Pixelmash 1.2.5 is now available and should auto-update for you. Here are some of the new things you'll find:
- Added hex color input (click on the RGB label in the color chooser)
- Added import/export of palettes using png image files
- Improved palette display to support more colors
- Added display of current mouse coordinates
- Fixed resolution bug on hi-dpi displays on Windows
- Fixed layer dragging bugs
Let us know if you run into any issues. Cheers!