Updated my AUTHORS entry.
Fixed #23625 -- Removed CacheClass shim
Fixed #23613 -- Deprecated django.utils.checksums
Fixed #23623 -- Reduced memory consumption when generating ModelChoiceField choices
Added Jaap Roes to AUTHORS
Fixed #23616 - Fixed generic relations in ModelAdmin.list_filter.

Thanks ranjur for reporting bug, timgraham for review,
and collinanderson for contributing tips.
Fixed #23631 -- Removed outdated note on MySQL timezone support.

Thanks marfire for the report.