Press fn key to show control strip doesn't work on >= 10.13

Describe the bug
Hi. There is such feature in macOS – press fn key to show expanded/ control strip on touch bar. With btt touch bar fully enabled, it was very handy to have access to some standard controls of control strip by pressing fn key. After upgrading from sierra 10.12.x to high sierra 10.13.x it no longer works that way. Pressing fn does nothing when btt touch bar active. Exactly same behaviour on mojave 10.14.

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

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

Device information:

  • Type of Mac:
  • macOS version:
  • BetterTouchTool version:

MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports)
10.13.6 (17G2208)
btt version 2.636

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

Is it some known behaviour or bug? Missing that feature

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 from the "User Diagnostic Reports" section.