Originally published at: https://space.wmflabs.org/2020/05/07/tech-news-2020-week-19/
- Some wikis will be on read-only for a few minutes on 5 May. This will happen around 05:00 UTC. This is for database maintenance. 
- Some wikis will be on read-only for a few minutes on 7 May. This will also affect CentralAuth. This can for example affect global renames, password changes, changing or confirming your email address and logging in to new wikis. This will happen around 05:00 UTC. This is for database maintenance. 
Changes later this week
- You can get a notification when someone links to a page you created. You can soon turn these notifications off for individual pages. 
- The new version of MediaWiki will be on test wikis and MediaWiki.org from 5 May. It will be on non-Wikipedia wikis and some Wikipedias from 6 May. It will be on all wikis from 7 May (calendar).