The PPAs seem to support released Ubuntu LTS versions only. Because of Debian's/Ubuntu's failfest with Python 3.10 (see, e.g., here, I'd like to suggest to already add jammy (22.04) to the PPAs now.
I'll be doing this once jammy is released -- I've already started a bit of prepwork to flip the switch but want to make sure it's at least at release candidacy state first
The PPAs seem to support released Ubuntu LTS versions only. Because of Debian's/Ubuntu's failfest with Python 3.10 (see, e.g., here, I'd like to suggest to already add jammy (22.04) to the PPAs now.