Deployments

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Notes:
  • Ask for a little more time than what you think you'll need for deployment and testing; you never know what issues may come up and slow you down.
    • Generally, we have found one hour to be a good size for most things.
  • Deployment windows are 'pinned' to the time in San Francisco and thus the UTC time will change due to the United States observance of Daylight Savings Time as appropriate.
  • SWAT deploys are for pushing out simple and low-risk changes (as assessed by you, SWAT team, and the Release Manager). They happen at:
    • 06:00, 11:00 and 16:00 Pacific on Mondays and Thursdays
    • 06:00 and 16:00 Pacific on Tuesdays
    • 06:00, 10:00 and 16:00 Pacific on Wednesdays

For detailed instructions on how to actually deploy code to the Wikimedia servers, see How to deploy code.

This page tracks planned deployments of software to the Wikimedia Foundation servers that host the various Wikimedia projects (Wikipedia, Wiktionary, Wikiversity, Wikimedia Commons, etc.).

Cadence
The Wikimedia Foundation currently follows a one-week deploy cadence. This means that there is one week between updates to any one Wikimedia project site wiki (excluding urgent fixes, of course).
Scheduling
To schedule a deploy window, or if you see a potential conflict with your upcoming deployment, please e-mail Greg Grossmeier.
Inclusion criteria
See the list at Inclusion criteria for the kinds of changes that require scheduling here.
Long running tasks/scripts
While not strictly a deployment, performing long running (>1 hour) tasks (eg: migration scripts) can encounter issues when code is updated while a script is being run. For this reason it is required to add an entry in the calendar for the task with a window that accounts for the anticipated start time and estimated length for the task.
Communicating
  • Every major or new feature deployment should be announced on the Wikimedia blog and/or Tech News (use the "user-notice" tag on Phabricator) and/or global on-wiki delivery. For routine and maintenance deployments, listing your change here is enough.
  • Changes that are liable to affect site performance or infrastructure should be announced on the ops mailing list. This includes anything that alters caching behavior, introduces cookies, substantially increases the static asset payload, or adds new and complicated query patterns.
Something went wrong‽ (see also Incident response)

Near-term

NOTE: You can subscribe to the "WMF Deployments" google calendar by adding <wikimedia.org_rudis09ii2mm5fk4hgdjeh1u64@group.calendar.google.com>. This does not always get one-off windows that are noted below. This wiki page is the canonical deployment schedule and any differences with the google calendar are to be interpreted as the calendar being wrong.

Week of May 21st

  • Week of:
    • Week of May 21st: WikibaseLexeme to be deployed to wikidata.org (Addshore) Task T191457
    • Deploy multiple schema changes: Task T190148 Task T191519 Task T188299
    • Anomie will be running maintenance/deduplicateArchiveRevId.php on all wikis for Task T193180. This shouldn't block any other work.
    • Anomie will be running maintenance/populateExternallinksIndex60.php on group 0 and 1 wikis for Task T59176. This shouldn't block any other work.
By day
Time Component Deployer Changes

Monday, May 21

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Brian Wolff (bawolff)
  • [config] 433988 Adjust rate limits on commons

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel) Deploy new GUI version
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Weekly Security deployment window Brian (bawolff), Sam (Reedy) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) MaxSem

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Tuesday, May 22

 UTC #
 PDT
WikibaseLexeme wikidata.org deployment Preparation & Backports addshore https://gerrit.wikimedia.org/r/#/q/topic:lexeme_rel1_backports
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Urbanecm
  • [config] N Not done REVERTED - 433987 Revert "Temp rate limit for arwiki due to mass vandalism"
  • [config] N Not done REVERTED - 433440 Enable $wgUseRCPatrol on azwiki
  • [config] 432551 Change liwikibooks logo
  • [config] 432549 Change logo for wikimania2018wiki
  • [config] N Not done 430123 Upload new logos for yiwikisource - postponed
  • [config] N Not done 430124 Use uploaded HD logos for yiwikisource - postponed

