The feature is explicit sync, which is a brand new graphics stack API that would fix some issues with nvidia rendering under Wayland.
It’s not a big deal, canonical basically said ‘this isn’t a bug fix or security patch, it’s not getting backported into our LTS release’ - so if you want it you have to install GNOME/mutter from source, switch operating systems, or just wait a few months for the next Ubuntu release
ELI5?
GNOME said this update is a minor bug fix (point release)
Canonical said this is actually a major feature update, and doesn’t want to backport it into its LTS repositories
OK… ELI3? Why is this a big deal, and what is the feature/bug fix?
The feature is explicit sync, which is a brand new graphics stack API that would fix some issues with nvidia rendering under Wayland.
It’s not a big deal, canonical basically said ‘this isn’t a bug fix or security patch, it’s not getting backported into our LTS release’ - so if you want it you have to install GNOME/mutter from source, switch operating systems, or just wait a few months for the next Ubuntu release