doc: PG 16 relnotes, add freeze and update walinspect items

Reported-by: Peter Geoghegan

diff --git a/doc/src/sgml/release-16.sgml b/doc/src/sgml/release-16.sgml
index 5261585668d2e31731680e392eaa22a54c5df148..47f6cae907344ff100f4ff5722959de922bc9f53 100644 (file)
--- a/doc/src/sgml/release-16.sgml
+++ b/doc/src/sgml/release-16.sgml
@@ -340,6 +340,25 @@ Allow more efficient addition of multiple heap and index pages (Andres Freund)
 
 
 
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+During non-freeze operations, perform page freezing where appropriate (Peter Geoghegan)
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+This makes full-table freeze vacuums less necessary.
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