contains a variety of fixes from 9.3.11.
For information about new features in the 9.3 major release, see
<xref linkend="release-9-3">.
</para>
<sect2>
<title>Migration to Version 9.3.12</title>
<para>
A dump/restore is not required for those running 9.3.X.
</para>
<para>
However, if you are upgrading from a version earlier than 9.3.9,
see <xref linkend="release-9-3-9">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix incorrect handling of NULL index entries in
indexed <literal>ROW()</> comparisons (Tom Lane)
</para>
<para>
An index search using a row comparison such as <literal>ROW(a, b) &gt;
ROW('x', 'y')</> would stop upon reaching a NULL entry in
the <structfield>b</> column, ignoring the fact that there might be
non-NULL <structfield>b</> values associated with later values
of <structfield>a</>.
</para>
</listitem>
<listitem>
<para>
Avoid unlikely data-loss scenarios due to renaming files without
adequate <function>fsync()</> calls before and after (Michael Paquier,
Tomas Vondra, Andres Freund)
</para>
</listitem>
<listitem>
<para>
Correctly handle cases where <literal>pg_subtrans</> is close to XID
wraparound during server startup (Jeff Janes)
</para>
</listitem>
<listitem>
<para>
Fix corner-case crash due to trying to free <function>localeconv()</>
output strings more than once (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix parsing of affix files for <literal>ispell</> dictionaries
(Tom Lane)
</para>
<para>
The code could go wrong if the affix file contained any characters
whose byte length changes during case-folding, for
example <literal>I</> in Turkish UTF8 locales.
</para>
</listitem>
<listitem>
<para>
Avoid use of <function>sscanf()</> to parse <literal>ispell</>
dictionary files (Artur Zakirov)
</para>
<para>
This dodges a portability problem on FreeBSD-derived platforms
(including OS X).
</para>
</listitem>
<listitem>
<para>
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an
AVX2-capable CPU and a Postgres build done with Visual Studio 2013
(Christian Ullrich)
</para>
<para>
This is a workaround for a bug in Visual Studio 2013's runtime
library, which Microsoft have stated they will not fix in that
version.
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion logic to handle multibyte
characters properly (Kyotaro Horiguchi, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion for
<literal>SECURITY LABEL</> (Tom Lane)
</para>
<para>
Pressing TAB after <literal>SECURITY LABEL</> might cause a crash
or offering of inappropriate keywords.
</para>
</listitem>
<listitem>
<para>
Make <application>pg_ctl</> accept a wait timeout from the
<envar>PGCTLTIMEOUT</> environment variable, if none is specified on
the command line (Noah Misch)
</para>
<para>
This eases testing of slower buildfarm members by allowing them
to globally specify a longer-than-normal timeout for postmaster
startup and shutdown.
</para>
</listitem>
<listitem>
<para>
Fix incorrect test for Windows service status
in <application>pg_ctl</> (Manuel Mathar)
</para>
<para>
The previous set of minor releases attempted to
fix <application>pg_ctl</> to properly determine whether to send log
messages to Window's Event Log, but got the test backwards.
</para>
</listitem>
<listitem>
<para>
Fix <application>pgbench</> to correctly handle the combination
of <literal>-C</> and <literal>-M prepared</> options (Tom Lane)
</para>
</listitem>
<listitem>
<para>
In <application>pg_upgrade</>, skip creating a deletion script when
the new data directory is inside the old data directory (Bruce
Momjian)
</para>
<para>
Blind application of the script in such cases would result in loss of
the new data directory.
</para>
</listitem>
<listitem>
<para>
In PL/Perl, properly translate empty Postgres arrays into empty Perl
arrays (Alex Hunsaker)
</para>
</listitem>
<listitem>
<para>
Make PL/Python cope with function names that aren't valid Python
identifiers (Jim Nasby)
</para>
</listitem>
<listitem>
<para>
Fix multiple mistakes in the statistics returned
by <filename>contrib/pgstattuple</>'s <function>pgstatindex()</>
function (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Remove dependency on <literal>psed</> in MSVC builds, since it's no
longer provided by core Perl (Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016c
for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia
(Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus
historical corrections for Lithuania, Moldova, and Russia
(Kaliningrad, Samara, Volgograd).
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-3-11">
<title>Release 9.3.11</title>

271
doc/src/sgml/release-9.4.sgml
View File

@ -1,6 +1,277 @@
<!-- doc/src/sgml/release-9.4.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-4-7">
<title>Release 9.4.7</title>
<note>
<title>Release Date</title>
<simpara>2016-03-31</simpara>
</note>
<para>
This release contains a variety of fixes from 9.4.6.