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Wikibase dispatch lock manager change addshore https://gerrit.wikimedia.org/r/#/q/topic:wd-dispatch-lockmanager (partially done)
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) addshore
  • 430923 - Wikidata dispatch, remove cron params, use values from mediawiki-config
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train Mukunda (twentyafterfour) 1.32 schedule
group0 1.32.0-wmf.4->1.32.0-wmf.5
group1 1.32.0-wmf.4
group2 1.32.0-wmf.4
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) SMalyshev
  • [config] 433740 Add more wikis to category RDF dump

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Wednesday, May 23

 UTC #
 PDT
WikibaseLexeme wikidata.org deployment addshore https://gerrit.wikimedia.org/r/#/q/topic:lexeme_wd.org_deploy
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) CFisch_WMDE
  • 434692 config change, disable new wikidiff2 inline move paragraphs on production
  • 434697 config change, disable new wikidiff2 inline move paragraphs by default

Urbanecm

  • [config] 434598 Change logo assets for wikimania2018wiki
  • [config] 434600 Enable HD logos for wikimania2018wiki
 UTC #
 PDT
WikibaseLexeme backports addshore
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Amir Sarabadani (Amir1)
  • [config] 434658 Make clients read from term_text instead of term_search_key

Niklas Laxström (Nikerabbit)

  • [Translate] 434700 Fix stale translations (wmf4)
  • [Translate] 434699 Fix stale translations (wmf5)

Hauskatze

  • [config] 433546 zhwiki: let accountcretors remove their permissions from their own account (task T194871)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train Mukunda (twentyafterfour) 1.32 schedule
group0 1.32.0-wmf.5
group1 1.32.0-wmf.4->1.32.0-wmf.5
group2 1.32.0-wmf.4
  • group1 to 1.32.0-wmf.5
    • All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc)
    • Catalan and Hebrew Wikipedias
  • Blockers: Task T191051
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Erik B (ebernhardson)

James_F

  • [wmf.4] 433439 MobileFrontend: Fix layout of editor switcher dropdown (task T194832)
  • [wmf.4] 433339 VisualEditor: Fix typo in API call for version number help
  • [wmf.4,5] 434746 434745 VisualEditor: MWSaveDialog: Fix typo in no-categories branch (task T195323)
  • [config] 433136 security: Remove dangerous unused 'botadmin' group at mlwik{tionary

Thursday, May 24

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
MediaWiki train Mukunda (twentyafterfour) 1.32 schedule
group0 1.32.0-wmf.5
group1 1.32.0-wmf.5
group2 1.32.0-wmf.4->1.32.0-wmf.5
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Amir Sarabadani (Amir1)
  • [wmf.5] 435060 Dumps: Allow several --entity-type arguments

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Week of May 28th

  • Week of:
    • Monday is Memorial Day in the US, a holiday
    • Deploy multiple schema changes: Task T190148 Task T191519 Task T188299
    • Anomie will be running maintenance/populateExternallinksIndex60.php on group 2 wikis for Task T59176. This shouldn't block any other work.
    • Nikerabbit will be running Translate/scripts/refresh-translatable-pages.php on wikis with Translate for Task T195347.
By day
Time Component Deployer Changes

Monday, May 28

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Biplab Anand (Biplab)
  • [config] 435106 Enable Template Editor User Group on Nepali Wikipedia

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Tuesday, May 29

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train Tyler (thcipriani) 1.32 schedule
group0 1.32.0-wmf.5->1.32.0-wmf.6
group1 1.32.0-wmf.5
group2 1.32.0-wmf.5
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Wednesday, May 30

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train Tyler (thcipriani) 1.32 schedule
group0 1.32.0-wmf.6
group1 1.32.0-wmf.5->1.32.0-wmf.6
group2 1.32.0-wmf.5
  • group1 to 1.32.0-wmf.6
    • All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc)
    • Catalan and Hebrew Wikipedias
  • Blockers: Task T191052
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Thursday, May 31

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
MediaWiki train Tyler (thcipriani) 1.32 schedule
group0 1.32.0-wmf.6
group1 1.32.0-wmf.6
group2 1.32.0-wmf.5->1.32.0-wmf.6
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Upcoming

  • Week of June 18th: SRE offsite, no deploys
  • Week of July 2nd: No MW train due to Fourth of July (US Holiday). No SWATs/Service deploys on Wed July 4th, all other days normal.

Past deployments