I'm running Ubuntu 22.10, and getting the same problem:
$ /snap/bin/firefox
XPCOMGlueLoad error for file /snap/firefox/2277/usr/lib/firefox/libmozgtk.so:
libgtk-3.so.0: cannot open shared object file: No such file or directory
Couldn't load XPCOM.
$ snap info firefox
name: firefox
...
snap-id: 3wdHCAVyZEmYsCMFDE9qt92UV8rC8Wdk
tracking: latest/stable/ubuntu-22.10
refresh-date: 14 days ago, at 23:09 -03
...
installed: 109.0-2 (2277) 250MB -
Switching to the candidate track fixed the issue for me:
$ sudo snap refresh --candidate firefox
firefox (candidate) 109.0.1-1 from Mozilla✓ refreshed
$ /snap/bin/firefox
Gtk-Message: 10:30:49.531: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
...
I'm running Ubuntu 22.10, and getting the same problem:
$ /snap/bin/firefox 2277/usr/ lib/firefox/ libmozgtk. so:
XPCOMGlueLoad error for file /snap/firefox/
libgtk-3.so.0: cannot open shared object file: No such file or directory
Couldn't load XPCOM.
$ snap info firefox FDE9qt92UV8rC8W dk stable/ ubuntu- 22.10
name: firefox
...
snap-id: 3wdHCAVyZEmYsCM
tracking: latest/
refresh-date: 14 days ago, at 23:09 -03
...
installed: 109.0-2 (2277) 250MB -
Switching to the candidate track fixed the issue for me:
$ sudo snap refresh --candidate firefox
firefox (candidate) 109.0.1-1 from Mozilla✓ refreshed
$ /snap/bin/firefox
Gtk-Message: 10:30:49.531: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
...