Change Details

After the successful deploy we should make sure the code gets cleaned up that made it possible that #reference_previews is a beta feature. **Acceptance criteria** [] Remove beta feature related code in the `Popups` extension [] Remove beta feature related code in the `mediawiki-config` repo [] Remove beta feature related code that might be set for CI

After the successful deploy we should make sure the code gets cleaned up that made it possible that #reference_previews is a beta feature. **Acceptance criteria** [] Remove beta feature related code in the `Popups` extension [] Remove beta feature related code in the `mediawiki-config` repo [] Remove beta feature related code that might be set for CI These config patches should be added to the https://wikitech.wikimedia.org/wiki/Deployments calendar. One dev from our team will add their IRC nick to the deployment entry, then commit to being available in IRC during the window.

After the successful deploy we should make sure the code gets cleaned up that made it possible that #reference_previews is a beta feature. **Acceptance criteria** [] Remove beta feature related code in the `Popups` extension [] Remove beta feature related code in the `mediawiki-config` repo [] Remove beta feature related code that might be set for CI These config patches should be added to the https://wikitech.wikimedia.org/wiki/Deployments calendar. One dev from our team will add their IRC nick to the deployment entry, then commit to being available in IRC during the window.