- **All Modules** - Performance logging now delays 500ms instead of 100ms for console logging to ensure all logs are captured in one group
- **All Modules/Transition** - Transitions no longer use `rotateZ(0deg)` to trigger GPU display of visible state. This causes issues with `transform` creating new stacking context that can disrupt `z-index`.
- **Accordion** - Fixed bug where `exclusive: true` could sometimes cause other accordion element animations to get stuck when animating rapidly
- **API** - API longer uses `readyState = 0` as sole check for request abort, this may accidentally trigger with `JSONP` or `CORS` requests.
- **Card** - IE11 now can correctly use `flexbox` cards **THanks @Widcket**
- **Checkbox** - Fix `disabled checkbox` sometimes displaying hand cursor