1 : I add an edit mode check box to safe to click edit buton inthe middle of pie menu accidentaly. Click edit mode and make it active again 

2: first opening performace fixed

3: Color pallet eyedropper selects true color on the objects. (fixed as sample color)

4: Selecting the color from the layer below using the "sample color (eye dropper)" feature while on the top color layer

- Added U and B buton (mask border and unmasked are)

- Fixed Sample Color (use shift+x) and you can use live color selecting with shift+x 

- Fixed undo in edit cursor (for mask)

You can add custom brushes to Sculpt Pro Pie 1.0.7 via asset browers