Aseprite v1.2.4 was just released with these changes:
- General performance improvements (will be mainly noticeable on macOS, but affects all platforms)
- Now themes can specify a non-installed TTF font
- Undo limit options now really works (#1127)
- Windows 8/10: Added support for Surface Pro pen/eraser + touch gestures (#1595)
- macOS: Fixed Shift+mouse wheel to scroll horizontally on Timeline (bug report)
- Fixed several possibilities of random crashes (mainly when the Edit > Undo History window was visible)
- Minor improvements in the Edit > Keyboard Shortcuts dialog