Hi!

Master MX3 for Mac:
- Bug description: Middle button (below the scroll wheel) works only in scope of Options+ App.

• Steps to reproduce:
• assign middle button to gestures
• Choose Windows Navigate

• Point the mouse outside the Options+ app.

• Expected Result:
  It is possible to perform chosen movements (switch between desktops, app expose, mission control)

• Actual Result:
  Mouse does NOT respond to chosen movements

Screenshot of chosen movements attached.