Automatically detecting Good Article, Featured Article, and Featured List status, and limiting ORES predictions to B-class
An updated version of Twinkle was released. Features relating to the recently-enabled partial blocks include automatic lookup of pages and expanded options for block templates. See a full list of changes here
For users of Enterprisey's easy-brfa script, the bug with transcluding new BRFAs has been resolved
For any scripts that previously made use of the edit API to change a page's content model, a new API module is available: use action=changecontentmodel to specify the new content model of an existing page. Documentation is available: mw:API:ChangeContentModel.
The dispute resolution noticeboard wizard is no longer a gadget, but rather is loaded using withJS and withCSS. See the discussion at MediaWiki talk:Gadget-DRN-wizard.js
Pending requests
A script to help file movers process requests, including
renaming the file
updating file links
removing the {{Rename media}} template (when relevant)