When attempting to approve a cherry-picked commit to REL1_39 on CheckUser, the AbuseFilter selenium tests fail with:
17:58:12 node: ../src/coroutine.cc:134: void* find_thread_id_key(void*): Assertion `thread_id_key != 0x7777' failed. 17:58:12 Aborted
Example of this at https://integration.wikimedia.org/ci/job/quibble-composer-mysql-php74-selenium-docker/8709/console.