How will they reconcile this with Ubuntu that wants 26.04 LTS to still be able to launch X11 sessions from GDM?
We went ahead and disabled the X11 session by default and from now on it needs to be explicitly enabled when building the affected modules. (gnome-session, GDM, mutter/gnome-shell).
Aside from a simple flag change and a recompile before Canonical adds the packages to their repo, it doesn’t sound like this will affect Ubuntu at all. They probably already do this anyway to add their own little patches.
The most likely scenario is that all the X11 session code stays disabled by default for 49 with a planned removal for GNOME 50.
GNOME 50 is when Canonical will truly need to either move to Wayland or do something else.
Seems fairly reasonable of a timeline from the GNOME team, IMO.
Something tells me Canonical won’t just kneel to THE ALMIGHTY GNOME TEAM
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GDM launches other environments too. I do not think it is about GNOME itself.
A big thing missing from Wayland are all the other X11 window managers (hundreds of them) and desktop environments (like XFCE and Cinnamon) that people may want to use.
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