- **Segment** - Added new `ui placeholder segment` used to reserve space for UI when no content is available.
- **Loader** - Added `ui content loader` that can be used to mimic content while its loading
**Major Enhancements**
- **Dropdown** - Added `clearable` dropdowns. When `clearable: true` is specified, you can
- **Modal/Dimmer** - Modals and dimmers now include a new setting `useFlex` which defaults to `auto`. Modals and dimmers will automatically revert to using non-flex layouts when there may be layout issues with using flexbox.
For example when `attachable: false` is used with a modal, or if IE11/Edge is used (Absolutely positioned elements inside flex containers in IE behave differently)
**New UI**
- **Segment** - Segment now include a `placeholder` type, which can be used to save place for content when content is empty.
- **Loader** - Loader now includes `content loader` which let you specify arbitrary mocked up content to appear before content loads.
**Bugs**
- **Dropdown** - Fixed issue where `onChange` when used with `action: hide` would be missing the third param `$item`#6555