- Bug #8082: Fixed `yii\db\BaseActiveRecord::getAttributeLabel()` return wrong label for related attribute, if several relations in chain share same name (klimov-paul)
- Bug #8149: Fixed `yii\db\BaseActiveRecord::updateCounters()` fails for new record saved with counter attribute not set (klimov-paul)
- Bug #8158: Avoid exception when detecting console screen size fails on windows (EliasZ)
- Bug #8165: Fixed `yii\db\ActiveRelationTrait::populateRelation()` fails when `link` refers to string convertable object attribute, like `\MongoId` (klimov-paul)
- Enh #1468: Added ability to specify hints for model attributes via `attributeHints()` method (klimov-paul)
- Enh #3376: Added `yii\validators\EachValidator`, which allows validation of the array attributes (klimov-paul)
- Enh #6442: Improved error message on `FileHelper::createDirectory()` to include the path name of the directory (cebe)