http://bugs.winehq.org/show_bug.cgi?id=35361
--- Comment #47 from noother wine@noother.net --- Created attachment 49043 --> http://bugs.winehq.org/attachment.cgi?id=49043 GetRegisteredRawInputDevices_FIXME.patch
This plus the imm32.patch make the overlay work again after Steams Jul, 2nd update.