3 Finger Pinch crashes Safari

Describe the bug
I've set the Pinch With Thumb and 2 Fingers gesture to act as CMD+W to close windows. I use this frequently in Safari and recently it has been causing the entire browser to crash.

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
MacBook Trackpad

If applicable, add screenshots to help explain your problem. (You can just paste or drag them here)

Device information:

  • Type of Mac: Mid 2012 15" MacBook Pro (non-retina)
  • macOS version: 10.14.4
  • BetterTouchTool version: 2.800

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):

Note: Before bug reporting, please make sure you have the latest version of BetterTouchTool and that you have already tried to restart your system :-). If you encounter a crash, please attach a crash log from the macOS Console.app from the "User Diagnostic Reports" section.

Safari_2019-05-13-094541_Alexs-MacBook-Pro-3.crash (130.2 KB)

Unfortunately that's a bug in safari that apparently still hasn't been fixed.
See Lead to Safari crash