hi devs,
testing FF3 i have noticed that this app has been slowed down a lot
And  there is a high difference between running it with kdbg enabled, and running without it

Also, log is flooded with the following lines:

(subsystems/win32/win32k/objects/gdiobj.c:814) Attempted to lock object 0x0 of wrong type (Handle: 0x0, requested: 0x40000)
(subsystems/win32/win32k/objects/gdiobj.c:814) Attempted to lock object 0x0 of wrong type (Handle: 0x0, requested: 0x40000)
(subsystems/win32/win32k/objects/region.c:2250) NtGdiCombineRgn requires hSrc2 != NULL for combine mode 1!