Never happened in the last several years.

run "apt install firefox" and you'll end up with having snaps again.

Or, for a more server-appropriate example, 'frr'. The BGP daemon. It's not just desktop things like 'firefox' before someone tries that angle.

I haven't tried it in a few LTS releases and I'm away from a computer. Still, I'd bet this release continues the pattern. Fat chance Canonical decided to go back to more build targets/backporting/testing.