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Changes later this week
- The new version of MediaWiki will be on test wikis and MediaWiki.org from 1 December. It will be on non-Wikipedia wikis and some Wikipedias from 2 December. It will be on all wikis from 3 December (calendar).
- The iOS Wikipedia app will show readers more of the article history. They can see new updates and easier see how the article has changed over time. This is an experiment. It will first be shown only to some iOS app users as a test. 
- The Wiki Replicas can be used for SQL queries. You can use Quarry, PAWS or other ways to do this. To make the Wiki Replicas stable there will be two changes. Cross-database
JOINSwill no longer work. You can also only query a database if you connect to it directly. This will happen in February 2021. If you think this affects you and you need help you can post on Phabricator or on Wikitech.