Doc: make an editorial pass over the v15 release notes.

Rearrange, reword, clarify, fix markup, etc etc.

Also include commit bd8ac900d.
This commit is contained in:
Tom Lane 2022-09-23 18:22:33 -04:00
parent cea5aa988e
commit 2b14b5b5d9
1 changed files with 620 additions and 552 deletions

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