Fixes #5323: Nested dropdown does not work for `yii\bootstrap\DropDown`

extensions/bootstrap/CHANGELOG.md

@@ -4,6 +4,7 @@ Yii Framework 2 bootstrap extension Change Log
 2.0.0 under development
 -----------------------
 
+- Bug #5323: Nested dropdown does not work for `yii\bootstrap\DropDown` (aryraditya)
 - Chg #5231: Collapse `items` property uses `label` element instead of array key for headers (nkovacs)
 - Chg #5232: Collapse encodes headers by default (nkovacs)
 - Chg #5217: Tabs no longer requires content since empty tab could be used dynamically (damiandennis)

framework/CHANGELOG.md

@@ -7,6 +7,7 @@ Yii Framework 2 Change Log
 - Bug #5252: Null values are not properly handled by `RangeValidator` (githubjeka, qiangxue)
 - Bug #5260: `yii\i18n\Formatter::decimalSeparator` and `yii\i18n\Formatter::thousandSeparator` where not configurable when intl is not installed (execut, cebe)
 - Bug #5314: Fixed typo in the implementation of `yii\web\Session::getHasSessionId()` (qiangxue)
+- Bug #5323: Nested dropdown does not work for `yii\bootstrap\DropDown` (aryraditya)
 - Bug: Date and time formatting now assumes UTC as the timezone for input dates unless a timezone is explicitly given (cebe)
 - Enh #4040: Added `$viewFile` and `$params` to the `EVENT_BEFORE_RENDER` and `EVENT_AFTER_RENDER` events for `View` (qiangxue) 
 - Enh #4275: Added `removeChildren()` to `yii\rbac\ManagerInterface` and implementations (samdark)