<!-- doc/src/sgml/release.sgml -->
<!--

Typical markup:

&<>                             use & escapes
PostgreSQL                      <productname>
postgresql.conf, pg_hba.conf    <filename>
\<[A-Z][A-Z_ ]+[A-Z_]\>         <command>, <literal>, <envar>, <acronym>
\<[A-Za-z_][A-Za-z0-9_]+()      <function>
\-\-?[A-Za-z_]+[-A-Za-z_]*      <option> (use backslashes to avoid SGML markup)
\<[A-Za-z_]+/[A-Za-z_]+\>       <filename>
psql                            <application>
pg_[A-Za-z0-9_]+                <application>, <structname>
\<[A-Z][A-Z][A-Z_ ]*\>          <type>
\<[a-z]+_[a-z_]+\>              <varname>, <structfield>
                                <systemitem class="osname">

non-ASCII characters            find using grep -P '[\x80-\xFF]'
                                convert to HTML4 named entity (&) escapes

        official:      http://www.w3.org/TR/html4/sgml/entities.html
        one page:      http://www.zipcon.net/~swhite/docs/computers/browsers/entities_page.html
        other lists:   http://www.zipcon.net/~swhite/docs/computers/browsers/entities.html
                       http://www.zipcon.net/~swhite/docs/computers/browsers/entities_page.html
                       https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references

        We cannot use UTF8 because back branches still use SGML Docbook,
        which does not support it.  Also, rendering engines have to
        support the referenced characters.

        Do not use numeric _UTF_ numeric character escapes (&#nnn;),
        we can only use Latin1.

        Example: Alvaro Herrera is &Aacute;lvaro Herrera
        Find non-ASCII characters (remove 'X'):
             grep -X-color='auto' -P -n "[\x80-\xFF]"

wrap long lines

For new features, add links to the documentation sections.

-->

<appendix id="release">
 <title>Release Notes</title>

  <para>
   The release notes contain the significant changes in each
   <productname>PostgreSQL</productname> 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.
  </para>

  <para>
   A complete list of changes for each release can be obtained by
   viewing the <link linkend="git">Git</link> logs for each release.
   The <ulink
   url="https://www.postgresql.org/list/pgsql-committers/"><literal>pgsql-committers</literal>
   email list</ulink> records all source code changes as well.  There is also
   a <ulink url="https://git.postgresql.org/gitweb/?p=postgresql.git;a=summary">web
   interface</ulink> that shows changes to specific files.
  </para>

  <para>
   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.
  </para>

<!--
  When beginning a new major-release series, create a new release-NN.sgml
  file, removing the previous one, and change the &-reference here.
  Don't forget to update filelist.sgml.

  The reason for keeping each branch's release notes in a differently-named
  file is to reduce confusion when preparing minor-release updates.
  All the active branches have to be edited concurrently when doing that.
-->

&release-16;

 <sect1 id="release-prior">
  <title>Prior Releases</title>

  <para>
   Release notes for prior release branches can be found at
   <ulink url="https://www.postgresql.org/docs/release/"><literal>https://www.postgresql.org/docs/release/</literal></ulink>
  </para>
 </sect1>

</appendix>
