Mutter / GNOME Shell are no longer covered by the GNOME MRE

[Christopher James Halse Rogers]

Hello all!

It has been brought to the SRU team’s attention that mutter has 
landed a significant new feature in the 46.1 point release¹.

The GNOME MicroReleaseException policy historically exists on the basis 
that the GNOME release and testing process broadly matches SRU policy, 
so duplicating that process by performing a full SRU review on GNOME 
point releases would be unnecessary work. Since mutter no longer 
appears to have the same understanding of that process as we do, mutter 
SRUs will not be covered by the GNOME MRE going forward.

Mutter & GNOME Shell point releases may still be acceptable under the 
normal micro release process; this can be checked on a case-by-case 
basis.

(This notification may also be found on Ubuntu Discourse: 
https://discourse.ubuntu.com/t/mutter-gnome-shell-are-no-longer-covered-by-the-gnome-mre/45218/1)

¹: Specifically, explicit sync support 
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3300.