ServiceOps-Collab systems still running Buster: https://os-reports.wikimedia.org/os-report-todo-2023-05-15-buster.html
- role::ci::master (2 host(s)) (T334517)
- role::releases (2 host(s)) (T334435)
- role::gerrit (2 hosts(s)) (T326368, T334521) decom gerrit1001: T336427
- role::miscweb (2 host(s)) (Racktables should be removed first: T327405)
- role::requesttracker (1 host(s))
- role::planet (2 host(s))
- Requires upgrading the RSS aggregator (T281219), alternatively may be a decom target
- role::phabricator (2 host(s)) (T334519)
- role::aphlict (1 host(s)) (T333452)
- role::vrts (1 host(s)) (T295416)
- role::doc (2 host(s)) (T319477)
- role::lists (1 host) (T331706)