- Rewrite in Typescript
- Add React 16 support
- Add IE 11 support
- Add file-type-checking (only allow dragging/dropping of actual files, according to event.dataTransfer.types)
- Remove functionality where user can "cancel" a drag event on the frame
- Remove AMD/standalone support (I think the time has come)
- Remove disableDoubleDrop prop
- Remove targetAlwaysVisible prop