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 13th

  • Week of:
By day
Time Component Deployer Changes

Monday, May 13

 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)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Alexandros (akosiaris)
  • 377269 Revert "sshd_config: Increase MaxAuthTries T172333. Note: This should happen ~30 mins before SWAT. Scheduled right before to ease correlation of problems introduced by it with SWAT issues

Petr (Pchelolo)

  • [wmf/1.34.0-wmf.4] [VisualEditor] 508867 ArticleTargetLoader: Add `stash=true` query param to RB HTML fetching

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-13-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) Hold
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) framawiki (framawiki)

Gerrit hashtag: swat-2019-05-13-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-2019-05-13-evening

Tuesday, May 14

 UTC #
(Mon)  PDT
Change parsercache key marostegui T210725
 UTC #
 PDT
MediaWiki wmf branch cut Antoine (hashar) and Lars 1.34 schedule
group0 1.34.0-wmf.4->1.34.0-wmf.5
group1 1.34.0-wmf.4
group2 1.34.0-wmf.4
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Kartik Mistry (kart_)
  • Done 508818 Decrease idwiki MT threshold for publishing

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-14-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.4->1.34.0-wmf.5
group1 1.34.0-wmf.4
group2 1.34.0-wmf.4
 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
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Zoranzoki21
  • 510269 Enable RCPatrol and some rights on Croatian projects

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-14-evening

Wednesday, May 15

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Bartosz (MatmaRex)
  • [wmf.4] 510217 VisualEditorHooks: Use isVisualAvailable() when changing tabs/editsections
  • [wmf.4] 510218 DesktopArticleTarget.init: Allow veaction=edit to override namespace settings

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-15-eu

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Giuseppe Lavagetto (_joe_)
  • [wmf.4] 510431 Remove the PHP7 beta feature; open the sampling to logged-in users too.
  • [wmf.5] 510430 Remove the PHP7 beta feature; open the sampling to logged-in users too.

Zoranzoki21

  • 510269 Enable RCPatrol and some rights on Croatian projects

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-15-morning

 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
group1 1.34.0-wmf.4->1.34.0-wmf.5
group2 1.34.0-wmf.4
 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-2019-05-15-evening

Thursday, May 16

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) Michael Große (WMDE) (Michael_WMDE)
  • [config] 509437 Add EntitySchema to extension-list

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-05-16-eu

 UTC #
 PDT
MediaWiki train - European version Antoine (hashar) 1.34 schedule
group0 1.34.0-wmf.5
group1 1.34.0-wmf.5
group2 1.34.0-wmf.4->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
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-2019-05-16-morning

 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-2019-05-16-evening

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)
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)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) 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) 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)
Max (MaxSem), Roan (RoanKattouw), or Niharika (Niharika) 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) 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
European Mid-day 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-2019-05-23-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) 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) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

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

Upcoming

Past deployments