Verify 1.42.0-wmf.15 * Verify 1.42.0-wmf.16

Deployment blockers task: T354433 (Add any blockers as subtasks to this ticket)

TODO

• Run QA in production for the following tickets: https://phabricator.wikimedia.org/maniphest/query/Kbne32ERs12p/#R
• Add Verified tag to each ticket when done
• Summarize the results of the QA as a comment in this ticket

Sign off steps

• Create tickets for any issues that were detected during deployment verification.

QA Results - Prod