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 google calendar being incorrect.

Week of April 22nd

  • Week of:
    • Release Engeering team offsite, no MediaWiki train this week.
By day
Time Component Deployer Changes

Monday, April 22

– UTC #
– PDT 		No deploys – Foundation holiday.

Tuesday, April 23

– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Kartik Mistry (kart_)
  • [config] 505220 Use higher unmodified MT threshold for Indonesian Wikipedia

rxy

  • [wmf.1] 505485 Add support for new Japanese era name "Reiwa"

bmansurov

  • [config] 505643 Turn off logging for CitationUsage and CitationUsagePageLoad

Krenair

  • [config] 505059 deployment-prep: Use new poolcounter instance
  • [config] 505060 deployment-prep: Use new ms-fe instance

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-23-eu

– UTC #
– PDT 		Structured Data on Commons Phase II deployment ("depicts") matthiasmullie https://gerrit.wikimedia.org/r/#/c/498145/ T218913
– UTC #
– PDT 		Puppet SWAT
(Max 6 patches) 		Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
– UTC #
– PDT 		EventGate Analytics Andrew Otto (ottomata), Petr Pchelko (Pchelolo) Enable api-request logging on all wikis
  • [config] 505787 Enable api-request logging to EventGate on all wikis
– UTC #
– PDT 		Services – Graphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)) See Graphoid, mw:Parsoid/Deployments
– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) rxy
  • Done [wmf.1] 505485 Add support for new Japanese era name "Reiwa"

Kosta Harlan (kostajh)

  • Done [wmf.1] 505855 Fix validation errors due to state=
  • Done [wmf.1] 506006 Fix EventLogging errors

James_F

  • Done [wmf.1] 506022 VisualEditor: Restore external paste sanitization of DOM elements

Zoranzoki21

  • Done [config] 506024 Add "autoreviewer" to $wgRestrictionLevels on ptwikinews

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-23-evening

Wednesday, April 24

– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-04-24-eu

– UTC #
– PDT 		Morning SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Kosta Harlan (kostajh)
  • [wmf.1] 506175 Make getState() public

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-24-morning

– UTC #
– PDT 		Services – Parsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)) See mw:Parsoid/Deployments, Mobileapps deployments
– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) SMalyshev
  • [wmf.1] 506209 Merge tokenizers when merging language analyzers

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-24-evening

Thursday, April 25

– UTC #
(Wed) – PDT 		Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Lucas Werkmeister (Lucas_WMDE)
  • [wmf.1] 505763 Enable constraint suggestions for everyone
  • [wmf.1] 505764 Remove beta feature for constraint suggestions

Urbanecm

  • [config] 506134 Create new namespace "Edice" for cswikisource

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-25-eu

– UTC #
– PDT 		Puppet SWAT
(Max 6 patches) 		Filippo (godog), Giuseppe (_joe_), Daniel (mutante)
– UTC #
– PDT 		Services – Graphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)) See Graphoid, mw:Parsoid/Deployments
– UTC #
– PDT 		Morning SWAT
(Max 6 patches) 		Antoine (hashar), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof) Kosta Harlan (kostajh)
  • [wmf.1] 506210 EventLogging: Make namespace int, use enum for impact module state

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-04-25-morning

– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-04-25-evening

Week of April 29th

  • Week of:
By day
Time Component Deployer Changes

Monday, April 29

– 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) 		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

Gerrit hashtag: swat-2019-04-29-eu

– UTC #
– PDT 		Wikidata Query Service weekly deploy Guillaume (gehel),

Mathew (onimisionipe)

– 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) framawiki (framawiki)

Gerrit hashtag: swat-2019-04-29-morning

– UTC #
– PDT 		Services – Parsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)) 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) 		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

Gerrit hashtag: swat-2019-04-29-evening

Tuesday, April 30

– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-04-30-eu

– UTC #
– PDT 		Pre MediaWiki train sanity break No deploys
– UTC #
– PDT 		MediaWiki train - European version See America's version.
– UTC #
– PDT 		Puppet SWAT
(Max 6 patches) 		Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
– UTC #
– PDT 		Services – Graphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)) See Graphoid, mw:Parsoid/Deployments
– UTC #
– PDT 		Pre MediaWiki train sanity break No deploys
– UTC #
– PDT 		MediaWiki train - Americas version Tyler (thcipriani) 1.34 schedule
group0 1.34.0-wmf.1->1.34.0-wmf.3
group1 1.34.0-wmf.1
group2 1.34.0-wmf.1
– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-04-30-evening

Wednesday, May 01

– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-01-eu

– UTC #
– PDT 		Pre MediaWiki train sanity break No deploys
– UTC #
– PDT 		MediaWiki train - European version See America's version.
– UTC #
– PDT 		Morning SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-01-morning

– UTC #
– PDT 		Pre MediaWiki train sanity break No deploys
– UTC #
– PDT 		MediaWiki train - Americas version Tyler (thcipriani) 1.34 schedule
group0 1.34.0-wmf.3
group1 1.34.0-wmf.1->1.34.0-wmf.3
group2 1.34.0-wmf.1
– UTC #
– PDT 		Services – Parsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)) See mw:Parsoid/Deployments, Mobileapps deployments
– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-01-evening

Thursday, May 02

– UTC #
(Wed) – PDT 		Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
– UTC #
– PDT 		European Mid-day SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-02-eu

– UTC #
– PDT 		Pre MediaWiki train sanity break No deploys
– UTC #
– PDT 		MediaWiki train - European version See America's version.
– UTC #
– PDT 		Puppet SWAT
(Max 6 patches) 		Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
– UTC #
– PDT 		Services – Graphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)) See Graphoid, mw:Parsoid/Deployments
– UTC #
– PDT 		Morning SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-02-morning

– UTC #
– PDT 		MediaWiki train - Americas version Tyler (thcipriani) 1.34 schedule
group0 1.34.0-wmf.3
group1 1.34.0-wmf.3
group2 1.34.0-wmf.1->1.34.0-wmf.3
– UTC #
– PDT 		Evening SWAT
(Max 6 patches) 		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

Gerrit hashtag: swat-2019-05-02-evening

Upcoming

Past deployments

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