Wayland in Tails 5.0 (Bullseye)

Run the GNOME session on Wayland instead of X.Org, and adjust whatever is needed such as:

Our test suite uses xdotool, that only partly works on Wayland: xdotool set_desktop N still works, but xdotool key Super doesn’t, and xdotool search --name only works for apps that are not Wayland native.
We run quite a few of GUI apps under gksudo/pkexec/sudo, such as the Unsafe Browser. This can be worked around for apps that run via XWayland (i.e. not Wayland-native apps) with hacks like xhost +si:localuser:root, which might be acceptable as a temporary transition measure, as long as there’s a clear plan to fix that at some point (since it defeats some of the benefits of switching to Wayland in the first place, such as security improvement, a11y / IBus / on-screen keyboard support in all graphical apps)
Consider dropping the 89cc641f39a5414e763112f698739bb2351da7d8 hack: there are rumors that GDM’s session does not linger after login on Wayland.

Resources:

Team: intrigeri (Perl code), bertagaz? (the rest). The FT wants to take over and do it in 2020 if not done yet by the end of 2019.

Original created by @intrigeri on 12213 (Redmine)

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