Wikimedia Release Engineering Team/Essential work/2026-06-05

Essential Work

Weekly essential work update for 2026-W23

Shipped

• Deployment tooling now has desktop notifications for job completion.
• HCaptcha JS is now hosted and checked out in prod after our MediaWiki deployment tool, Scap, learned to manage additional, out-of-band repositories.
• CI fixes:
  • New verison of CI checkout code to retry in case of git checkout errors after user feedback.
  • Updates to our CI docker registry following a garbage collection failure that caused disk space issues.
  • All runners upgraded to Buildkit v0.30.0.

Blockers

• N/A

Lessons Learned

• N/A

Community collab

• N/A

Other

Deployment of MediaWiki 1.47.0-wmf.2

Quiet train week. One bug caught before rollout to users. One blocker that was a delay in getting started.

• MediaWiki_1.47/wmf.2
  • 444 Patches ▂▁█▁▂
  • 0 Rollbacks ▄▄▄▄▄
  • 0 Days of delay ▄▄▄▄▄
  • 2 Blockers █▆▁▄▁