A new update has been released with several bug fixes and a couple of new features:

• Added new color picker to quickly select different tints, shades, and tones of the current color
• Now clicking foreground/background color will change the colors in a custom brush created with Edit > New Brush
• Fixed crash creating a custom brush without "Type" parameter and restarting the application
• Fixed bug resetting Screen Scaling value
• Fixed several bugs with grayscale images
• Fixed a crash using Windows clipboard in special cases
• Fixed Wacom tablet lag on Windows platform
• Added more zoom levels