Keyboard and mouse delay while BTT is running

Describe the bug
While BTT is running, input from the keyboard and track pad is delayed intermittently

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

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

Device information:

  • Type of Mac:MacBook Pro (15-inch, 2017)
  • macOS version: 10.14.4 (18E226)
  • BetterTouchTool version: 2.750

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):
quitting BTT restores normal operation.
the first minute or so after starting BTT seems to be fine.

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

if you have dropbox sync enabled try to deactivate that. There have been several issue reports related to that.