Wikimedia Language engineering/Reports/2019/October

September 2019 Wikimedia Language engineering monthly report for October 2019 November 2019

Monthly updates from the Wikimedia Language team about changes to internationalization and translation and other language support features. Names of people assumed to contribute as volunteers are in bold text.


Content Translation[edit]

Content Translation allows people to translate Wikipedia articles. Also check out out the updates about version 2.

Usage data[edit]

Content Translation monthly data October 2019 Comments
Articles created (during the month) 13516
Articles created till end of month 537402
Number of new translators (during the month) 953
Highest number of articles created by one user

(cumulative number till end of the month)

10003 vi
Highest number of translators for a Wikipedia

(cumulative number till end of the month)

8720 es
Highest number of translations last month for a Wikipedia 1289 es
Total number of translators with only 1 published article

(cumulative number till end of the month)

Total number of translators with only 2 published articles

(cumulative number till end of the month)

Total number of translators with only 3 published articles

(cumulative number till end of the month)

Total number of translators with only 4 published articles

(cumulative number till end of the month)

Total number of translators with >= 5 and < 20 published articles

(cumulative number till end of the month)

Total number of translators with >= 20 and < 100 published articles

(cumulative number till end of the month)

Total number of translators with >= 100 published articles

(cumulative number till end of the month)

Articles deleted (during the month) 394


Wikimedia's software is translated to hundreds of languages using the Translate extension for MediaWiki. In addition it is used to translate help pages, newsletters, policies, announcements, banners, etc. It is installed on Wikimedia special projects, and many other sites. Translate is part of MLEB.

  • Removed deprecated and unmaintained SolrTTMServer. Recommendation is to migrate to ElasticSearch. (Phab:T87985)
  • Universal Language Selector is no longer listed as composer dependency. Make sure you have Universal Language Selector installed by other means.
  • Fixed regression that broke saving translations. (Phab:T233200)
  • Fixed an issue that prevented moving translatable pages in namespace without subpages. (Phab:T215202)
  • Dropped support for HHVM.
  • Avoid usage of deprecated $wgContLang global (Gerrit Patch)
  • Fix expanding of multiple times nested groups on Special:LanguageStats (Gerrit Patch)
  • Removed hr element from page translation header (Phab:T220841)
  • Implemented used X times in translation memory suggestions (Phab:T47686)
  • Page translation section names can no longer contain underscore or dash.
  • Special:ManageMessageGroups gained support for renaming message keys. (Phab:T196601)

And a bunch of other behind the scenes improvements. Please follow this link to see a full list of patches submitted to the extension during this month.

Usage data[edit]

  • Translatable pages: Meta 4771 (-21); 4356 (+40); Commons 1310 (+8) [1][2][3]
  • Translate extension is installed on 299 (+1) wikis [1].

Universal Language Selector[edit]

Universal Language Selector provides language selector, list of suggested languages, input methods and web fonts. It is part of MLEB.

Other extensions[edit]

Babel (part of MLEB):

cldr (Common Locale Data Repository) (part of MLEB):

CleanChanges (part of MLEB):

LocalisationUpdate (part of MLEB):


MediaWiki Language Extension Bundle[edit]

The MediaWiki language extension bundle (MLEB) provides an easy way to bring ultimate language support to your MediaWiki. The bundle is a collection of a selected few MediaWiki extensions needed by any wiki which desires to be multilingual.

MLEB 2019.10 was released this month. Please see the release notes for a list of changes.

MediaWiki core internationalization[edit]

Changes to translations and equivalent localisation data (magic words, namespace names) are not included in this list. The volunteer translators are updating translations every day to keep up with changes.

Project Milkshake[edit]

Project Milkshake consists of four re-usable jquery internationalization libraries.





See also news page.


  • About 62 (-20) new users [2]
  • About 301 (-47) translators made about 52.000 (+2500) edits [3][4]
  • About 72 (-20) translators reviewed about 21.100 (+2.250) translations[5][6]


Deployments and other site related updates[edit]

Cross team work/requirements[edit]

Public communication and outreach[edit]

Team status[edit]