The visual editor will now use MediaSearch to find images. You can search for images on Commons in the visual editor when you are looking for illustrations. This is to help editors find better images.
Editing a timeline might have removed all text from it. This was because of a bug and has been fixed. You might need to edit the timeline again for it to show properly.
The new version of MediaWiki will be on test wikis and MediaWiki.org from 23 February. It will be on non-Wikipedia wikis and some Wikipedias from 24 February. It will be on all wikis from 25 February (calendar).
There is a user group for developers and users interested in working on Wikimedia wikis with the Rust programming language. You can join or tell others who want to make your wiki better in the future.