For information about new features in the 9.4 major release, see
<xref linkend="release-9-4">.
</para>
<sect2>
<title>Migration to Version 9.4.7</title>
<para>
A dump/restore is not required for those running 9.4.X.
</para>
<para>
However, if you are upgrading from a version earlier than 9.4.6,
see <xref linkend="release-9-4-6">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix incorrect handling of NULL index entries in
indexed <literal>ROW()</> comparisons (Tom Lane)
</para>
<para>
An index search using a row comparison such as <literal>ROW(a, b) &gt;
ROW('x', 'y')</> would stop upon reaching a NULL entry in
the <structfield>b</> column, ignoring the fact that there might be
non-NULL <structfield>b</> values associated with later values
of <structfield>a</>.
</para>
</listitem>
<listitem>
<para>
Avoid unlikely data-loss scenarios due to renaming files without
adequate <function>fsync()</> calls before and after (Michael Paquier,
Tomas Vondra, Andres Freund)
</para>
</listitem>
<listitem>
<para>
Fix bug in <function>json_to_record()</> when a field of its input
object contains a sub-object with a field name matching one of the
requested output column names (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix misformatting of negative time zone offsets
by <function>to_char()</>'s <literal>OF</> format code
(Thomas Munro, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Ignore <xref linkend="recovery-min-apply-delay"> parameter until
recovery has reached a consistent state (Michael Paquier)
</para>
<para>
Previously, standby servers would delay application of WAL records in
response to <varname>recovery_min_apply_delay</> even while replaying
the initial portion of WAL needed to make their database state valid.
Since the standby is useless until it's reached a consistent database
state, this was deemed unhelpful.
</para>
</listitem>
<listitem>
<para>
Correctly handle cases where <literal>pg_subtrans</> is close to XID
wraparound during server startup (Jeff Janes)
</para>
</listitem>
<listitem>
<para>
Fix assorted bugs in logical decoding (Andres Freund)
</para>
<para>
Trouble cases included tuples larger than one page when replica
identity is <literal>FULL</>, <command>UPDATE</>s that change a
primary key within a transaction large enough to be spooled to disk,
incorrect reports of <quote>subxact logged without previous toplevel
record</>, and incorrect reporting of a transaction's commit time.
</para>
</listitem>
<listitem>
<para>
Fix planner error with nested security barrier views when the outer
view has a <literal>WHERE</> clause containing a correlated subquery
(Dean Rasheed)
</para>
</listitem>
<listitem>
<para>
Fix corner-case crash due to trying to free <function>localeconv()</>
output strings more than once (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Fix parsing of affix files for <literal>ispell</> dictionaries
(Tom Lane)
</para>
<para>
The code could go wrong if the affix file contained any characters
whose byte length changes during case-folding, for
example <literal>I</> in Turkish UTF8 locales.
</para>
</listitem>
<listitem>
<para>
Avoid use of <function>sscanf()</> to parse <literal>ispell</>
dictionary files (Artur Zakirov)
</para>
<para>
This dodges a portability problem on FreeBSD-derived platforms
(including OS X).
</para>
</listitem>
<listitem>
<para>
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an
AVX2-capable CPU and a Postgres build done with Visual Studio 2013
(Christian Ullrich)
</para>
<para>
This is a workaround for a bug in Visual Studio 2013's runtime
library, which Microsoft have stated they will not fix in that
version.
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion logic to handle multibyte
characters properly (Kyotaro Horiguchi, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s tab completion for
<literal>SECURITY LABEL</> (Tom Lane)
</para>
<para>
Pressing TAB after <literal>SECURITY LABEL</> might cause a crash
or offering of inappropriate keywords.
</para>
</listitem>
<listitem>
<para>
Make <application>pg_ctl</> accept a wait timeout from the
<envar>PGCTLTIMEOUT</> environment variable, if none is specified on
the command line (Noah Misch)
</para>
<para>
This eases testing of slower buildfarm members by allowing them
to globally specify a longer-than-normal timeout for postmaster
startup and shutdown.
</para>
</listitem>
<listitem>
<para>
Fix incorrect test for Windows service status
in <application>pg_ctl</> (Manuel Mathar)
</para>
<para>
The previous set of minor releases attempted to
fix <application>pg_ctl</> to properly determine whether to send log
messages to Window's Event Log, but got the test backwards.
