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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.
  • Backport windows are for pushing out simple and low-risk changes (as assessed by you, backport team, and the Release Engineering Team). They happen on Mondays to Thursdays at:
    • "European Mid-day backport window", 04:00 Pacific
    • "Morning backport window", 11:00 Pacific (except Tuesdays)
    • "Evening backport window", 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 upcoming deployments of software to the Wikimedia Foundation servers that host Wikimedia project sites (Wikipedia, Wiktionary, Wikiversity, Wikimedia Commons, etc.).

Cadence
For the core software ("MediaWiki"): 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).
For other non-core software: Each team is responsible for their own schedule.
Scheduling
You don't need to schedule a deploy window for most changes; they can be deployed using existing Backport windows that are already scheduled several times a week.
To schedule a deploy window, or if you see a potential conflict with your upcoming deployment, please contact the Release Engineering Team on IRC at #wikimedia-releng connect; pinging Greg (greg-g) or Tyler (thcipriani) directly helps.
Inclusion criteria
See the list at /Inclusion criteria for the kinds of changes that require scheduling a new deployment window.
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 July 06

Time Component Deployer Changes

Sunday, July 05

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Monday, July 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 backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Taavi (Majavah)
  • [config] 609472 Remove "Create a book" link from sidebar on Finnish Wikipedia
  • [config] 609700 Add arxiv.org to commonswiki wgCopyUploadsDomains

Kosta Harlan (kostajh)

  • [config] 608297 GrowthExperiments: Remove overrides to welcome survey privacy policy URL

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Wikidata Query Service weekly deploy Ryan (ryankemper) 608131
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) ProcrastinatingReader (ProcReader)
  • [config] 608440 Add arbcom group to plwiki

Huji (Huji)

  • [config] 608222 Add 'abusefilter-view' as a default right for the CU log user

Addshore

  • 569260 Commons: Define entity sources configuration
  • 608839 Wikidata client wikis: Define entity sources configuration (take 2)
  • Extras if time (below)
  • 608944 Wikibase: stop using wmgUseEntitySourceBasedFederation
  • 569263 Wikibase: Removed config option wmgUseEntitySourceBasedFederation

Bartosz (MatmaRex)

  • [config] 608619 Enable validation of new signatures

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / 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 backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) VulpesVulpes825 (VulpesVulpes825)
  • [config] 609508 Change the remaining namespace default aliases from Chinese to English for Zh Projects
  • [config] 609559 Don't index NS_USER on hywiki

Jdlrobson

  • [config] 609831 Enable sidebar instrumentation on test wikipedia

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Tuesday, July 07

 UTC #
(Mon)  PDT
es5 database master failover marostegui, jynus, kormat T255755
 UTC #
 PDT
Reverting some reverts & config change addshore addshore
  • gerrit:609971 Enable sitelinks to testcommons from test wikidata sites
  • gerrit:609645 Wikibase: stop using wmgUseEntitySourceBasedFederation (take 2)
  • gerrit:609986 Wikibase: Remove config option wmgUseEntitySourceBasedFederation (take 2)
 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) hauskatze
  • [config] 609990 [arwiki] Grant 'patrolmarks' to all - T257106
  • [config] 609991 [hiwikibooks] Translate sitename for hi.wikibooks - T256587

Not deployed. Window was occupied with other tasks that had priority. I'll try to reschedule. — MarcoAurelio (talk) 11:30, 7 July 2020 (UTC)

 UTC #
 PDT
Puppet request window
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Pre MediaWiki train sanity break No Deploys
 UTC #
 PDT
Mediawiki train - American+European Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.39->1.35.0-wmf.40
group1 1.35.0-wmf.39
group2 1.35.0-wmf.39
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Wednesday, July 08

 UTC #
 PDT
m1 database master failover marostegui, jynus, akosiarios T256717
 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Adam W. (awight)
  • Yes Done [config] 610056 Provision WMDE TeWü survey for prototype 1

Gergő (tgr)

  • Yes Done [beta config] 608892 Remove old incorrect GrowthExperiments survey config from beta kowiki

hauskatze

Taavi (Majavah)

  • Yes Done [config] 610268 Add nature.com to commonswiki wgCopyUploadDomains

Seddon (Seddon)

  • Yes Done [config] 610234 Undeploy graphoid to low usage wikis
 UTC #
 PDT
Mediawiki train - American+European Version (secondary timeslot) Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.40
group1 1.35.0-wmf.39->1.35.0-wmf.40
group2 1.35.0-wmf.39
 UTC #
 PDT
Train log triage with CPT Mukunda (twentyafterfour), James (James_F) + CPT See Heterogeneous_deployment/Train_deploys#Breakage
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Jdlrobson
  • [config] 609850 Enable Quicksurveys for Desktop Improvements Project. Not deployed, Jdlrobson wasn't present

Petr Pchelko (Pchelolo)

  • 607593 Disable HTCP purging everywhere
  • 607596 Cleanup: remove temporary wmgDisableHTCP variable
  • 610160 Add wgEventServiceDefault to refactor EventBus event stream config

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - American+European Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.40
group1 1.35.0-wmf.39->1.35.0-wmf.40
group2 1.35.0-wmf.39
 UTC #
 PDT
ServicesGraphoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Thursday, July 09

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
ServicesCitoid / Zotero Marielle (Mvolz) See - Citoid
 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) JDrewniak
  • [config] 609850 Enable Quicksurveys for Desktop Improvements Project.

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - American+European Version (secondary timeslot) Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.40
group1 1.35.0-wmf.40
group2 1.35.0-wmf.39->1.35.0-wmf.40
 UTC #
 PDT
Puppet request window
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Gergő (tgr)
  • 609226 GrowthExperiments: shorten welcome survey retention window

Requesting Developer (irc-nickname)

  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - American+European Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.40
group1 1.35.0-wmf.40
group2 1.35.0-wmf.39->1.35.0-wmf.40
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Friday, July 10

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Saturday, July 11

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Week of July 13

Time Component Deployer Changes

Sunday, July 12

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Monday, July 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 backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 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 backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Tuesday, July 14

 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) 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+American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.40->1.35.0-wmf.41
group1 1.35.0-wmf.40
group2 1.35.0-wmf.40
 UTC #
 PDT
Special Gerrit window
(Gerrit SSH host keys will change)
mutante, qchris, paladox Gerrit SSH host keys will change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - European+American Version (secondary timeslot) James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.40->1.35.0-wmf.41
group1 1.35.0-wmf.40
group2 1.35.0-wmf.40
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Wednesday, July 15

 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) 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+American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.41
group1 1.35.0-wmf.40->1.35.0-wmf.41
group2 1.35.0-wmf.40
 UTC #
 PDT
Train log triage with CPT James (James_F), Jeena (longma) + CPT See Heterogeneous_deployment/Train_deploys#Breakage
 UTC #
 PDT
Morning backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - European+American Version (secondary timeslot) James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.41
group1 1.35.0-wmf.40->1.35.0-wmf.41
group2 1.35.0-wmf.40
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Thursday, July 16

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European mid-day backport window
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) 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+American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.41
group1 1.35.0-wmf.41
group2 1.35.0-wmf.40->1.35.0-wmf.41
 UTC #
 PDT
Puppet request window
(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 backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
Mediawiki train - European+American Version (secondary timeslot) James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.41
group1 1.35.0-wmf.41
group2 1.35.0-wmf.40->1.35.0-wmf.41
 UTC #
 PDT
Evening backport window
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Friday, July 17

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Saturday, July 18

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys


Upcoming events

Past deployments

See also