- Enh #113: Allow URLs instead of content for Tab Widget Dropdown items (Okeanos)
- Bug #143: Fixed `yii\bootstrap\Nav` to use tags according to bootstrap docs (PowerGamer1)
- Bug #162: Fixed `yii\bootstrap\Nav` not taking explicit `active` into account when `activateItems` is off (samdark)
- Enh #174: Added `yii\bootstrap\Tabs::renderPanes()` to allow extending the class to manipulate the content between the tabs and the content (thiagotalma)