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Preliminary release notes for releases 8.4.4, 8.3.11, 8.2.17, 8.1.21, 8.0.25,

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7.4.29.
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Tom Lane 2010-05-12 23:20:49 +00:00
parent 0c6b9308de
commit 8aad797362
6 changed files with 945 additions and 6 deletions
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106
doc/src/sgml/release-7.4.sgml
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@ -1,6 +1,110 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-7.4.sgml,v 1.6 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-7-4-29">
<title>Release 7.4.29</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 7.4.28.
For information about new features in the 7.4 major release, see
<xref linkend="release-7-4">.
</para>
<para>
The <productname>PostgreSQL</> community will stop releasing updates
for the 7.4.X release series in July 2010.
Users are encouraged to update to a newer release branch soon.
</para>
<sect2>
<title>Migration to Version 7.4.29</title>
<para>
A dump/restore is not required for those running 7.4.X.
However, if you are upgrading from a version earlier than 7.4.26,
see the release notes for 7.4.26.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-7-4-28">
<title>Release 7.4.28</title>

122
doc/src/sgml/release-8.0.sgml
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@ -1,6 +1,126 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.0.sgml,v 1.6 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-0-25">
<title>Release 8.0.25</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.0.24.
For information about new features in the 8.0 major release, see
<xref linkend="release-8-0">.
</para>
<para>
The <productname>PostgreSQL</> community will stop releasing updates
for the 8.0.X release series in July 2010.
Users are encouraged to update to a newer release branch soon.
</para>
<sect2>
<title>Migration to Version 8.0.25</title>
<para>
A dump/restore is not required for those running 8.0.X.
However, if you are upgrading from a version earlier than 8.0.22,
see the release notes for 8.0.22.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Prevent infinite recursion in <application>psql</> when expanding
a variable that refers to itself (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2010j
for DST law changes in Argentina, Australian Antarctic, Bangladesh,
Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia;
also historical corrections for Taiwan.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-0-24">
<title>Release 8.0.24</title>

116
doc/src/sgml/release-8.1.sgml
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@ -1,6 +1,120 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.1.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.1.sgml,v 1.6 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-1-21">
<title>Release 8.1.21</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.1.20.
For information about new features in the 8.1 major release, see
<xref linkend="release-8-1">.
</para>
<sect2>
<title>Migration to Version 8.1.21</title>
<para>
A dump/restore is not required for those running 8.1.X.
However, if you are upgrading from a version earlier than 8.1.18,
see the release notes for 8.1.18.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Prevent infinite recursion in <application>psql</> when expanding
a variable that refers to itself (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2010j
for DST law changes in Argentina, Australian Antarctic, Bangladesh,
Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia;
also historical corrections for Taiwan.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-1-20">
<title>Release 8.1.20</title>

163
doc/src/sgml/release-8.2.sgml
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@ -1,6 +1,167 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.2.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.2.sgml,v 1.6 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-2-17">
<title>Release 8.2.17</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.2.16.
For information about new features in the 8.2 major release, see
<xref linkend="release-8-2">.
</para>
<sect2>
<title>Migration to Version 8.2.17</title>
<para>
A dump/restore is not required for those running 8.2.X.
However, if you are upgrading from a version earlier than 8.2.14,
see the release notes for 8.2.14.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix possible crash if a cache reset message is received during
rebuild of a relcache entry (Heikki)
</para>
<para>
This error was introduced in 8.2.16 while fixing a related failure.
</para>
</listitem>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Prevent infinite recursion in <application>psql</> when expanding
a variable that refers to itself (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s <literal>\copy</> to not add spaces around
a dot within <literal>\copy (select ...)</> (Tom)
</para>
<para>
Addition of spaces around the decimal point in a numeric literal would
result in a syntax error.
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
<listitem>
<para>
Avoid possible crashes in syslogger process on Windows (Heikki)
</para>
</listitem>
<listitem>
<para>
Deal more robustly with incomplete time zone information in the
Windows registry (Magnus)
</para>
</listitem>
<listitem>
<para>
Update the set of known Windows time zone names (Magnus)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2010j
for DST law changes in Argentina, Australian Antarctic, Bangladesh,
Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia;
also historical corrections for Taiwan.
</para>
<para>
Also, add <literal>PKST</> (Pakistan Summer Time) to the default set of
timezone abbreviations.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-2-16">
<title>Release 8.2.16</title>

