Regression in a253a580

Thanks Sergey Fursov for spotting the issue.

Original patch by bkaluza. Tests and docs by humbertotm.

Regression in 917cc288.

Failure introduced in b6e48f51.

Regression in 3aa9ab39.

The exact metadata depends on the GDAL version.

Fixed #29416 -- Removed unnecesary subquery from GROUP BY clause on MySQL when using a RawSQL annotation.

Regression in 1d070d02.

Unused since d334f46b.

The docs contained a reference to the class
django.middleware.exception.ExceptionMiddleware. This class was introduced in
05c888ff. It was removed in 7d1b69db, but the documentation remained.

Reverted "Fixed #29324 -- Made Settings raise ImproperlyConfigured if SECRET_KEY is accessed and not set."

This reverts commit b3cffde5 due to
a regression and performance concerns.

Unused since 578711c3.

Thanks Ian Foote for finding this.

Regression in 620e9dd3.

Fixed #29414 -- Restored form inputs on admin inlines when the user doesn't have the change permission.

Regression in 825f0bed.