2026-06-22 - production
19:13 <reedy@deploy1003> reedy: Backport for [[gerrit:1304867|Upgrading guzzlehttp/psr7 (2.11.0 => 2.11.1)]], [[gerrit:1304868|Upgrade guzzle/* (T429826)]], [[gerrit:1304879|Updated guzzlehttp/guzzle from 7.10.0 to 7.12.1 (T429826)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there. [production]