https://bugs.winehq.org/show_bug.cgi?id=21327
--- Comment #17 from Johannes E. Krause krause@informatik.uni-halle.de --- i just tested in 1.7.30 and 1.7.34, and the behaviour definitely changed for the better. i wouldn't describe it as "perfect", because after a few alt+tab my XServer crashed, but that is probably a graphics driver bug.