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 on Mondays to Thursdays at:
    • "European Mid-day SWAT", 04:00 Pacific
    • "Morning SWAT", 11:00 Pacific (except Tuesdays)
    • "Evening SWAT", 16:00 Pacific

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 also 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 06

Time Component Deployer Changes

Monday, April 06

 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), Adam (awight), Martin (Urbanecm) Adam W. (awight)
  • Yes Done [wmf.26 TwoColConflict] 586309 Temporarily disable TwoColConflict for talk pages; EventLogging fixes

Kartik Mistry (kart_)

  • Yes Done [wmf.26 ContentTranslation] 586311 Avoid failure on restoring draft with no categories

Gergő (tgr)

  • Yes Done [config] 585779 Whitelist X-Wikimedia-Debug header for cross-wiki API requests

dcausse

  • Yes Done [config] 580394 cirrus: Increase commonswiki near match weight

Majavah (tassu)

  • Yes Done [config] 586325 Create account creator and rollback groups on yowiki

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-06-eu

 UTC #
 PDT
Creating gr.wikimedia.org Amir (Amir1) Martin (Urbanecm) phab:T245911
 UTC #
 PDT
entitysources: Directly create entitySources config for WMF "test" wikis addshore phab:T248664
 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Annir (nn1l2)
  • 584913 Enable local upload on azbwiki

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-06-morning

 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-06-evening

Tuesday, April 07

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Krinkle
  • 585968 apache: restore stats.wikipedia.org redirect.
  • 587286 mediawiki: add startupregistrystats for testwiki and mediawikiwiki.

Requesting Developer (irc-nickname)

  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Pre MediaWiki train sanity break No Deploys
 UTC #
 PDT
Mediawiki train - American Version Jeena (longma), James (James_F) 1.35 schedule
group0 1.35.0-wmf.26->1.35.0-wmf.27
group1 1.35.0-wmf.26
group2 1.35.0-wmf.26
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-07-evening

Wednesday, April 08

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Cormac Parle (cormacparle)
  • [config] 585766 Enable WikibaseQualityConstraints on test commons

Gergő (tgr)

  • [config] 584133 Deploy GrowthExperiments on Serbian Wikipedia
  • [config] 585219 Enable GrowthExperiments suggested edits on uk, hu, hy, eu wikipedias
  • [config] 584135 Enable GrowthExperiments welcome survey on Ukrainian, Hungarian, Armenian Wikipedias
  • [config] 584183 Enable GrowthExperiments on French Wiktionary

Niklas (Nikerabbit)

  • [config] 587251 Enable MassMessage logging on Beta Cluster

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-08-eu

 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-08-18

 UTC #
 PDT
Mediawiki train - American Version Jeena (longma), James (James_F) 1.35 schedule
group0 1.35.0-wmf.27
group1 1.35.0-wmf.26->1.35.0-wmf.27
group2 1.35.0-wmf.26
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-08-evening

Thursday, April 09

 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), Adam (awight), Martin (Urbanecm) Cormac Parle (cormacparle)
  • [config] 585762 Enable WikibaseQualityConstraints on commons

Kartik Mistry (kart_)

  • [config] 587257 Enable ContentTranslation in Slovenian WP as a default tool

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-09-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-09-morning

 UTC #
 PDT
Mediawiki train - American Version Jeena (longma), James (James_F) 1.35 schedule
group0 1.35.0-wmf.27
group1 1.35.0-wmf.27
group2 1.35.0-wmf.26->1.35.0-wmf.27
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-09-evening

Week of April 13

Time Component Deployer Changes

Monday, April 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)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-13-eu

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

Gerrit hashtag: swat-2020-04-13-morning

 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-13-evening

Tuesday, April 14

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-14-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Pre MediaWiki train sanity break No Deploys
 UTC #
 PDT
Mediawiki train - American+European Version James (James_F), Lars (liw) 1.35 schedule
group0 1.35.0-wmf.27->1.35.0-wmf.28
group1 1.35.0-wmf.27
group2 1.35.0-wmf.27
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-14-evening

Wednesday, April 15

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-15-eu

 UTC #
 PDT
Mediawiki train - American+European Version (secondary timeslot) James (James_F), Lars (liw) 1.35 schedule
group0 1.35.0-wmf.28
group1 1.35.0-wmf.27->1.35.0-wmf.28
group2 1.35.0-wmf.27
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-15-18

 UTC #
 PDT
Mediawiki train - American+European Version James (James_F), Lars (liw) 1.35 schedule
group0 1.35.0-wmf.28
group1 1.35.0-wmf.27->1.35.0-wmf.28
group2 1.35.0-wmf.27
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-15-evening

Thursday, April 16

 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), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-16-eu

 UTC #
 PDT
Mediawiki train - American+European Version (secondary timeslot) James (James_F), Lars (liw) 1.35 schedule
group0 1.35.0-wmf.28
group1 1.35.0-wmf.28
group2 1.35.0-wmf.27->1.35.0-wmf.28
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-16-morning

 UTC #
 PDT
Mediawiki train - American+European Version James (James_F), Lars (liw) 1.35 schedule
group0 1.35.0-wmf.28
group1 1.35.0-wmf.28
group2 1.35.0-wmf.27->1.35.0-wmf.28
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-16-evening

Upcoming events

  • 25 May (Memorial Day): No deploys

Past deployments

See also