I recently opened a bug concerning Apparmor profiles errors with snaps (https://dev.getsol.us/T8917). The ticket was closed because AppArmor profiles are not maintained by Solus.
So I opened a bug with the LXD project (https://github.com/lxc/lxd/issues/7239) and they mentioned the problem was due to an old version of snapd. I tried the fix they proposed (install snapd with a snap command) but the fix is not working anymore and LXD is broken on Solus.
Currently, Solus version of snapd is 2.39.3 and the current official version of snapd is 2.44.3. Would it be possible to update the Solus snapd package to see if this solves the problem?