Latest tech news from the Wikimedia technical community. Please inform other users about these changes. Not all changes will affect you. Translations are available.
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Recent software changes
The latest version of MediaWiki (1.23wmf22) was added to test wikis and MediaWiki.org on April 10. It will be added to non-Wikipedia wikis on April 15, and all Wikipedias on April 17 (calendar).
MediaViewer was enabled for all users on MediaWiki.org on April 10. It will be enabled for all users on the Catalan (ca), Hungarian (hu) and Korean (ko) Wikipedias and English Wikivoyage on April 17. Comments are welcome. 
You will now see only three options when you try to add a template parameter in VisualEditor; you will see other options after a click. 
The size changing controls in VisualEditor media editing dialog were simplified further.
The wikitext editor tab will now fold into a drop-down menu in the Vector skin if there is not enough space on your screen. 
Future software changes
The font used for body text on Wikimedia wikis will change to your system default sans-serif font. This temporary change will be enabled on all non-Wikipedia wikis on April 15, and on all Wikipedias on April 17. 
Files from Commons seen on another wiki will soon have a tab saying "View on Wikimedia Commons". The create tab will change to "Add local description" (see screenshot).