191
doc/src/sgml/release-8.3.sgml
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@ -1,6 +1,195 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.3.sgml,v 1.5 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.3.sgml,v 1.6 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-3-11">
<title>Release 8.3.11</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.3.10.
For information about new features in the 8.3 major release, see
<xref linkend="release-8-3">.
</para>
<sect2>
<title>Migration to Version 8.3.11</title>
<para>
A dump/restore is not required for those running 8.3.X.
However, if you are upgrading from a version earlier than 8.3.8,
see the release notes for 8.3.8.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix possible crash if a cache reset message is received during
rebuild of a relcache entry (Heikki)
</para>
<para>
This error was introduced in 8.3.10 while fixing a related failure.
</para>
</listitem>
<listitem>
<para>
Apply per-function GUC settings while running the language validator
for the function (Itagaki Takahiro)
</para>
<para>
This avoids failures if the function's code is invalid without the
setting; an example is that SQL functions may not parse if the
<varname>search_path</> is not correct.
</para>
</listitem>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Ensure the archiver process responds to changes in
<varname>archive_command</> as soon as possible (Tom)
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Prevent infinite recursion in <application>psql</> when expanding
a variable that refers to itself (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s <literal>\copy</> to not add spaces around
a dot within <literal>\copy (select ...)</> (Tom)
</para>
<para>
Addition of spaces around the decimal point in a numeric literal would
result in a syntax error.
</para>
</listitem>
<listitem>
<para>
Fix unnecessary <quote>GIN indexes do not support whole-index scans</>
errors for unsatisfiable queries using <filename>contrib/intarray</>
operators (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
<listitem>
<para>
Avoid possible crashes in syslogger process on Windows (Heikki)
</para>
</listitem>
<listitem>
<para>
Deal more robustly with incomplete time zone information in the
Windows registry (Magnus)
</para>
</listitem>
<listitem>
<para>
Update the set of known Windows time zone names (Magnus)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2010j
for DST law changes in Argentina, Australian Antarctic, Bangladesh,
Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia;
also historical corrections for Taiwan.
</para>
<para>
Also, add <literal>PKST</> (Pakistan Summer Time) to the default set of
timezone abbreviations.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-3-10">
<title>Release 8.3.10</title>

