In August, the team focused on overhauling the code design of VisualEditor so that it is more modular and easier to extend. This involves creating and documenting a number of formal APIs at each point in the architecture, that means a developer does not have to understand the entire code base to be able to add new features. The early version of the VisualEditor on mediawiki.org was updated twice (wmf9
), fixing a number of bugs, as well as adding a much-improved link inspector to help users build links, and a save dialog that better guides users on what to do..
The Parsoid team reached a major milestone in August by implementing a template output encapsulation algorithm, and started to use it to support expanded template round-tripping. In parallel with this and the usual smaller tweaks, work on a C++ port of the parser was started. The port is expected to allow an efficient integration with PHP and Lua, improve performance and allow the parallelization of the parser in the longer term.
This month, we developed a range of new features
for Article Feedback
, which is now deployed on 10% of the English Encyclopedia. Improvements include the ability to view feedback from my watched pages
, hide my posts
, give feedback on help pages
— as well as enable editors to clear all flags
and administrators to protect articles to limit feedback
on controversial pages. These and other features can be tested on this sample article feedback page
or on the central feedback page
(please report any bugs on Bugzilla
). For more information about this tool, check our project overview
. We are now in our productization phase (support for more platforms, scalability, code re-factoring, localization, metrics, mobile) and are aiming for a full release to 100% of English Wikipedia by the end of October 2012 — with other wiki projects starting later this year. This new tool was created in collaboration with the Wikipedia community and developed by Fabrice Florin
, Matthias Mullie
, Pau Giner
, Ryan Kaldari
, Roan Kattouw
, Oliver Keyes
, Chris McMahon
, Benny Situ
, Dario Taraborelli
, Howie Fung
and Terry Chay
, in association with OmniTI.
This month, we deployed a ‘pre-release’ version of Page Curation
on the English Wikipedia. This new product includes two main features: 1) the New Pages Feed
, a dynamic list of new pages for review by community patrollers; and 2) the Curation Toolbar
, an optional panel on article pages, which enables editors to quickly review these pages. The Curation Toolbar provides a variety of tools that let users get page info, mark a page as reviewed, tag it, mark it for deletion, send WikiLove to page creators — or jump to the next page on the list. This month, we completed development on final features, such as the ability to send a personal note to page creators, as well as special logs, links and templates, as outlined in this help page
and these project slides
. We are now preparing for a full release of Page Curation on the English Wikipedia at the end of September 2012. Check out the current beta version
on the English Wikipedia, as well as the latest version
on Wikimedia Labs (confirmed editors can click “Review” to curate any article on the New Pages Feed
). Please report any bugs on Bugzilla
. Formerly called ‘Page Triage’, this new tool was designed in close collaboration with the Wikipedia community and developed by Ryan Kaldari
, Benny Situ
, Fabrice Florin
, Oliver Keyes
, Brandon Harris
, Vibha Bamba
, Terry Chay
and Howie Fung
This month saw the creation of the Micro Design Improvements team, an ad-hoc group of staffers who look at small but useful design improvements to make to MediaWiki. Vibha Bamba
, Oliver Keyes
and Munaf Assaf
(with assistance from Howie Fung
) worked on the design for our first feature, which simplifies the “edit” window. The team is very grateful to Terry Chay
for securing technical assistance in the form of Rob Moen
, who has agreed to donate his 20% time to working on this project. In the coming month, we plan to talk to the community about this feature, deploy it, and work on more of the items on our to-do list
; if you have any thoughts about our current work or ideas for future projects, please leave us a note on the project talkpage
Editor engagement experiments
We deployed and ran the first iteration of post-edit feedback
, testing whether various types of positive feedback after submission of an edit increase the productivity and retention of Wikipedia editors. (The results will be publicized soon.) We are currently working on the next iteration of post-edit feedback and on a new experiment
which centers around the account creation process. We’ve also deployed click-tracking to the English Wikipedia community portal
, account creation page, and the article edit form, and devised a tool for generating reports from the raw log data. Working with Asher Feldman, we’ve also architected an alternative data pipeline for event tracking
, and begun its deployment.
In August we concentrated
on the testwiki, and found some issues that need addressing. The project is on hold for now, but we expect to resume in September.
After the sprint in July, there was no notable progress as the team were busy with other urgent projects. There was the start of a community discussion
about where global gadgets will be hosted for access across the Wikimedia cluster, and about their licensing (as they have generally been caught by the content license, which is less suitable for code).
deployed Echo to MediaWiki.org, but it was temporarily turned off pending a bug
that has recently been fixed. Vibha Bamba is working on some of the UI backlog.
Work on Flow will officially start in January. In the meantime, preparatory work will focus on Database sharding
2012 Wikimedia fundraiser
The fundraising team completed 3 very successful sprints, completing more work in each sprint than some of the previous sprints combined (Sprint 7: Auditing and Reconciliation
; Sprint 8: Amazon, and a bunch of other random stuff
; and Sprint 9: Adyen, Amazon wrap-up, and Listeners
). During the sprints, the team integrated with Amazon Payments, added features to CiviCRM to enable the settlement of donations in multiple currencies, added features (including the beginning of an API) and made bugfixes to CentralNotice, discovered and dealt with an issue in the global credit card processing system, and began integration on a new payment processor that will give the fundraising team access to additional payment methods around the world.
and MediaWiki 1.20wmf10
were deployed to the Wikimedia sites in August. We plan to continue with bi-weekly deployments through September.
Chad Horohoe spent a good amount of time fixing issues upstream, including two big improvements to the project listing page. He also cleaned up the Gerrit installation on Labs to more accurately mirror production—also cleaning up the production setup along the way. Initial research was done into replication to GitHub. Finally, Gerrit 2.5 is nearing release, which brings a bunch of new features (like plugins) and fixes. The Labs instance of Gerrit is already running the release candidate. In September, we’ll be upgrading to Gerrit 2.5 and getting repositories replicated out to GitHub.
