This change is needed for upcoming changes where settings might be
grouped in a parent dictionary.
Thanks Tim Graham for the review.

Thanks to Petr Glotov for spotting this.

refs #23323.

Undocumented functions don't need to be mentioned.

Thanks blueyed for the report and Tim Graham for the review.

d562527a rename the db to using in the wrong signal.

Thanks Maik Hoepfel for the report.

Thanks to Trac alias flakfizer for the report.

Also adjusted the pre-release process to prevent future omissions.

Refs #20739. Thanks Raphaël Hertzog for the report and the initial
patch.

Thanks to Trac alias Markush2010 and ross for the detailed reports.

In the MySQL backend, updated the can_introspect_small_integer feature
flag to True. In data_types_reverse, map FIELD_TYPE.SHORT to a
SmallIntegerField. Added test to verify introspecting SmallIntegerFields
and fixed existing tests influenced by this change.

Thanks romankrv for the suggestion.

Thanks Mike O'Connor for the reporty.

Thanks Keryn Knight for the suggestion.

Thanks Mike O'Connor for the suggestions.

This can help when some exception has no error message.

Thanks Daniele Procida for review.

Refs #22632. Thanks Tim Graham for the review.