- Enh #12901: Added `getDefaultHelpHeader` method to the `yii\console\controllers\HelpController` class to be able to override default help header in a class heir (diezztsk)
- Bug #12904: Fixed lowercase table name in migrations (zlakomanoff)
- Bug #12939: Hard coded table names for MSSQL in RBAC migration (arogachev)
- Enh #12015: Changed visibility `yii\db\ActiveQueryTrait::createModels()` from private to protected (ArekX, dynasource)