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 May 20th

  • Week of:
By day
Time Component Deployer Changes

Monday, May 20

 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)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-20-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) Deploy WDQS GUI update
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-20-morning

 UTC #
 PDT
ServicesParsoid / 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)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-20-evening

Tuesday, May 21

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Michael Große (Michael_WMDE)
  • [config] 505816 Define wmgUseEntitySchema
  • [config] 511677 Enable EntitySchema extension on beta-wikidatawiki

Matthias Mullie (matthiasmullie)

  • [config] [beta] 511643 [SDC] Configure new properties to use as qualifiers on beta

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-21-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Antoine (hashar) 1.34 schedule
group0 1.34.0-wmf.5->1.34.0-wmf.6
group1 1.34.0-wmf.5
group2 1.34.0-wmf.5
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - Americas version See the European version
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Adam Wight (awight)
  • 511678 Point beta commonswiki to local CommonsHelper config
  • 511667 Remove deprecated wikidiff2 config
  • 511668 Remove deprecated wikidiff2 $wmg variable

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-21-evening

Wednesday, May 22

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Matthias Mullie (matthiasmullie)
  • [config] 511674 [SDC] Enable depicts qualifiers on testcommons

Amir Sarabadani (Amir1)

  • [config] 509878 Add configuration for EntitySchema ShExSimpleUrl
  • [config] 503342 Remove constraint-suggestions beta feature

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-22-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Antoine (hashar) 1.34 schedule
group0 1.34.0-wmf.6
group1 1.34.0-wmf.5->1.34.0-wmf.6
group2 1.34.0-wmf.5
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-22-morning

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 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)) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) David Barratt (davidwbarratt)
  • [config] 511889 Enable Partial Blocks on more Wikipedias

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-22-evening

Thursday, May 23

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
Deploy Entity Schema to testwikidatawiki Amir Sarabadani (Amir1) phab:T216956
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-23-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Antoine (hashar) 1.34 schedule
group0 1.34.0-wmf.6
group1 1.34.0-wmf.6
group2 1.34.0-wmf.5->1.34.0-wmf.6
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Andrew Otto (ottomata)
  • [config] 510299 - no-op - add (unused) eventgate-main Event Service definition

Bartosz (MatmaRex)

  • [config] 511016 - no-op - Simplify VisualEditor config variables (1/2)
  • [config] 511029 - no-op - Simplify VisualEditor config variables (2/2)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-23-morning

 UTC #
 PDT
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Erik B (ebernhardson)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-23-evening

Week of May 27th

  • Week of:
    • Monday: US Holiday, no deploys.
By day
Time Component Deployer Changes

Monday, May 27

 UTC #
(Sun)  PDT
No deploys - US Holiday Everyone No deploys - US Holiday

Tuesday, May 28

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Urbanecm
  • [config] 512422 Add abusefilter-modify-restricted to abusefilter group on plwiki
  • [config] 512426 Use underscores instead of spaces in wgMetaNamespace for several Urdu projects

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-28-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.6->1.34.0-wmf.7
group1 1.34.0-wmf.6
group2 1.34.0-wmf.6
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - Americas version See the European version
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-28-evening

Wednesday, May 29

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) razesoldier
  • [config] 507932 Enable FlaggedRevisions on zhwiki

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-29-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.7
group1 1.34.0-wmf.6->1.34.0-wmf.7
group2 1.34.0-wmf.6
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-29-morning

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 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)) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-29-evening

Thursday, May 30

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-30-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.7
group1 1.34.0-wmf.7
group2 1.34.0-wmf.6->1.34.0-wmf.7
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-30-morning

 UTC #
 PDT
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-30-evening

Week of June 3rd

  • Week of:
By day
Time Component Deployer Changes

Monday, June 03

 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)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-03-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) Deploy WDQS GUI update
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-03-morning

 UTC #
 PDT
ServicesParsoid / 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)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-03-evening

Tuesday, June 04

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-04-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.7->1.34.0-wmf.8
group1 1.34.0-wmf.7
group2 1.34.0-wmf.7
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - Americas version See the European version
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-04-evening

Wednesday, June 05

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-05-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.8
group1 1.34.0-wmf.7->1.34.0-wmf.8
group2 1.34.0-wmf.7
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-05-morning

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 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)) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-05-evening

Thursday, June 06

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-06-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - European version Zeljko (zeljkof) 1.34 schedule
group0 1.34.0-wmf.8
group1 1.34.0-wmf.8
group2 1.34.0-wmf.7->1.34.0-wmf.8
 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)) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-06-morning

 UTC #
 PDT
MediaWiki train - Americas version See the European version.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-06-06-evening

Upcoming

Past deployments