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Wikimedia Engineering

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The Wikimedia engineering team builds, improves and maintains the technical infrastructure of Wikimedia sites (software and hardware), by supporting and complementing volunteer efforts. It's composed, among others, by engineering and product development staff employed by the Wikimedia Foundation and by other organizations in the Wikimedia movement.

• Platform
• Features
• Mobile
• Language
• Analytics

Latest report Major news in July include: a recap of how the Operations team collaborated with the RIPE NCC to measure the delivery of Wikimedia sites to users in Asia and elsewhere; an analysis of the impact of the San Francisco data center on the speed of Wikimedia sites; the launch of the new native Wikipedia app for iOS; a first look at the content translation tool. Read more Featured activity Site performance and architecture Various initiatives geared toward improving site responsiveness, decreasing resource consumption, and/or improving site maintainability Status: (2014-05-monthly) Aaron Schulz has been reviewing the Petition extension for deployment to the cluster, working with Peter Coombe to improve its performance. In addition, the reliability and speed of media uploads was increased by removing many failure cases on Commons. There were many other minor fixes over the course of the month. Team: Ori Livneh, Aaron Schulz, Antoine Musso, Andrew Garrett Latest news Latest tech news from the Wikimedia technical community. Please tell other users about these changes. Not all changes will affect you. Translations are available. Recent software changes You can now log into Phabricator, the new tool to track bugs. Create your account and add your Bugzilla email address. We are copying the bugs from Bugzilla. Bugzilla is still open. [1] [2] You will now get the VisualEditor newsletter in your language if someone has translated it. You can add translations. You can know about the next translations by joining the translators list or asking Elitre (WMF). Problems 10% of Tool Labs was down on October 7. [3] Tool Labs was also broken on October 11. [4] Software changes this week The new version of MediaWiki (1.25wmf3) has been on test wikis and MediaWiki.org since 9 October. It will be on non-Wikipedia wikis from 14 October, and on all Wikipedias from 16 October (calendar). 5% of logged-out readers are getting pages from servers that run the HHVM tool. HHVM should make pages load faster. You can also test it as a Beta Feature. [5] Meetings You can join a meeting with Language developers on October 15, 2014 at 17:00 (UTC). [6] There is a proposal to organize file pages better. It would use the same tools as Wikidata. You can join a meeting about it on October 16, 2014 at 18:00 (UTC). [7] You can join a meeting about VisualEditor on October 18, 2014 at 18:00 (UTC). [8] Tech news prepared by tech ambassadors and posted by bot • Contribute • Translate • Get help • Give feedback • Subscribe or unsubscribe.

See the status dashboard Stay informed Wikimedia Technology Blog — And its corresponding feed. Calendar — All events. wikitech-announce — Subscribe to announcements of new activities. Get involved How to contribute Tell us if you run into a problem Become a MediaWiki developer Test our mobile site, or build mobile apps Chat with us Figure out ways to encourage new Wikimedia editors Help to update the engineering project documentation Job openings Are you looking to work for Wikimedia? We're hiring! VP of Engineering Software Engineer - Front-end (VisualEditor) Software Engineer - Services (Features) Software Engineer - Front-end - Mobile Software Engineer - Maps & Geo - Mobile Software Engineer - Mobile - iOS QA Tester Full Stack Developer - Analytics Lean/Agile Coach - Team Practices Group Product Manager Product Manager - Language Engineering Operations Security Engineer Technical Project Manager UX Senior Designer UX Senior Design Researcher UX User Research Recruiter Project Coordinator - Engineering Mobile Partnerships Regional Manager Tools New to project pages? Have a question about how things work? Read the how-to guide. See also Dynamic list of all projects (including those completed) Trello boards Mingle projects, including Wikimedia Language engineering and Analytics

Features engineering VisualEditor — Creating a visual editor for MediaWiki, other platforms and the Web at large Parsoid — A bidirectional runtime wikitext parser. Converts back and forth between wikitext and HTML/XML DOM with RDFa. Services and REST API — Team implementing backend services and a REST-style content API as a step towards a service-oriented architecture. Flow — Initial ideas for the user "home page" feed system, including modules. Growth — To create sustainable growth in the community of editors on Wikimedia projects. Wikipedia Education Program — A MediaWiki extension to support the Wikipedia Education Program Mobile engineering Wikimedia Apps — Wikimedia Mobile Applications for iOS, Android, and new platforms Wikipedia Zero — Free and zero rated access to Wikipedia through our partners Mobile web projects — Features and design work on the Wikimedia MobileFrontend mobile gateway Platform engineering Site performance and architecture — Various initiatives geared toward improving site responsiveness, decreasing resource consumption, and/or improving site maintainability HHVM — Support in MediaWiki for HHVM (HipHop Virtual Machine) and deployment to the Wikimedia cluster Admin tools development — Feature development and bugfixes on tools for stewards and local power-users Search — Search infrastructure maintenance and overhaul Auth systems — Improvement of authentication and authorization systems, and adding new auth mechanisms such as OpenID and OAuth Deployment tooling — Improve the deployment process and operational monitoring capabilities in use for the Wikimedia content projects and related infrastructure. Wikidata deployment — Regular deployments to wikidata and clients SUL finalisation — Resolve any remaining clashing user names, so that in the future every user may have a single username to log in with on all Wikimedia projects. Shell requests — Ongoing processing of Bugzilla requests that require shell access to fix Security auditing and response — Inspection of code and training of developers Release Engineering — Working to improve the quality of code and reduce the time it takes users to get it. Quality Assurance — Software testing and quality assurance for Wikimedia engineering activities Beta cluster — Establish a functional, production-like environment in Wikimedia Labs suitable for final-stage testing of new features. Continuous integration — A testing platform to provide continuous quality control for MediaWiki Browser testing — Automated testing of MediaWiki within various browsers to improve quality Multimedia — Handling of images, sound and video files, from infrastructure to contributions, curation, publishing and viewing. UploadWizard — A feature that provides an easier way of uploading files to Wikimedia Commons, the media library associated with Wikipedia. Structured Data — Improve how to store and retrieve metadata on Wikimedia Commons, the media library associated with Wikipedia. Bug management — Management of Wikimedia's bug tracker. Phabricator migration — Preparation and execution of the migration of our development toolchain to Phabricator Mentorship programs — Google Summer of Code, LevelUp, Outreach Program for Women, and other programs that mentor contributors Technical communications — An activity aiming to incrementally improve communications between the communities of developers and users Volunteer coordination and outreach — Coordination of volunteer efforts, technical outreach and recruitment of new volunteers Architecture and Requests for comment process — Deciding on proposals for changes to MediaWiki's architecture and writing guidelines for future changes. dev.wikimedia.org — A central place for 3rd-party developers to access our data sets and experiment with our APIs Language engineering Language tools — Internationalization and Localization tools to enable use of Wikimedia projects in various languages. Milkshake — Create generic i18n tools in jQuery Language Engineering Communications and Outreach — News about Language Engineering activities and Outreach programs Content translation — Content translation of Wikipedia pages Analytics Wikimetrics — Cohort analysis of Wikimedia editors Data Processing — Pipe volumes of data into Hadoop for research and reports Editor Engagement Vital Signs — Dashboard to expose Editor Engagement and the impact of product decisions. EventLogging — Sensibly capture Mediawiki usage data to help improve products. Research and Data — Supporting the Wikimedia Foundation in using data to make better decisions Operations The Operations team is responsible for the technical infrastructure of Wikimedia sites: this includes the data centers, servers and network. They document most of their work on the wikitech wiki.