All Wikimedia sites are now using Swift as the primary storage mechanism for multimedia files such as images (both original images as well as image thumbnails). We continue to write images to our old NFS server as well, though we plan to turn this off in September. Some specialized extensions still use the old NFS server, such as the Math and Timeline extensions. These will be migrated to Swift soon (tentatively in September).
The Scribunto extension has been deployed to test2.wikipedia.org and www.mediawiki.org, and several editors are porting existing templates such as Cite over to Lua (see recent changes in the “Module:” namespace
mostly focused on projects other than OAuth. However, he continued to gather requirements in preparation, including the need for Wikimedia to finalize SUL migration beforehand.
In addition to the Lua work, Tim Starling did some investigation of parallel parsing, but that project may go on the backburner until after Parsoid
goes into production.
Incremental architectural improvements
Tim Starling wrote a new Redis-based client for session handling. This will be important for the Virginia Datacenter Migration.
Admin tools development
added two new major features to the AbuseFilter extension
, global rules and global throttling. Code review was done by Tim Starling
and the changesets were merged successfully. These features will allow the creation of filters that apply to all Wikimedia wikis, which is effective for stopping cross-wiki spambots. Jack Phoenix
released the Phalanx extension
and began working on making it suitable for deployment on Wikimedia servers. During the rest of 2012, the team will work on through their roadmap
: CentralAuth mass account locking, improving, stabilizing and reviewing Phalanx, and evaluating the effectiveness of the current CAPTCHA system and possible replacements for it.
Code review management
The analytics team released code review graphs
, and Brian Wolff created a tool showing a view of unmerged patchsets
and a “Wall of Shame” for authors with several patchsets requiring improvement. Both tools helped inform the discussion
about the code review situation. Sumana Harihareswara encouraged authors
to take steps to get their code reviewed faster, and actively requested reviews for many submissions.
Security auditing and response
Improved filtering in uselang with MediaWiki 1.20/wmf8
fixed several DOM-based XSS vulnerabilities in different gadgets. Chris Steipp fixed 4 security issues in core, and released MediaWiki 1.19.2 and 1.18.5 to include them.
QA and testing
This month saw an emphasis on hiring, with excellent candidates currently being considered for all the positions that will be closely related to QA. With AFTv5
in place in production, testing focus shifted to NewPagesFeed and Page Curation Toolbar
. Due to conflicts of holidays, vacations, time of year, meetings, and general complications, we decided not to hold an explicit community test event for NewPagesFeed/Curation, but test environments and a test plan
will be available for those interested to explore this new feature.
The MediaWiki core and its extensions are now automatically updating, and the beta cluster
is now always using the very latest version published under the master branch of each Git repository.
The TitleBlacklist extension
is the first MediaWiki extension for which tests are now automatically run via Jenkins. The dashboard is at https://integration.mediawiki.org/ci/job/Ext-TitleBlacklist/
and build status is sent back to Gerrit
The team started preparations to move hosting from Labs to a dedicated server (stat1001), and is investigating how to package a nodejs app.
We started working on the migration from dygraphs to d3.js, and improving documentation to ease the on-boarding of our new front-end engineer.
Kraken (Analytics Cluster)
We’re continuing the research and evaluation of udp2log replacements for getting data into the Kraken cluster.
The Wikimedia Foundation is nearing the end of its hiring process for a new Bug Wrangler, who will lead triage
activities and train volunteers to triage as well. In the interim, volunteers such as Krenair and Thehelpfulone have stepped in to partially fill the gap. Volunteer Matanya Moses is planning to lead an online bug triage meeting
, focusing on unreviewed patches, on September 5th.
Summer of Code 2011
A wikitech-l discussion
of new user account creation
drew former GSoC student Akshay Agarwal out of the woodwork to complete work on his SignupAPI extension
. WMF engineers are planning to collaborate with him this autumn. Also, WMF engineers plan to review student Salvatore Ingala’s Gadgets work
as they improve ResourceLoader
Summer of Code 2012
In the end, eight of Wikimedia’s nine Summer of Code 2012
students passed, and each posted a wrapup post on wikitech-l
. Their achievements
have already led to improvements in the Wikimedia Incubator
, and improvements to Semantic MediaWiki and UploadWizard will reach users soon. Improvements to SVG translation, realtime editing collaboration, and other functionality are also progressing as the students clean up, merge, and iterate on their summer work.
Volunteer coordination and outreach
continued to follow up on contacts, recruit new contributors to the Wikimedia tech community, and mentor newer contributors. She granted Developer access
and Gerrit project ownership requests, and worked on planning for the upcoming Bangalore outreach event. Hiring for a volunteer engineering coordinator to work on volunteer coordination and outreach is almost finished. Community discussion topics included Git and Gerrit’s difficulty
, bug triages
, new mailing lists
, transparency and collaboration in feature design
, MediaWiki releases
and a potential community organization
, GSoC’s effectiveness
, code review
, and appreciation for each other
Wikimedia Foundation engineering 20% policy
is coordinating WMF engineers’ efforts to spend 20% of their work time on code review and other efforts benefiting the entire Wikimedia engineering community. Their highest priorities are fixing new urgent bugs, which surface during deployments, and addressing the Gerrit merge queue
, especially for backlogged components such as Wikidata, UploadWizard, and ProofreadPage. Some participants are concentrating on bug triage, documentation, and the extensions awaiting review for deployment
. Some teams were exempt in August from the 20% policy, because of pressing deadlines.
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