</para>
</listitem>
<listitem>
<para>
Fix <application>pgbench</> to correctly handle the combination
of <literal>-C</> and <literal>-M prepared</> options (Tom Lane)
</para>
</listitem>
<listitem>
<para>
In <application>pg_upgrade</>, skip creating a deletion script when
the new data directory is inside the old data directory (Bruce
Momjian)
</para>
<para>
Blind application of the script in such cases would result in loss of
the new data directory.
</para>
</listitem>
<listitem>
<para>
In PL/Perl, properly translate empty Postgres arrays into empty Perl
arrays (Alex Hunsaker)
</para>
</listitem>
<listitem>
<para>
Make PL/Python cope with function names that aren't valid Python
identifiers (Jim Nasby)
</para>
</listitem>
<listitem>
<para>
Fix multiple mistakes in the statistics returned
by <filename>contrib/pgstattuple</>'s <function>pgstatindex()</>
function (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Remove dependency on <literal>psed</> in MSVC builds, since it's no
longer provided by core Perl (Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016c
for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia
(Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus
historical corrections for Lithuania, Moldova, and Russia
(Kaliningrad, Samara, Volgograd).
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-4-6">
<title>Release 9.4.6</title>

668
doc/src/sgml/release-9.5.sgml
View File

@ -1,6 +1,674 @@
<!-- doc/src/sgml/release-9.5.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-5-2">
<title>Release 9.5.2</title>
<note>
<title>Release Date</title>
<simpara>2016-03-31</simpara>
</note>
<para>
This release contains a variety of fixes from 9.5.1.
For information about new features in the 9.5 major release, see
<xref linkend="release-9-5">.
</para>
<sect2>
<title>Migration to Version 9.5.2</title>
<para>
A dump/restore is not required for those running 9.5.X.
</para>
<para>
However, you may need to <command>REINDEX</> some indexes after applying
the update, as per the first changelog entry below.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<!--
Author: Robert Haas <rhaas@postgresql.org>
Branch: master [3df9c374e] 2016-03-23 16:03:13 -0400
Branch: REL9_5_STABLE [8aa6e9780] 2016-03-23 16:04:35 -0400
-->
<listitem>
<para>
Disable abbreviated keys for string sorting in non-<literal>C</>
locales (Robert Haas)
</para>
<para>
<productname>PostgreSQL</> 9.5 introduced logic for speeding up
comparisons of string data types by using the standard C library
function <function>strxfrm()</> as a substitute
for <function>strcoll()</>. It now emerges that most versions of
glibc (Linux's implementation of the C library) have buggy
implementations of <function>strxfrm()</> that, in some locales,
can produce string comparison results that do not
match <function>strcoll()</>. Until this problem can be better
characterized, disable the optimization in all non-<literal>C</>
locales. (<literal>C</> locale is safe since it uses
neither <function>strcoll()</> nor <function>strxfrm()</>.)
</para>
<para>
Unfortunately, this problem affects not only sorting but also entry
ordering in B-tree indexes, which means that B-tree indexes
on <type>text</>, <type>varchar</>, or <type>char</> columns may now
be corrupt if they sort according to an affected locale and were
built or modified under <productname>PostgreSQL</> 9.5.0 or 9.5.1.
Users should <command>REINDEX</> indexes that might be affected.
</para>
<para>
It is not possible at this time to give an exhaustive list of
known-affected locales. <literal>C</> locale is known safe, and
there is no evidence of trouble in English-based locales such
as <literal>en_US</>, but some other popular locales such
as <literal>de_DE</> are affected in most glibc versions.
</para>
</listitem>
<!--
Author: Simon Riggs <simon@2ndQuadrant.com>
Branch: master [c7111d11b] 2016-03-03 09:53:43 +0000
Branch: REL9_5_STABLE [bf7ced5e2] 2016-03-03 09:50:38 +0000
-->
<listitem>
<para>
Fix incorrect handling of indexed <literal>ROW()</> comparisons
(Simon Riggs)
</para>
<para>
Flaws in a minor optimization introduced in 9.5 caused incorrect
results if the <literal>ROW()</> comparison matches the index ordering
partially but not exactly (for example, differing column order, or the
index contains both <literal>ASC</> and <literal>DESC</> columns).
