Hi Lisandro, On Mittwoch, 2. Dezember 2020 23:57:00 CET Lisandro Damián Nicanor Pérez Meyer wrote: > Hi Andre! > > El mié., 2 dic. 2020 13:03, Andre Woebbeking <woebbek...@web.de> escribió: > > > Package: libqt5gui5 > > Version: 5.15.1+dfsg-4 > > Severity: wishlist > > X-Debbugs-Cc: woebbek...@web.de > > > > Dear Maintainer, > > > > with X2Go Qt5 apps are much slower than X or GTK apps. But there is a > > workaround: > > setting the environment variable QT_XCB_NATIVE_PAINTING. > > > > This worked until testing updated to Qt 5.15 because upstream disabled the > > automatic > > configuration of this feature in commit > > 7f948d9effad983477977c3274231401f260c531. > > > > So please build Qt5 with -xcb-native-painting to make X2Go users happy > > again :-) > > > > And what would the drawbacks be?
the compile time and the library size would increase a bit. To get any behaviour change you've to set QT_XCB_NATIVE_PAINTING.