253
doc/src/sgml/release-8.4.sgml
View File

@ -1,6 +1,257 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.17 2010/03/10 01:58:11 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.4.sgml,v 1.18 2010/05/12 23:20:49 tgl Exp $ -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-8-4-4">
<title>Release 8.4.4</title>
<note>
<title>Release date</title>
<simpara>2010-05-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.4.3.
For information about new features in the 8.4 major release, see
<xref linkend="release-8-4">.
</para>
<sect2>
<title>Migration to Version 8.4.4</title>
<para>
A dump/restore is not required for those running 8.4.X.
However, if you are upgrading from a version earlier than 8.4.2,
see the release notes for 8.4.2.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix error during WAL replay of <literal>ALTER ... SET TABLESPACE</>
(Tom)
</para>
<para>
When <varname>archive_mode</> is on, <literal>ALTER ... SET TABLESPACE</>
generates a WAL record whose replay logic was incorrect. It could write
the data to the wrong place, leading to possibly-unrecoverable data
corruption. Data corruption would be observed on standby slaves, and
could occur on the master as well if a database crash and recovery
occurred after committing the <literal>ALTER</> and before the next
checkpoint.
</para>
</listitem>
<listitem>
<para>
Fix possible crash if a cache reset message is received during
rebuild of a relcache entry (Heikki)
</para>
<para>
This error was introduced in 8.4.3 while fixing a related failure.
</para>
</listitem>
<listitem>
<para>
Apply per-function GUC settings while running the language validator
for the function (Itagaki Takahiro)
</para>
<para>
This avoids failures if the function's code is invalid without the
setting; an example is that SQL functions may not parse if the
<varname>search_path</> is not correct.
</para>
</listitem>
<listitem>
<para>
Do constraint exclusion for inherited <command>UPDATE</> and
<command>DELETE</> target tables when
<varname>constraint_exclusion</> = <literal>partition</> (Tom)
</para>
<para>
Due to an oversight, this setting previously only caused constraint
exclusion to be checked in <command>SELECT</> commands.
</para>
</listitem>
<listitem>
<para>
Do not allow an unprivileged user to reset superuser-only parameter
settings (Alvaro)
</para>
<para>
Previously, if an unprivileged user ran <literal>ALTER USER ... RESET
ALL</> for himself, or <literal>ALTER DATABASE ... RESET ALL</> for
a database he owns, this would remove all special parameter settings
for the user or database, even ones that are only supposed to be
changeable by a superuser. Now, the <command>ALTER</> will only
remove the parameters that the user has permission to change.
</para>
</listitem>
<listitem>
<para>
Avoid possible crash during backend shutdown if shutdown occurs
when a <literal>CONTEXT</> addition would be made to log entries (Tom)
</para>
<para>
In some cases the context-printing function would fail because the
current transaction had already been rolled back when it came time
to print a log message.
</para>
</listitem>
<listitem>
<para>
Fix erroneous handling of <literal>%r</> parameter in
<varname>recovery_end_command</> (Heikki)
</para>
<para>
The value always came out zero.
</para>
</listitem>
<listitem>
<para>
Ensure the archiver process responds to changes in
<varname>archive_command</> as soon as possible (Tom)
</para>
</listitem>
<listitem>
<para>
Fix pl/pgsql's <literal>CASE</> statement to not fail when the
case expression is a query that returns no rows (Tom)
</para>
</listitem>
<listitem>
<para>
Update pl/perl's <filename>ppport.h</> for modern Perl versions
(Andrew)
</para>
</listitem>
<listitem>
<para>
Fix assorted memory leaks in pl/python (Andreas Freund, Tom)
</para>
</listitem>
<listitem>
<para>
Handle empty-string connect parameters properly in ecpg (Michael)
</para>
</listitem>
<listitem>
<para>
Prevent infinite recursion in <application>psql</> when expanding
a variable that refers to itself (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>psql</>'s <literal>\copy</> to not add spaces around
a dot within <literal>\copy (select ...)</> (Tom)
</para>
<para>
Addition of spaces around the decimal point in a numeric literal would
result in a syntax error.
</para>
</listitem>
<listitem>
<para>
Avoid formatting failure in <application>psql</> when running in a
locale context that doesn't match the <varname>client_encoding</>
(Tom)
</para>
</listitem>
<listitem>
<para>
Fix unnecessary <quote>GIN indexes do not support whole-index scans</>
errors for unsatisfiable queries using <filename>contrib/intarray</>
operators (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure that <filename>contrib/pgstattuple</> functions respond to cancel
interrupts promptly (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
Make server startup deal properly with the case that
<function>shmget()</> returns <literal>EINVAL</> for an existing
shared memory segment (Tom)
</para>
<para>
This behavior has been observed on BSD-derived kernels including OS X.
It resulted in an entirely-misleading startup failure complaining that
the shared memory request size was too large.
</para>
</listitem>
<listitem>
<para>
Avoid possible crashes in syslogger process on Windows (Heikki)
</para>
</listitem>
<listitem>
<para>
Deal more robustly with incomplete time zone information in the
Windows registry (Magnus)
</para>
</listitem>
<listitem>
<para>
Update the set of known Windows time zone names (Magnus)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2010j
for DST law changes in Argentina, Australian Antarctic, Bangladesh,
Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia;
also historical corrections for Taiwan.
</para>
<para>
Also, add <literal>PKST</> (Pakistan Summer Time) to the default set of
timezone abbreviations.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-4-3">
<title>Release 8.4.3</title>