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.

Deployments

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 September 17th

  • Week of:
    • nothing yet...
By day
Time Component Deployer Changes

Monday, September 17

 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), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) revi
  • 460622 Enable FileExport on Korean Wikipedia

Hauskatze

  • [config] 460864 Enable WikidataPageBanner for glwiki - T199713.
  • [wmf.20] 460860 CongressLookup data updates (1/2).
  • [wmf.20] 460861 CongressLookup data updates (2/2).

gilles

  • [config] 460868 Disable thumbnail prerendering on private wikis - T204478.

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel) Deploy GUI update and new Updater build
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
RoanKattouw and stephanebisson stephanebisson, RoanKattouw:
  • [config] 458583 Enable PageTriage AfC on enwiki and run populateDraftQueue.php (T203184)

Étienne (Ebe123)

  • 458910 Check for override_midi in TMH player

Tomasz (odder)

  • [config] 460773 Update logos for Lezgian Wikipedia

Baha (bmansurov) Enable logging for CitationUsage and CitationUsagePageLoad

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), 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

Tuesday, September 18

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.20>1.32.0-wmf.22
group1 1.32.0-wmf.20
group2 1.32.0-wmf.20
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) thcipriani
  • 458523 - Replace "wikimedia-polygerrit-style" plugin with gerrit-theme
  • 458833 - Gerrit: Add footer link for CoC and Privacy Policy
  • 460914 - Gerrit: Add CoC and Privacy Policy to old UI

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
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Erik B (ebernhardson)
  • [config] 460430 Add CirrusSearch cluster name to siteinfo
  • [config] 461088 Remove unused CirrusSearch configuration
  • [config] 454588 Increase cirrus shard counts for wikidata and commons

Krinkle

  • 461227 [wmf.22] mediawiki.util: Optimise addPortletLink
  • 461230 [wmf.22] WikimediaMessages: Fix override of wikimedia-interfaceadmin-info

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Wednesday, September 19

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.22
group1 1.32.0-wmf.20->1.32.0-wmf.22
group2 1.32.0-wmf.20
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) stephanebisson
  • [wmf.22] 461363 ApiCrossWiki: Handle needsToken() returning false (UBN)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
MediaWiki train - Americas version See the European version.
 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), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Jdlrobson
  • [config] Enable Page issus A/B test for Latvian wiki 461420
  • [config] Remove obsolete $wgPopupsBetaFeature 450906
  • [config] Remove obsolete $wgPopupsBetaFeature444574
  • [config] Remove obsolete $wgPopupsBetaFeature452863

RoanKattouw

  • [wmf.22] 461430 ArticleCompileProcessor: Use last edit timestamp for ptrp_reviewed_updated
  • [wmf.22] 461450 Find pages in queue that don't have afc_state
  • [wmf.22] 461465 Maintenance script to delete afc_states

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Thursday, September 20

 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), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) David Causse (dcausse)
  • [config] 446801 search.wikimedia.org should properly handle multivalue separation char (0x1F)

Urbanecm

  • [config] 455853 Introduce engineer user group on Czech Wikipedia
  • [config] 455395 Create new namespaces in zhwikiversity (namespaceDupes.php wanted after deploying)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.22
group1 1.32.0-wmf.22
group2 1.32.0-wmf.20->1.32.0-wmf.22
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), 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), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Baha (bmansurov) Enable logging for CitationUsage and CitationUsagePageLoad

stephanebisson

  • [wmf.22] 461424 Correctly sync the form when afc_state === 'all'
  • [wmf.22] 461648 Use same api params for list and stats on page load

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) C. Scott Ananian (cscott):
  • [config] 443645 Remove $wgUseTidy and $wgTidyConfig from configuration (T175706)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Week of September 24th

  • Week of:
    • nothing yet...
By day
Time Component Deployer Changes

Monday, September 24

 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), 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
Wikidata Query Service weekly deploy Guillaume (gehel) Deploy GUI update and new Updater build
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
RoanKattouw and stephanebisson 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), 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

Tuesday, September 25

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.22>1.32.0-wmf.23
group1 1.32.0-wmf.22
group2 1.32.0-wmf.22
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), 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
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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, September 26

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.23
group1 1.32.0-wmf.22->1.32.0-wmf.23
group2 1.32.0-wmf.22
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 - Americas version See the European version.
 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), 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, September 27

 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), 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 - European version Antoine (hashar) 1.32 schedule
group0 1.32.0-wmf.23
group1 1.32.0-wmf.23
group2 1.32.0-wmf.22->1.32.0-wmf.23
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), 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), 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 - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
addshore, Antoine (hashar), 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 Oct 8, no Train, no service deployment, datacenter switchover

Past deployments