Firefox snap now has Wayland enabled by default in Ubuntu 23.10 (Mantic Minotaur), the current Ubuntu development series.
Outside of Mantic, the Firefox snap currently still defaults to XWayland even when running in a Wayland session, as that is the most well-tested scenario. Switching Firefox snap to default to Wayland mode when running under a Wayland session in Mantic (which will be the next Ubuntu interim release) should help the Desktop team and Mozilla folks gather feedback and gauge the readiness of Firefox’s native Wayland support, ahead of the next Ubuntu LTS release.
If you are running Mantic, you can verify that your Firefox snap is running in Wayland by opening
about:support, and searching for
Window Protocol; it should be
If you are on other Ubuntu releases but would you like to try Firefox snap with native Wayland mode, you can run the following command in a terminal to switch Firefox snap to the
sudo snap refresh --channel=wayland firefox
If you encounter any issues please report them here or preferably on Bugzilla, Mozilla’s bug tracker. Please include in your reports the output from these commands:
snap info firefox
Finally, to go back to the non-Wayland stable version of Firefox snap, you can run something like
sudo snap refresh --channel=stable/ubuntu-yy.mm firefox
yy.mm is the Ubuntu release you are currently on. For example, if you are on Ubuntu 22.04, you would run:
sudo snap refresh --channel=stable/ubuntu-22.04 firefox