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 		Services – Graphoid / 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 		Services – Graphoid / 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 		Services – Graphoid / 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 		Services – Citoid / Zotero Marielle (Mvolz) See - Citoid
– UTC #
– PDT 		European mid-day backport window
(Max 6 patches) 		Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) jan_drewniak
  • [config] 609850 Enable Quicksurveys for Desktop Improvements Project.
  • [config] 610424 Enable limited-width layout for "Latest Vector" on Beta.

DannyS712 (DannyS712)

  • [backport] 610103 DeprecatablePropertyArray: Use MW_VERSION instead of array_key_exists

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)
  • 608709 Varnish: Include request ID in Set-Cookie warning
  • 609226 GrowthExperiments: shorten welcome survey retention window

Requesting Developer (irc-nickname)

  • Gerrit link to Puppet change
– UTC #
– PDT 		Services – Graphoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
– UTC #
– PDT 		Morning backport window
(Max 6 patches) 		Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) jan_drewniak
  • [config] 610797 Fix this mornings quicksurvey deployment.

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 		Services – Graphoid / 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 #
(Mon) – PDT 		s6 database master failover marostegui T257253
– 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 		Services – Graphoid / 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 #
(Tue) – PDT 		x1 database master failover marostegui, jynus, kormat T254871
– 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 		Services – Graphoid / 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 		Services – Graphoid / 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

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