Pending a better solution, the optimization has been removed.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a298a1e06] 2016-03-09 14:51:22 -0500
Branch: REL9_5_STABLE [b2ce9485b] 2016-03-09 14:51:01 -0500
Branch: REL9_4_STABLE [da936200d] 2016-03-09 14:51:01 -0500
Branch: REL9_3_STABLE [1ab7a160f] 2016-03-09 14:51:01 -0500
Branch: REL9_2_STABLE [c8e059724] 2016-03-09 14:51:01 -0500
Branch: REL9_1_STABLE [d485d9581] 2016-03-09 14:51:02 -0500
-->
<listitem>
<para>
Fix incorrect handling of NULL index entries in
indexed <literal>ROW()</> comparisons (Tom Lane)
</para>
<para>
An index search using a row comparison such as <literal>ROW(a, b) &gt;
ROW('x', 'y')</> would stop upon reaching a NULL entry in
the <structfield>b</> column, ignoring the fact that there might be
non-NULL <structfield>b</> values associated with later values
of <structfield>a</>.
</para>
</listitem>
<!--
Author: Andres Freund <andres@anarazel.de>
Branch: master [1d4a0ab19] 2016-03-09 18:53:53 -0800
Branch: REL9_5_STABLE [301cc3549] 2016-03-09 18:53:53 -0800
Branch: REL9_4_STABLE [4f37d0916] 2016-03-09 18:53:54 -0800
Branch: REL9_3_STABLE [bfa282a02] 2016-03-09 18:53:54 -0800
Branch: REL9_2_STABLE [ce8f42919] 2016-03-09 18:53:54 -0800
Branch: REL9_1_STABLE [a62714fae] 2016-03-09 18:53:54 -0800
Branch: master [606e0f984] 2016-03-09 18:53:53 -0800
Branch: REL9_5_STABLE [63b06e8fa] 2016-03-09 18:53:53 -0800
Branch: REL9_4_STABLE [43b491a81] 2016-03-09 18:53:54 -0800
Branch: REL9_3_STABLE [e069848a3] 2016-03-09 18:53:54 -0800
Branch: REL9_2_STABLE [c224d44f7] 2016-03-09 18:53:54 -0800
Branch: REL9_1_STABLE [d0e47bcd4] 2016-03-09 18:53:54 -0800
-->
<listitem>
<para>
Avoid unlikely data-loss scenarios due to renaming files without
adequate <function>fsync()</> calls before and after (Michael Paquier,
Tomas Vondra, Andres Freund)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [71404af2a] 2016-03-22 17:56:20 -0400
Branch: REL9_5_STABLE [d8d5a00b1] 2016-03-22 17:56:06 -0400
-->
<listitem>
<para>
Fix incorrect behavior when rechecking a just-modified row in a query
that does <command>SELECT FOR UPDATE/SHARE</> and contains some
relations that need not be locked (Tom Lane)
</para>
<para>
Rows from non-locked relations were incorrectly treated as containing
all NULLs during the recheck, which could result in incorrectly
deciding that the updated row no longer passes the <literal>WHERE</>
condition, or in incorrectly outputting NULLs.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a9d199f6d] 2016-03-02 23:31:39 -0500
Branch: REL9_5_STABLE [429d68465] 2016-03-02 23:31:39 -0500
Branch: REL9_4_STABLE [597e41e45] 2016-03-02 23:31:39 -0500
-->
<listitem>
<para>
Fix bug in <function>json_to_record()</> when a field of its input
object contains a sub-object with a field name matching one of the
requested output column names (Tom Lane)
</para>
</listitem>
<!--
Author: Andrew Dunstan <andrew@dunslane.net>
Branch: master [94c745eb1] 2016-02-21 10:30:49 -0500
Branch: REL9_5_STABLE [68d68ff83] 2016-02-21 10:40:39 -0500
-->
<listitem>
<para>
Fix nonsense result from two-argument form
of <function>jsonb_object()</> when called with empty arrays
(Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [384dfbde1] 2016-03-23 10:43:13 -0400
Branch: REL9_5_STABLE [5f95521b3] 2016-03-23 10:43:24 -0400
-->
<listitem>
<para>
Fix misbehavior in <function>jsonb_set()</> when converting a path
array element into an integer for use as an array subscript
(Michael Paquier)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [55c3a04d6] 2016-03-17 15:50:33 -0400
Branch: REL9_5_STABLE [d0a585c69] 2016-03-17 15:50:33 -0400
Branch: REL9_4_STABLE [17a250b18] 2016-03-17 15:50:33 -0400
-->
<listitem>
<para>
Fix misformatting of negative time zone offsets
by <function>to_char()</>'s <literal>OF</> format code
(Thomas Munro, Tom Lane)
</para>
</listitem>
<!--
Author: Stephen Frost <sfrost@snowman.net>
Branch: master [fd658dbb3] 2016-03-15 18:04:39 -0400
Branch: REL9_5_STABLE [3f14d8d59] 2016-03-15 18:04:48 -0400
-->
<listitem>
<para>
Fix possible incorrect logging of waits done by
<command>INSERT ... ON CONFLICT</> (Peter Geoghegan)
</para>
<para>
Log messages would sometimes claim that the wait was due to an
exclusion constraint although no such constraint was responsible.
