I've just made a discovery.
You don't need wkFrontendFix or any other module. The solution to this problem has existed in the game since the 3.7.0.0 release, but was only present as a .reg file in Tweaks.
All you need to do to fix the white frontend after minimizing is to apply this reg file:
Tweaks\GDILayerTransparencyWorkaround_On.reg
This one disables the fix:
Tweaks\GDILayerTransparencyWorkaround_Off.reg
Enjoy I guess, while 3.8.0 is not out yet.