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 July 16th

By day
Time Component Deployer Changes

Monday, July 16

 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) Zoranzoki21
  • [config] 444664 Create Publisher namespace in Bengali Wikisource
    • After deployment, run mwscript namespaceDupes.php --wiki=bnwikisource
  • [config] 445952 Remove frwiki outdated entries in robots.txt
  • [config] 445953 Enable ULS webfonts by default at Burmese Wikipedia (mywiki)

Sam Smith (phuedx)

  • [wmf/1.32.0-wmf.12] 445957 WebReponse: Use values altered in 'WebResponseSetCookie' hook

Amir Sarabadani (Amir1)

  • [config] 445969 Write to the new change tag backend in frwiki

framawiki (framawiki)

  • [config] 445929 Create Reconstruction NS at frwikt

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel) TBD
 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
  • [config] 440642 Graduate Watchlist filters out of beta on remaining wikis
    • After deployment, run foreachwikiindblist /home/catrope/wlfilters-phase2.dblist initUserPreference.php -s rcenhancedfilters -t wlenhancedfilters-seen-tour on mwmaint1001.

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, July 17

 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) Zoranzoki21
  • [config] 444664 Create Publisher namespace in Bengali Wikisource
    • After deployment, run mwscript namespaceDupes.php --wiki=bnwikisource
  • [config] 445953 Enable ULS webfonts by default at Burmese Wikipedia (mywiki)
  • [config] 446005 Create Thesaurus NS at thwikt
    • [Bugfix of 446005]: [config] 446291 Fix problem with namespaces at patch 446005

Kartik Mistry (kart_)

  • [wmf.12] 446212 Fix colors on CX1

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 Zeljko (zeljkof) 1.32 schedule
group0 1.32.0-wmf.12->1.32.0-wmf.13
group1 1.32.0-wmf.12
group2 1.32.0-wmf.12
 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
MediaWiki train - Americas version See the European timezone window for this week's train.
 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, July 18

 UTC #
(Tue)  PDT
Database Maintenance jynus and marostegui s1 database master failover Task T197069
 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 Zeljko (zeljkof) 1.32 schedule
group0 1.32.0-wmf.13
group1 1.32.0-wmf.12->1.32.0-wmf.13
group2 1.32.0-wmf.12
 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 timezone window for this week's train.
 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, July 19

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
(Wed)  PDT
ContentTranslation Draft Purge Kartik Mistry (kart_) Run maintenance script to remove old drafts from ContentTranslation database (phab:T199658)
  • Run: mwscript extensions/ContentTranslation/scripts/purge-unpublished-drafts.php --age-in-days=1150 --wiki=enwiki --really Log the output.
 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) Gergő (tgr)
  • [config] 444567 Enable TemplateStyles on enwiki

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 Zeljko (zeljkof) 1.32 schedule
group0 1.32.0-wmf.13
group1 1.32.0-wmf.13
group2 1.32.0-wmf.12->1.32.0-wmf.13
 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), 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 timezone window for this week's train.
 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

Week of July 23rd

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

Monday, July 23

 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) TBD
 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
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, July 24

 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.13->1.32.0-wmf.14
group1 1.32.0-wmf.13
group2 1.32.0-wmf.13
 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
MediaWiki train - Americas version See the European timezone window for this week's train.
 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, July 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.14
group1 1.32.0-wmf.13->1.32.0-wmf.14
group2 1.32.0-wmf.13
 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 timezone window for this week's train.
 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, July 26

 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.14
group1 1.32.0-wmf.14
group2 1.32.0-wmf.13->1.32.0-wmf.14
 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), 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 timezone window for this week's train.
 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

Past deployments