[New-bugs-announce] [issue42139] Synchronize What's New in 3.9 master and 3.9

[Terry J. Reedy]

New submission from Terry J. Reedy <tjreedy at udel.edu>:

Continuation of #41808, #41950, 9cf6752276e6fcfd0c23fdb064ad27f448aaaf75 (Langa, no diff).

Attached is a current diff (about 1/2 hour ago).  It appears to be all or almost all Langa's release edits in 9cf6752276e6fcfd0c23fdb064ad27f448aaaf75.  The important point is that all the +s are for the 3.9 version.  So the files can be synchronized easily by copying the 3.9 copy to master (each with separate workspaces).  I will re-update first to make sure to catch the changes in #41950.

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files: whatnew39-master-to-39.diff
keywords: patch
messages: 379513
nosy: gvanrossum, lukasz.langa, terry.reedy
priority: normal
severity: normal
stage: needs patch
status: open
title: Synchronize What's New in 3.9 master and 3.9
versions: Python 3.10
Added file: https://bugs.python.org/file49538/whatnew39-master-to-39.diff

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