1, Support layer blending, layer mask and channels.
2, Support selection mask (press Q to enter or leave selection mask edition mode)
3, More beautiful user interface.
4, Support presets for each filter.
5, Screen color picking (Ctrl + click color picker) and screen cut (Ctrl + Shift + X)
6, New tools (Monobackground brush, mosaic brush, etc)
7, Faster brush tool.
8, HDR (File --> Merge to high dynamic range)
9, More stable (fixed lots of known bugs)