</para>
</listitem>
<!--
Author: Fujii Masao <fujii@postgresql.org>
Branch: master [d34794f7d] 2016-03-06 02:29:04 +0900
Branch: REL9_5_STABLE [f95f1ce00] 2016-03-06 02:43:17 +0900
Branch: REL9_4_STABLE [a9613ee69] 2016-03-06 02:43:26 +0900
-->
<listitem>
<para>
Ignore <xref linkend="recovery-min-apply-delay"> parameter until
recovery has reached a consistent state (Michael Paquier)
</para>
<para>
Previously, standby servers would delay application of WAL records in
response to <varname>recovery_min_apply_delay</> even while replaying
the initial portion of WAL needed to make their database state valid.
Since the standby is useless until it's reached a consistent database
state, this was deemed unhelpful.
</para>
</listitem>
<!--
Author: Simon Riggs <simon@2ndQuadrant.com>
Branch: master [481725c0b] 2016-02-19 08:31:12 +0000
Branch: REL9_5_STABLE [c479024d3] 2016-02-19 08:31:39 +0000
Branch: REL9_4_STABLE [6830cae5f] 2016-02-19 08:32:28 +0000
Branch: REL9_3_STABLE [71e3cff2e] 2016-02-19 08:33:33 +0000
Branch: REL9_2_STABLE [c063d3c43] 2016-02-19 08:33:52 +0000
Branch: REL9_1_STABLE [ca32f125b] 2016-02-19 08:35:02 +0000
-->
<listitem>
<para>
Correctly handle cases where <literal>pg_subtrans</> is close to XID
wraparound during server startup (Jeff Janes)
</para>
</listitem>
<!--
Author: Andres Freund <andres@anarazel.de>
Branch: master [c8f621c43] 2016-03-05 18:02:20 -0800
Branch: REL9_5_STABLE [5990a034a] 2016-03-05 18:02:20 -0800
Branch: REL9_4_STABLE [3b94b3a49] 2016-03-05 18:02:20 -0800
Branch: master [fd45d16f6] 2016-03-06 16:27:20 -0800
Branch: REL9_5_STABLE [5d1826fe7] 2016-03-06 16:27:20 -0800
Branch: REL9_4_STABLE [fb3ea0465] 2016-03-06 16:27:20 -0800
Branch: master [b63bea5fd] 2016-03-07 14:24:03 -0800
Branch: REL9_5_STABLE [250e5bd71] 2016-03-07 14:24:52 -0800
Branch: REL9_4_STABLE [e3e84fd35] 2016-03-07 14:24:58 -0800
Author: Andres Freund <andres@anarazel.de>
Branch: master [0bda14d54] 2016-03-05 18:02:20 -0800
Branch: REL9_5_STABLE [e76e365be] 2016-03-05 18:02:20 -0800
Branch: REL9_4_STABLE [a50f50a65] 2016-03-05 18:02:20 -0800
Author: Andres Freund <andres@anarazel.de>
Branch: master [d9e903f3c] 2016-03-05 18:02:20 -0800
Branch: REL9_5_STABLE [6e759cefe] 2016-03-05 18:02:20 -0800
Branch: REL9_4_STABLE [465dd92d9] 2016-03-05 18:02:20 -0800
Author: Andres Freund <andres@anarazel.de>
Branch: master [7c17aac69] 2016-03-02 23:42:21 -0800
Branch: REL9_5_STABLE [f8a75881f] 2016-03-02 23:43:42 -0800
-->
<listitem>
<para>
Fix assorted bugs in logical decoding (Andres Freund)
</para>
<para>
Trouble cases included tuples larger than one page when replica
identity is <literal>FULL</>, <command>UPDATE</>s that change a
primary key within a transaction large enough to be spooled to disk,
incorrect reports of <quote>subxact logged without previous toplevel
record</>, and incorrect reporting of a transaction's commit time.
