* 🐛  Edge-case InfiniteLoader bug fix; prevent jumping to the first row when scrolling fast. ([@reVrost](https://github.com/reVrost) - [#632](https://github.com/bvaughn/react-virtualized/pull/632))
* 🐛  Reverted unexpected regression from [#616](https://github.com/bvaughn/react-virtualized/pull/616) until a safer fix can be found.
