2026-03-19 - production
22:03 <jforrester@deploy2002> jforrester: Backport for [[gerrit:1255886|Set WikiLambdaAbstractNamespaces's merge_strategy to provide_default (T420649)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there. [production]