</para>
</listitem>
<!--
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Branch: master [41fedc246] 2016-02-29 12:28:06 +0000
Branch: REL9_5_STABLE [f1dfcf63d] 2016-02-29 12:31:25 +0000
Branch: REL9_4_STABLE [9b69d5c1d] 2016-02-29 12:34:33 +0000
-->
<listitem>
<para>
Fix planner error with nested security barrier views when the outer
view has a <literal>WHERE</> clause containing a correlated subquery
(Dean Rasheed)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [ab4ff2889] 2016-03-13 16:44:31 -0400
Branch: REL9_5_STABLE [aa9c4e71c] 2016-03-13 16:44:10 -0400
-->
<listitem>
<para>
Fix memory leak in GIN index searches (Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [907e4dd2b] 2016-02-28 23:39:20 -0500
Branch: REL9_5_STABLE [2d43c45e9] 2016-02-28 23:40:04 -0500
Branch: REL9_4_STABLE [80c925c7b] 2016-02-28 23:40:13 -0500
Branch: REL9_3_STABLE [0c4457de8] 2016-02-28 23:40:21 -0500
Branch: REL9_2_STABLE [47792639c] 2016-02-28 23:40:28 -0500
Branch: REL9_1_STABLE [7d6c58aa1] 2016-02-28 23:40:35 -0500
-->
<listitem>
<para>
Fix corner-case crash due to trying to free <function>localeconv()</>
output strings more than once (Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [b3e05097e] 2016-03-06 19:20:55 -0500
Branch: REL9_5_STABLE [c2d61adc3] 2016-03-06 19:21:03 -0500
Branch: REL9_4_STABLE [3fa4715c5] 2016-03-06 19:21:03 -0500
Branch: REL9_3_STABLE [a35f85a52] 2016-03-06 19:21:03 -0500
Branch: REL9_2_STABLE [8894c9f79] 2016-03-06 19:21:03 -0500
Branch: REL9_1_STABLE [fe747b741] 2016-03-06 19:21:03 -0500
-->
<listitem>
<para>
Fix parsing of affix files for <literal>ispell</> dictionaries
(Tom Lane)
</para>
<para>
The code could go wrong if the affix file contained any characters
whose byte length changes during case-folding, for
example <literal>I</> in Turkish UTF8 locales.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [51e78ab4f] 2016-02-10 19:30:11 -0500
Branch: REL9_5_STABLE [b10635bb5] 2016-02-10 19:30:11 -0500
Branch: REL9_4_STABLE [19e469410] 2016-02-10 19:30:12 -0500
Branch: REL9_3_STABLE [24ce5754a] 2016-02-10 19:30:12 -0500
Branch: REL9_2_STABLE [64f99a2ee] 2016-02-10 19:30:12 -0500
Branch: REL9_1_STABLE [e56acbe2a] 2016-02-10 19:30:12 -0500
-->
<listitem>
<para>
Avoid use of <function>sscanf()</> to parse <literal>ispell</>
dictionary files (Artur Zakirov)
</para>
<para>
This dodges a portability problem on FreeBSD-derived platforms
(including OS X).
</para>
</listitem>
<!--
Author: Noah Misch <noah@leadboat.com>
Branch: master [5882ca668] 2016-02-19 22:47:50 -0500
Branch: REL9_5_STABLE [377a1af56] 2016-02-19 22:48:04 -0500
-->
<listitem>
<para>
Fix atomic-operations code used on PPC with IBM's xlc compiler
(Noah Misch)
</para>
<para>
This error led to rare failures of concurrent operations on that
platform.
</para>
</listitem>
<!--
Author: Magnus Hagander <magnus@hagander.net>
Branch: master [9d9038824] 2016-03-10 14:10:18 +0100
Branch: REL9_5_STABLE [ad9a15d3f] 2016-03-10 14:10:32 +0100
Branch: REL9_4_STABLE [8857488b6] 2016-03-10 14:10:41 +0100
Branch: REL9_3_STABLE [270d8a12e] 2016-03-10 14:10:48 +0100
Branch: REL9_2_STABLE [78b597808] 2016-03-10 14:10:54 +0100
Branch: REL9_1_STABLE [3e6385e27] 2016-03-10 14:11:01 +0100
-->
<listitem>
<para>
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an
AVX2-capable CPU and a Postgres build done with Visual Studio 2013
(Christian Ullrich)
</para>
<para>
This is a workaround for a bug in Visual Studio 2013's runtime
library, which Microsoft have stated they will not fix in that
version.
