[Development] CI testing on XWayland only, not real X11

[Thiago Macieira]

On Saturday, 16 August 2025 02:40:34 Pacific Daylight Time Liang Qi wrote:
> We are using Ubuntu 24.04.0 X11 in Coin(the CI in Qt project) setup,
> Ubuntu 24.04.0 has too many issues. We have wasted too much time on it
> in our CI, almost 1.5 years after it was released.
> 
> I would like to keep Ubuntu 22.04 X11(for both non-dev and dev builds)
> and the latest Ubuntu 24.04 Wayland(GNOME here). And we need to add a
> KDE/Plasma 6 Wayland configuration.

Indeed, that's what I am asking: Wayland display managers on newer distros, 
native X11 retained only for older ones.

> We haven't fixed all issues after
> QPlatformIntegration::WindowActivation was supported on Wayland yet.
> We have enough things to do for Wayland (and X11). XWayland doesn't
> have priority here.

I understand, but I ask you to consider that the "Qt software out 
there that depends on native X11" that Peppe mentioned might be run with 
XWayland. So we need a modicum of testing on it.

It's probably not going to be a lot. If we've done our jobs right, then Qt 
applications would always prefer native Wayland instead of XWayland.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Principal Engineer - Intel Platform & System Engineering
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