While I cannot directly answer the question, I found that Debian has an experimental 2.2 package (https://tracker.debian.org/pkg/haproxy).
** Tags added: upgrade-software-version -- You received this bug notification because you are a member of Ubuntu High Availability Team, which is subscribed to haproxy in Ubuntu. https://bugs.launchpad.net/bugs/1890314 Title: RFE HAProxy 2.2 for groovy Status in haproxy package in Ubuntu: New Bug description: Is there any chance of getting HAProxy 2.2.x (LTS) into the 20.10 groovy release? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1890314/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-ha Post to : ubuntu-ha@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-ha More help : https://help.launchpad.net/ListHelp
