As part of the OKR 2022 Q1/Q2 plan, we have set the following key results in this objective:

1. SVN is retired (#17202 and friends) and people are happy with the replacement
2. establish a plan for gitolite/gitweb retirement (#40472)
3. retire schleuder in favor of ... official Signal groups? ... mailman-pgp? RFC2549 with one-time pads?