<listitem>

<para>

Allow <link linkend="custom-scan">custom scanprovders</link>

Allow <link linkend="custom-scan">custom scanproviders</link>

to indicate if they support projections (Sven Klemm)

</para>

<para>

The default is now that custom scan providers can't support

projections, so they need to be updated for this release.

The default is now that custom scan providers are assumed to not

support projections; those that do need to be updated for this

release.

</para>

</listitem>

<listitem>

<para>

Enable system and <link

linkend="storage-toast"><acronym>TOAST</acronym></link> btree

indexes to efficiently store duplicates (Peter Geoghegan)

Allow btree indexes on system and <link

linkend="storage-toast"><acronym>TOAST</acronym></link>

tables to efficiently store duplicates (Peter Geoghegan)

</para>

<para>

</para>

</listitem>

<!--

Author: Tomas Vondra <tomas.vondra@postgresql.org>

2021-11-30 [5753d4ee3] Ignore BRIN indexes when checking for HOT udpates

-->

<listitem>

<para>

Prevent changes to columns only indexed by <link

linkend="brin"><acronym>BRIN</acronym></link> indexes from

disabling <acronym>HOT</acronym> updates (Josef Simanek)

</para>

</listitem>

<!--

Author: Peter Eisentraut <peter@eisentraut.org>

2022-02-03 [94aa7cc5f] Add UNIQUE null treatment option

</para>

<para>

Messages report the cause of the delay. The time interval for

The messages report the cause of the delay. The time interval for

notification is controlled by the new server variable <link

linkend="guc-log-startup-progress-interval"><varname>log_startup_progress_interval</varname></link>.

</para>

linkend="sql-createpublication"><command>CREATE PUBLICATION pub1

FOR ALL TABLES IN SCHEMA s1,s2;</command></link> <command>ALTER

PUBLICATION</command> supports a similar syntax. Tables added

to the listed schemas in the future will also be replicated.

laterto the listed schemas will also be replicated.

</para>

</listitem>

<listitem>

<para>

Allow subscribers to stop logical replicationapplication on error

Allow subscribers to stopthe application oflogical replicationchanges on error

(Osumi Takamichi, Mark Dilger)

</para>

<listitem>

<para>

Add newdefault<acronym>WAL</acronym>-logged method for <link

Add new <acronym>WAL</acronym>-logged method for <link

linkend="sql-createdatabase">database creation</link> (Dilip Kumar)

</para>

<para>

This avoids the need for checkpoints during database creation;

the old method is still available.

This is the new default for database creation and avoids the need

for checkpoints during database creation; the old method is still

available.

</para>

</listitem>

<listitem>

<para>

Allow <application>pg_basebackup</application> touse LZ4 and

Zstandardcompression onserver-side base backup files (Dipesh

Allow <application>pg_basebackup</application> todo LZ4 and

Zstandard server-side compression on base backup files (Dipesh

Pandit, Jeevan Ladhe)

</para>

</listitem>

<option>--compress</option> option to control the compression

method and options (Michael Paquier, Robert Haas)

</para>

<para>

New options include <literal>server-gzip</literal> (gzip

on the server), <literal>client-gzip</literal> (same as

<literal>gzip</literal>).

</para>

</listitem>

<!--

<listitem>

<para>

Have <application>pg_upgrade</application> preserverelfilenodes,

tablespace,and database OIDs between old and new clusters

Have <application>pg_upgrade</application> preservetablespace

and database OIDs, and relfilenodes between old and new clusters

(Shruthi KC, Antonin Houska)

</para>

</listitem>

</para>

<para>

Some internal-use-onlytypes have also been assigned this column.

Someotherinternal-use-onlyvalues have also been assigned to this column.

</para>

</listitem>