# Change Log
- Flutter version upgrade to v1.12.13 + hotfix.5
- Support Dark Mode
- Support RTL text direction
- Widget test integration
- New widget CountStepper
- FLToast add custom content view
- FLMarqueeLabel and FLNoticeBar Added delayed scrolling property delay
# Breaking changes:
- prefix and suffix of FLNoticeBar have been changed to prefixBuilder and suffixBuilder so that you can get the BuildContext instance to build the widget.
- All dart files under 'lib' are migrated to 'lib/src' for dartdevc 。
- fix some doc issue.
- FLNoticeBar fix null velocity issue.
- FLCupertinoOperationSheet add custom header widget.
First version, include 15 categories: