Two finger touch bar swipe, slider flips on and off while sliding

I'm having trouble with two finger touch bar gestures where the slider intermittently disappears and reappears as I slide.

I have a group set up, active only when is active. In the group I have 5 buttons with simple HUD actions attached. I also have a left and a right two fingered swipe in the same group, again with a simple HUD action on each.

I activate and start swiping the touch bar. Initially the buttons disappear, as they should but as I continue to swipe left and right, intermittently the slider disappears and the buttons reappear, flipping between the two views. Also, occasionally, the entire touch bar fills with a full, white rectangle.

**Affected input device Touch bar

Device information:

  • Type of Mac: Macbook Pro
  • macOS version: Catalina 10.15
  • BetterTouchTool version: 3.209