</para>
</listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
Branch: master [9445db925] 2016-03-04 11:53:20 -0500
Branch: REL9_5_STABLE [0315dfa8f] 2016-03-04 11:57:22 -0500
Branch: REL9_4_STABLE [8de488d00] 2016-03-04 11:57:23 -0500
Branch: REL9_3_STABLE [54139ac22] 2016-03-04 11:57:31 -0500
Branch: REL9_2_STABLE [c658d5a9b] 2016-03-04 11:57:36 -0500
Branch: REL9_1_STABLE [b4895bf79] 2016-03-04 11:57:40 -0500
-->
<listitem>
<para>
Fix <application>psql</>'s tab completion logic to handle multibyte
characters properly (Kyotaro Horiguchi, Robert Haas)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: REL9_5_STABLE [1bee54e51] 2016-03-14 11:31:22 -0400
Branch: REL9_4_STABLE [13108dd0e] 2016-03-14 11:31:34 -0400
Branch: REL9_3_STABLE [0576de5c7] 2016-03-14 11:31:39 -0400
Branch: REL9_2_STABLE [39b3ea714] 2016-03-14 11:31:44 -0400
Branch: REL9_1_STABLE [2d61d88d8] 2016-03-14 11:31:49 -0400
-->
<listitem>
<para>
Fix <application>psql</>'s tab completion for
<literal>SECURITY LABEL</> (Tom Lane)
</para>
<para>
Pressing TAB after <literal>SECURITY LABEL</> might cause a crash
or offering of inappropriate keywords.
</para>
</listitem>
<!--
Author: Noah Misch <noah@leadboat.com>
Branch: master [2ffa86962] 2016-02-10 20:34:02 -0500
Branch: REL9_5_STABLE [725f0ce29] 2016-02-10 20:34:24 -0500
Branch: REL9_4_STABLE [4492ab53b] 2016-02-10 20:34:30 -0500
Branch: REL9_3_STABLE [198242ede] 2016-02-10 20:34:35 -0500
Branch: REL9_2_STABLE [4421b5253] 2016-02-10 20:34:41 -0500
Branch: REL9_1_STABLE [f97664cf5] 2016-02-10 20:34:48 -0500
-->
<listitem>
<para>
Make <application>pg_ctl</> accept a wait timeout from the
<envar>PGCTLTIMEOUT</> environment variable, if none is specified on
the command line (Noah Misch)
</para>
<para>
This eases testing of slower buildfarm members by allowing them
to globally specify a longer-than-normal timeout for postmaster
startup and shutdown.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [b642e50ae] 2016-03-07 10:40:44 -0500
Branch: REL9_5_STABLE [45b87cc57] 2016-03-07 10:40:53 -0500
Branch: REL9_4_STABLE [89f8372cb] 2016-03-07 10:40:57 -0500
Branch: REL9_3_STABLE [b73e81605] 2016-03-07 10:41:01 -0500
Branch: REL9_2_STABLE [15d43196c] 2016-03-07 10:41:07 -0500
Branch: REL9_1_STABLE [5a39c7395] 2016-03-07 10:41:11 -0500
-->
<listitem>
<para>
Fix incorrect test for Windows service status
in <application>pg_ctl</> (Manuel Mathar)
</para>
<para>
The previous set of minor releases attempted to
fix <application>pg_ctl</> to properly determine whether to send log
messages to Window's Event Log, but got the test backwards.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [47211af17] 2016-03-16 23:18:07 -0400
Branch: REL9_5_STABLE [8ee2e5f78] 2016-03-16 23:18:07 -0400
Branch: REL9_4_STABLE [23cb32660] 2016-03-16 23:18:07 -0400
Branch: REL9_3_STABLE [c02aae418] 2016-03-16 23:18:07 -0400
Branch: REL9_2_STABLE [be6f9ea2e] 2016-03-16 23:18:08 -0400
Branch: REL9_1_STABLE [1965a8ce1] 2016-03-16 23:18:08 -0400
-->
<listitem>
<para>
Fix <application>pgbench</> to correctly handle the combination
of <literal>-C</> and <literal>-M prepared</> options (Tom Lane)
</para>
</listitem>
<!--
Author: Bruce Momjian <bruce@momjian.us>
Branch: master [3386f34cd] 2016-02-18 18:32:27 -0500
Branch: REL9_5_STABLE [6f43c4d34] 2016-02-18 18:32:26 -0500
Branch: REL9_4_STABLE [bec4d0ffb] 2016-02-18 18:32:26 -0500
Branch: REL9_3_STABLE [bf26c4f44] 2016-02-18 18:32:26 -0500
-->
<listitem>
<para>
In <application>pg_upgrade</>, skip creating a deletion script when
the new data directory is inside the old data directory (Bruce
Momjian)
</para>
<para>
Blind application of the script in such cases would result in loss of
the new data directory.
