- Bug #3128: Fixed the bug that `defaultRoles` set in RBAC manager was not working as specified (qiangxue)
- Enh #3103: debugger panel is now not displayed when printing a page (githubjeka)
- Enh #3108: Added `yii\debug\Module::enableDebugLogs` to disable logging debug logs by default (qiangxue)
- Enh #3132: `yii\rbac\PhpManager` now supports more compact data file format (qiangxue)
- Enh: Added support for using sub-queries when building a DB query with `IN` condition (qiangxue)
- Chg: Replaced `clearAll()` and `clearAllAssignments()` in `yii\rbac\ManagerInterface` with `removeAll()`, `removeAllRoles()`, `removeAllPermissions()`, `removeAllRules()` and `removeAllAssignments()` (qiangxue)