doc PG 17 relnotes: clarify pg_upgrade and logical slot preserv.

Reported-by: Amit Kapila
Discussion: https://postgr.es/m/CAA4eK1+bChgccySmcm0LbvkmBDJ3ufsLneF4iNa_aZ7t2P6=8w@mail.gmail.com

Backpatch-through: 17 only

diff --git a/doc/src/sgml/release-17.sgml b/doc/src/sgml/release-17.sgml
index 3e4fe94a6463d8a9aebbd988ed738755fd230487..96463b92ef4a84ba6c5fc2892732fb34d69fd123 100644 (file)
--- a/doc/src/sgml/release-17.sgml
+++ b/doc/src/sgml/release-17.sgml
@@ -63,7 +63,10 @@
         <para>
          <link
           linkend="pgupgrade"><application>pg_upgrade</application></link> now
-          preserves replication slots on both publishers and subscribers
+          preserves logical replication slots on publishers and full
+          subscription state on subscribers.  This will allow upgrades
+          to future major versions to continue logical replication without
+          requiring copy to resynchronize.
         </para>
        </listitem>
       </itemizedlist>