It doesn't look like that polling code was used under Linux. The fix was to only poll on Windows XP, since apparently this wasn't even needed on newer Windows v

It doesn't look like that polling code was used under Linux. The fix was to only poll on Windows XP, since apparently this wasn't even needed on newer Windows versions. The bug was also fixed in 2018, so you would only be affected if your distriubtion ships a severely outdated Qt5 version.