FYI, the current PG 16 release notes are available at:
https://momjian.us/pgsql_docs/release-16.html
I plan to add markup next week. I am sorry I was away most of July so
could not update this until now.
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Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
Only you can decide what is important to you.