relnotes: add null logical replication item

Also move system view item to logical replication, mention "infinite
_error_ loops".

Reported-by: Euler Taveira, Takamichi Osumi, Amit Langote

Discussion: https://postgr.es/m/21e8ef3b-6ffb-49d8-867f-4622a4dffcf3@www.fastmail.com

Author: bmomjian

doc/src/sgml/release-15.sgml

@@ -568,17 +568,6 @@ Previously, such updates ran delete actions on the source partition and insert a
 </para>
 </listitem>
 
-<!--
-Author: Amit Kapila <akapila@postgresql.org>
-2021-12-08 [a61bff2bf] De-duplicate the result of pg_publication_tables view.
--->
-
-<listitem>
-<para>
-Remove incorrect duplicate partitions in system view pg_publication_tables (Hou Zhijie)
-</para>
-</listitem>
-
 <!--
 Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
 2022-04-02 [cfdd03f45] Allow CLUSTER on partitioned tables
@@ -1331,6 +1320,21 @@ The new CREATE_REPLICATION_SLOT option is called TWO_PHASE.  pg_recvlogical now
 </para>
 </listitem>
 
+<!--
+Author: Amit Kapila <akapila@postgresql.org>
+2022-03-30 [d5a9d86d8] Skip empty transactions for logical replication.
+-->
+
+<listitem>
+<para>
+Prevent logical replication of empty transactions (Ajin Cherian, Hou Zhijie, Euler Taveira)
+</para>
+
+<para>
+Previously, write transactions would send empty transactions to subscribers if subscribed tables were not modified.
+</para>
+</listitem>
+
 <!--
 Author: Michael Paquier <michael@paquier.xyz>
 2021-11-23 [1922d7c6e] Add SQL functions to monitor the directory contents of r
@@ -1346,11 +1350,6 @@ Specifically, the functions are pg_ls_logicalsnapdir(), pg_ls_logicalmapdir(), a
 </para>
 </listitem>
 
-<!--
-Author: Tom Lane <tgl@sss.pgh.pa.us>
-2021-11-02 [f3d4019da] Ensure consistent logical replication of datetime and fl
--->
-
 <!--
 Author: Amit Kapila <akapila@postgresql.org>
 2022-03-14 [705e20f85] Optionally disable subscriptions on error.
@@ -1362,7 +1361,7 @@ Allow subscribers to stop logical replication application on error (Osumi Takami
 </para>
 
 <para>
-This is enabled with the subscriber option "disable_on_error" and avoids possible infinite loops during stream application.
+This is enabled with the subscriber option "disable_on_error" and avoids possible infinite error loops during stream application.
 </para>
 </listitem>
 
@@ -1396,6 +1395,17 @@ Add system view pg_stat_subscription_stats to report on subscriber activity (Mas
 <para>
 New function pg_stat_reset_subscription_stats() allows the resetting of subscriber statistics.
 </para>
+</listitem>
+
+<!--
+Author: Amit Kapila <akapila@postgresql.org>
+2021-12-08 [a61bff2bf] De-duplicate the result of pg_publication_tables view.
+-->
+
+<listitem>
+<para>
+Remove incorrect duplicate partitions in system view pg_publication_tables (Hou Zhijie)
+</para>
 </listitem>
 
      </itemizedlist>