2026-09-29 - production
20:38 <cklimas@deploy1003> cklimas: Backport for [[gerrit:1346087|InitialiseSettings: Enable return-to-app banner on testwiki (T434258)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there. [production]