</para>
</listitem>
<!--
Author: Andres Freund <andres@anarazel.de>
Branch: master [e66197fa2] 2016-03-08 13:42:57 -0800
Branch: REL9_5_STABLE [68dababfe] 2016-03-08 13:42:58 -0800
Branch: REL9_4_STABLE [6041d388c] 2016-03-08 13:42:58 -0800
Branch: REL9_3_STABLE [44f9f1f2d] 2016-03-08 13:42:58 -0800
Branch: REL9_2_STABLE [ee06c97e4] 2016-03-08 13:42:58 -0800
Branch: REL9_1_STABLE [c5f1fbbfb] 2016-03-08 13:42:58 -0800
-->
<listitem>
<para>
In PL/Perl, properly translate empty Postgres arrays into empty Perl
arrays (Alex Hunsaker)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [66f503868] 2016-02-16 21:08:15 -0500
Branch: REL9_5_STABLE [2ce19f8a5] 2016-02-16 21:08:15 -0500
Branch: REL9_4_STABLE [f461fa7d0] 2016-02-16 21:08:15 -0500
Branch: REL9_3_STABLE [b3ec98c8b] 2016-02-16 21:08:15 -0500
Branch: REL9_2_STABLE [7d48349fd] 2016-02-16 21:08:15 -0500
Branch: REL9_1_STABLE [875973f5d] 2016-02-16 21:08:15 -0500
-->
<listitem>
<para>
Make PL/Python cope with function names that aren't valid Python
identifiers (Jim Nasby)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [48e6c943e] 2016-02-18 15:40:35 -0500
Branch: REL9_5_STABLE [0276bbd62] 2016-02-18 15:40:35 -0500
Branch: REL9_4_STABLE [b7547166f] 2016-02-18 15:40:35 -0500
Branch: REL9_3_STABLE [9dfb5b940] 2016-02-18 15:40:35 -0500
Branch: REL9_2_STABLE [29f299728] 2016-02-18 15:40:35 -0500
Branch: REL9_1_STABLE [0f359c7de] 2016-02-18 15:40:36 -0500
-->
<listitem>
<para>
Fix multiple mistakes in the statistics returned
by <filename>contrib/pgstattuple</>'s <function>pgstatindex()</>
function (Tom Lane)
</para>
</listitem>
<!--
Author: Andrew Dunstan <andrew@dunslane.net>
Branch: master [5d0320105] 2016-03-19 18:36:35 -0400
Branch: REL9_5_STABLE [2f38b3e7d] 2016-03-19 18:44:04 -0400
Branch: REL9_4_STABLE [6336ca916] 2016-03-19 18:49:19 -0400
Branch: REL9_3_STABLE [a0adf3852] 2016-03-19 18:51:01 -0400
Branch: REL9_2_STABLE [89bf78a9b] 2016-03-19 18:51:01 -0400
Branch: REL9_1_STABLE [2aa9fd963] 2016-03-19 18:59:41 -0400
-->
<listitem>
<para>
Remove dependency on <literal>psed</> in MSVC builds, since it's no
longer provided by core Perl (Michael Paquier, Andrew Dunstan)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [676265eb7] 2016-03-25 19:03:08 -0400
Branch: REL9_5_STABLE [31d02ebf7] 2016-03-25 19:03:24 -0400
Branch: REL9_4_STABLE [de371e68a] 2016-03-25 19:03:32 -0400
Branch: REL9_3_STABLE [8e16592d4] 2016-03-25 19:03:39 -0400
Branch: REL9_2_STABLE [96fa37459] 2016-03-25 19:03:47 -0400
Branch: REL9_1_STABLE [e5fd35cc5] 2016-03-25 19:03:54 -0400
-->
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016c
for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia
(Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus
historical corrections for Lithuania, Moldova, and Russia
(Kaliningrad, Samara, Volgograd).
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-5-1">
<title>Release 9.5.1</title>