https://bugs.winehq.org/show_bug.cgi?id=46159
--- Comment #5 from Louis Lenders xerox.xerox2000x@gmail.com --- (In reply to Nikolay Sivov from comment #4)
To properly revert to user32 implementation you'll need to add class name back to class.c:is_builtin_class().
Regarding hang, I'll have to look. Anything in +static log when it hangs?
No, WINEDEBUG=+static doesnt show any additional output