Latest *tech news <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News>* from the Wikimedia technical community. Please tell other users about these changes. Not all changes will affect you. Translations <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/2025/45> are available.
*Updates for editors* - Administrators will now find that Special:MergeHistory <https://www.mediawiki.org/wiki/Special:MergeHistory> is now significantly more flexible about what it can merge. It can now merge sections taken from the middle of the history of the source (rather than only the start) and insert revisions anywhere in the history of the destination page (rather than only the start). [39] <https://phabricator.wikimedia.org/T382958> - For users with "Automatically subscribe to topics" enabled in their preferences <https://www.mediawiki.org/wiki/Special:Preferences#mw-prefsection-editing>, starting a new topic or adding a reply to an existing topic will now subscribe them to replies to that topic. Previously, this would only happen if the DiscussionTools "Add topic" or "Reply" widgets were used. When DiscussionTools was originally launched existing accounts were not opted in to automatic topic subscriptions, so this change should primarily affect newer accounts and users who have deliberately changed their preferences since that time. [40] <https://phabricator.wikimedia.org/T290778> - Scribunto modules can now be used to generate SVG images <https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:Scribunto/Lua_reference_manual#SVG_library>. This can be used to build charts, graphics and other visualizations dynamically through Lua, reducing the need to compose them externally and upload them as files. [41] <https://phabricator.wikimedia.org/T405861> - Wikimedia sites now provide all anonymous users with the option to enable a dark mode color scheme, featuring light-colored text on a dark background. This enhancement aims to deliver a more enjoyable reading experience, especially in dimly lit environments. [42] <https://phabricator.wikimedia.org/T395628> - Users with large watchlists have long faced timeouts when editing Special:EditWatchlist <https://www.mediawiki.org/wiki/Special:EditWatchlist>. The page now loads entries in smaller sections instead of all at once due to a paging update, allowing everyone to edit their watchlists smoothly. As part of the database update, sorting by expiry has been removed because it was over 100× slower than sorting by title. A community wish <https://meta.wikimedia.org/wiki/Community_Wishlist/W454> has been created to explore alternative ways to restore sort-by-expiry. If this feature is important to you, please support the wish! [43] <https://phabricator.wikimedia.org/T41510> - View all 31 community-submitted tasks that were resolved last week <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/Recently_resolved_community_tasks>. For example, the fixing of the persisting highlighting when using VisualEditor find and replace during a query. [44] <https://phabricator.wikimedia.org/T407318> *Updates for technical contributors* - Since 2019 the Wikimedia URL Shortener <https://meta.wikimedia.org/wiki/Special:MyLanguage/Wikimedia_URL_Shortener> at https://w.wiki is available for all Wikimedia wikis to create short links to articles, permalinks, diffs, etc. It is available in the sidebar as "Get shortened URL". There are 30 wikis that also install an older "ShortUrl" extension. The old extension will soon be removed. This means /s/ URLs will not be advertised under article titles via HTML class="title-shortlink". The /s/ URLs will keep working. [45] <https://phabricator.wikimedia.org/T107188> - On Thursday, October 30, the MediaWiki Interfaces <https://www.mediawiki.org/wiki/Special:MyLanguage/MediaWiki_Interfaces_Team> and SRE Service Operations <https://www.mediawiki.org/wiki/Special:MyLanguage/Wikimedia_Site_Reliability_Engineering> teams began rerouting Action API traffic through a common API gateway. Individual wikis will be updated based on the standard release groups, with total traffic increased over time. This change is expected to be non-breaking and non-disruptive. If any issues are observed, please file a Phabricator ticket to the Service Ops team <https://phabricator.wikimedia.org/tag/serviceops/> board. - MediaWiki Train deployments will pause for the final two weeks of 2025: 22 December and 29 December. Backport windows will also pause between Monday, 22 December 2025 and Thursday, 2 January 2026. A backport window is a scheduled time to add things like bug fixes and configuration changes. There are seven deployment trains remaining for 2025. [46] <https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/SMWTEAES4SDLDUSK4HMWNBSKNCXZAWYN/> - Detailed code updates later this week: MediaWiki <https://www.mediawiki.org/wiki/MediaWiki_1.45/wmf.26> *In depth* - In 2025, the Wikimedia Foundation reported that AI systems and search engines increasingly use Wikipedia content without driving users to the site, contributing to an 8% drop in human pageviews compared to 2024. After detecting bots disguised as humans, Wikimedia updated its traffic data to reflect this shift. Read more about current user trends on Wikipedia in a Diff blog post <https://diff.wikimedia.org/2025/10/17/new-user-trends-on-wikipedia/>. *Tech news <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News> prepared by Tech News writers <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/Writers> and posted by bot <https://meta.wikimedia.org/wiki/Special:MyLanguage/User:MediaWiki_message_delivery> • Contribute <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News#contribute> • Translate <https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/2025/45> • Get help <https://meta.wikimedia.org/wiki/Tech> • Give feedback <https://meta.wikimedia.org/wiki/Talk:Tech/News> • Subscribe or unsubscribe <https://meta.wikimedia.org/wiki/Global_message_delivery/Targets/Tech_ambassadors>.*
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