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- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Appendix E. Release Notes</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="xml-limits-conformance.html" title="D.3. XML Limits and Conformance to SQL/XML" /><link rel="next" href="release-12-4.html" title="E.1. Release 12.4" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">Appendix E. Release Notes</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="xml-limits-conformance.html" title="D.3. XML Limits and Conformance to SQL/XML">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="appendixes.html" title="Part VIII. Appendixes">Up</a></td><th width="60%" align="center">Part VIII. Appendixes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 12.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="release-12-4.html" title="E.1. Release 12.4">Next</a></td></tr></table><hr></hr></div><div class="appendix" id="RELEASE"><div class="titlepage"><div><div><h2 class="title">Appendix E. Release Notes</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="release-12-4.html">E.1. Release 12.4</a></span></dt><dd><dl><dt><span class="sect2"><a href="release-12-4.html#id-1.11.6.5.4">E.1.1. Migration to Version 12.4</a></span></dt><dt><span class="sect2"><a href="release-12-4.html#id-1.11.6.5.5">E.1.2. Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="release-12-3.html">E.2. Release 12.3</a></span></dt><dd><dl><dt><span class="sect2"><a href="release-12-3.html#id-1.11.6.6.4">E.2.1. Migration to Version 12.3</a></span></dt><dt><span class="sect2"><a href="release-12-3.html#id-1.11.6.6.5">E.2.2. Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="release-12-2.html">E.3. Release 12.2</a></span></dt><dd><dl><dt><span class="sect2"><a href="release-12-2.html#id-1.11.6.7.4">E.3.1. Migration to Version 12.2</a></span></dt><dt><span class="sect2"><a href="release-12-2.html#id-1.11.6.7.5">E.3.2. Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="release-12-1.html">E.4. Release 12.1</a></span></dt><dd><dl><dt><span class="sect2"><a href="release-12-1.html#id-1.11.6.8.4">E.4.1. Migration to Version 12.1</a></span></dt><dt><span class="sect2"><a href="release-12-1.html#id-1.11.6.8.5">E.4.2. Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="release-12.html">E.5. Release 12</a></span></dt><dd><dl><dt><span class="sect2"><a href="release-12.html#id-1.11.6.9.3">E.5.1. Overview</a></span></dt><dt><span class="sect2"><a href="release-12.html#id-1.11.6.9.4">E.5.2. Migration to Version 12</a></span></dt><dt><span class="sect2"><a href="release-12.html#id-1.11.6.9.5">E.5.3. Changes</a></span></dt><dt><span class="sect2"><a href="release-12.html#RELEASE-12-ACKNOWLEDGEMENTS">E.5.4. Acknowledgments</a></span></dt></dl></dd><dt><span class="sect1"><a href="release-prior.html">E.6. Prior Releases</a></span></dt></dl></div><p>
- The release notes contain the significant changes in each
- <span class="productname">PostgreSQL</span> release, with major features and migration
- issues listed at the top. The release notes do not contain changes
- that affect only a few users or changes that are internal and therefore not
- user-visible. For example, the optimizer is improved in almost every
- release, but the improvements are usually observed by users as simply
- faster queries.
- </p><p>
- A complete list of changes for each release can be obtained by
- viewing the <a class="link" href="git.html" title="I.1. Getting the Source via Git">Git</a> logs for each release.
- The <a class="ulink" href="https://www.postgresql.org/list/pgsql-committers/" target="_top"><code class="literal">pgsql-committers</code>
- email list</a> records all source code changes as well. There is also
- a <a class="ulink" href="https://git.postgresql.org/gitweb/?p=postgresql.git;a=summary" target="_top">web
- interface</a> that shows changes to specific files.
- </p><p>
- The name appearing next to each item represents the major developer for
- that item. Of course all changes involve community discussion and patch
- review, so each item is truly a community effort.
- </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="xml-limits-conformance.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendixes.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="release-12-4.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">D.3. XML Limits and Conformance to SQL/XML </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> E.1. Release 12.4</td></tr></table></div></body></html>
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