Checklist from https://www.mediawiki.org/wiki/Writing_an_extension_for_deployment#Process (read this on-wiki for links and examples):
Prerequisites: T347896: Prepare the WikimediaCampaignEvents extension for deployment
- 1. Add the new extension submodule to the git mediawiki/extensions repo.
- 2. Move your extension's CI config to the "Wikimedia production" section, add the "in-wikimedia-production" job template, and make sure it has and passes all the expected jobs for production code.
- 3. Add your extension to the json make-wmf-branch release tool at least two weeks prior to your target date for enabling on the Beta Cluster.
- 4. Add your extension to extension-list.
- 5. Create database schema in beta wikishared
- 6. Prepare a patch for each of the following items:
- 7. Add the patches above to a deployment window.
- Scheduled for 2024-02-01
- 8. Add to the "Extensions used by Wikimedia - Upcoming" group in translatewiki (r994960)
- 9. Post update on the performance review task (T350947) that the review can now begin
Then: T347909: Deploy the WikimediaCampaignEvents extension to production