- Enh #131 Added `tabContentOptions` to set HTML attributes for 'tab-content' container in `Tabs` widget (AndrewKorpusov)
- Enh #145: Added the ability to customize the class used to draw dropdowns in `yii\bootstrap\Nav`, `yii\bootstrapButtonDropdown` and `yii\bootstrap\Tab` widgets (PowerGamer1)
- Enh #187: Added `yii\bootstrap\Tabs::activateFirstVisibleTab()` to set the first visible tab as active if no active tab is set (nilsburg)
- Bug #126:`yii\bootstrap\ToggleButtonGroup` was unable to work without model (makroxyz)
- Bug #130: Fixed `yii\bootstrap\Collapse` to use pure numerical value on `content` property (meysampg)
- Bug #137: Remove `role="navbar"` from `yii\bootstrap\NavBar` according to new aria specification (tino415)
- 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 #157: Active status of multilevel submenu items of the `yii\bootstrap\Nav` class is determined correctly now (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)
- Bug #184:`yii\bootstrap\ButtonDropdown` widget did not use the correct JS plugin, was `button`, changed to `dropdown` (cebe, yukal)
- Bug #196: Remove `role="form"` from `yii\bootstrap\ActiveForm` according to new aria specification (bastardijke)
- Enh #107: Added `yii\bootstrap\Collapse::$autoCloseItems` to allow keeping multiple items open at the same time (cebe)
- Enh #113: Allow URLs instead of content for Tab Widget Dropdown items (Okeanos)
- Enh #131: Added `tabContentOptions` to set HTML attributes for 'tab-content' container in `Tabs` widget (AndrewKorpusov)
- Enh #145: Added the ability to customize the class used to draw dropdowns in `yii\bootstrap\Nav`, `yii\bootstrapButtonDropdown` and `yii\bootstrap\Tab` widgets (PowerGamer1)
- Enh #174: Added `yii\bootstrap\Tabs::renderPanes()` to allow extending the class to manipulate the content between the tabs and the content (thiagotalma)
- Enh #187: Added `yii\bootstrap\Tabs::activateFirstVisibleTab()` to set the first visible tab as active if no active tab is set (nilsburg)
- Enh #208: Added `yii\bootstrap\Modal::$bodyOptions` to allow add options to body part Modal (KoJIT2009)