Added link to data migrations in initial data deprecation note
Added note to alphabetize AUTHORS.
Fixed typo in docs/ref/forms/validation.txt.
Made the vendored NamedTemporaryFile work as a context manager. Refs #22680.

This fixes a regression on Windows introduced by b7de5f5.

Thanks Tim Graham for the report and review.
Prevented markup escape in 'Welcome to Django' page

Fixes a regression introduced in 5f24cf9705. Refs #22635.
Thanks A.J. May for spotting the regression.
Fixed #22813 -- Updated Pillow URL in documentation
Fixed #22811 -- Allowed setting both the old and new TEST database settings.

An ImproperlyConfigured exception will be raised they mismatch.