Deployments

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Some notes about the deployment windows
  • It is good to ask for a little more time than what you think you'll need to do all of the deployment and testing; you never know what issues will come up and slow you down.
    • Generally, we have found one hour windows 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 happen thrice daily (06:00, 11:00 and 16:00 Pacific) and are for pushing out simple, quick, and low risk changes (as assessed by you, members of the SWAT team, and the Release Manager).

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 project wikis (Wikipedias, Wiktionaries, Wikiversities, 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.

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 is wrong.

Week of December 5th

  • Week of:
By day
Time Component Deployer Changes

Monday, December 05

 UTC #
 PST
ElectronPdfService extension addshore Addshore
  • 1.29.0-wmf.4 324791 Use prefixedDbKey when redirecting to Electron
  • config 324487 Enable ElectronPdfService extension on test wikis & mediawikiwiki
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Bartosz (MatmaRex)

MarcoAurelio (mafk)

aude

Antoine Musso (hashar)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
Weekly Wikidata query service deployment window Guillaume (gehel) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) RoanKattouw
  • 324764 Re-enable Flow beta feature
  • 324792 Prepare for $wgEchoConfig -> $wgEchoEventLoggingSchemas rename
  • 325152 Prepare for Flow extension.json change

Bartosz (MatmaRex)

Erik B (ebernhardson)

  • [config] 325329 Turn off CirrusSeach interwiki load test

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
ServicesParsoid / OCG / Citoid / Mobileapps / ORES / … Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Michael (mdholloway), Aaron (halfak), Amir (Amir1), and Yuri (yurik) See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments
 UTC #
 PST
Weekly Security deployment window Darian (dapatrick), Brian (bawolff), Sam (Reedy) Held deployment window for Security-team related deploys.

Tuesday, December 06

 UTC #
(Mon)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Jon (jdlrobson)
  • 325365 [config] Enable ReadMore on mobile jawiki and eswiki
  • 325369 [config] Enable banners on Finnish Wikivoyage
  • 325370 [config] Disable Wikipedia beta banner experiment
  • 325366 [config] Roll out wikidata description taglines to French and German Wikipedias

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Urbanecm
  • [config] 325275 Create import sources list for hsbwiki
  • [config] 325323 Disable wgAbuseFilterProfile at cswiki

dcausse

  • [config] 319253 Add a wiki configuration tag for configured language
  • [config] 324738 [cirrus] enable BM25 on all but wikis with spaceless languages [step 1/3]

kaldari

  • [config] 322667 Re-enable 'centralauth-rename' rights for when maintenance is done

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
Puppet SWAT
(Max 8 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
ServicesGraphoid / Parsoid / OCG / Citoid / ORES Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments, OCG/Deployments
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Erik B (ebernhardson)
  • [wmf.4] [wmf.5] 325328 Add job queue to PageImages initImageData maint script

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
MediaWiki train Chad (ostriches) 1.29 schedule
group0 1.29.0-wmf.4->1.29.0-wmf.5
group1 1.29.0-wmf.4
group2 1.29.0-wmf.4

Wednesday, December 07

 UTC #
(Tue)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Bartosz (MatmaRex)
  • [wmf.5] 325625 [mediawiki/extensions/UploadWizard] Update checks for .fromURL for Flickr upload to fix automatic deeds

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Gerrit upgrade to 2.13.3 Chad (ostriches), godog What it says on the tin, upgrading Gerrit. Minor downtime.
 UTC #
 PST
MediaWiki train Chad (ostriches) 1.29 schedule
group0 1.29.0-wmf.5
group1 1.29.0-wmf.4->1.29.0-wmf.5
group2 1.29.0-wmf.4
  • group1 to 1.29.0-wmf.5
    • All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc)
    • Catalan and Hebrew Wikipedias
  • Blockers: Task T150972
 UTC #
 PST
ServicesParsoid / OCG / Citoid / Mobileapps / ORES / … Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Michael (mdholloway), Aaron (halfak), Amir (Amir1), and Yuri (yurik) See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments

Thursday, December 08

 UTC #
(Wed)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) kaldari
  • [wmf.5] 325733 [mediawiki/extensions/CentralAuth] Modify the populateLocalAndGlobalIds maintenance script

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change
 UTC #
(Wed)  PST
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Puppet SWAT
(Max 8 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
ServicesGraphoid / Parsoid / OCG / Citoid / ORES Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments, OCG/Deployments
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Wikidata query service Guillaume (gehel)
 UTC #
 PST
MediaWiki train Mukunda (twentyafterfour) 1.29 schedule
group0 1.29.0-wmf.5
group1 1.29.0-wmf.5
group2 1.29.0-wmf.4->1.29.0-wmf.5

Friday, December 09

 UTC #
(Thu)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Week of December 12th

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

Monday, December 12

 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Weekly Wikidata query service deployment window Guillaume (gehel) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
ServicesParsoid / OCG / Citoid / Mobileapps / ORES / … Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Michael (mdholloway), Aaron (halfak), Amir (Amir1), and Yuri (yurik) See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments
 UTC #
 PST
Weekly Security deployment window Darian (dapatrick), Brian (bawolff), Sam (Reedy) Held deployment window for Security-team related deploys.

Tuesday, December 13

 UTC #
(Mon)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Puppet SWAT
(Max 8 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
ServicesGraphoid / Parsoid / OCG / Citoid / ORES Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments, OCG/Deployments
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
MediaWiki train Mukunda (twentyafterfour) 1.29 schedule
group0 1.29.0-wmf.5->1.29.0-wmf.6
group1 1.29.0-wmf.5
group2 1.29.0-wmf.5

Wednesday, December 14

 UTC #
(Tue)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
MediaWiki train Mukunda (twentyafterfour) 1.29 schedule
group0 1.29.0-wmf.6
group1 1.29.0-wmf.5->1.29.0-wmf.6
group2 1.29.0-wmf.5
  • group1 to 1.29.0-wmf.6
    • All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc)
    • Catalan and Hebrew Wikipedias
  • Blockers: Task T152563
 UTC #
 PST
ServicesParsoid / OCG / Citoid / Mobileapps / ORES / … Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Michael (mdholloway), Aaron (halfak), Amir (Amir1), and Yuri (yurik) See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments

Thursday, December 15

 UTC #
(Wed)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
(Wed)  PST
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PST
European Mid-day SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Puppet SWAT
(Max 8 patches)
Filippo (godog), Moritz (moritzm), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
ServicesGraphoid / Parsoid / OCG / Citoid / ORES Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1) See Graphoid, mw:Parsoid/Deployments, OCG/Deployments
 UTC #
 PST
Morning SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PST
Wikidata query service Guillaume (gehel)
 UTC #
 PST
MediaWiki train Mukunda (twentyafterfour) 1.29 schedule
group0 1.29.0-wmf.6
group1 1.29.0-wmf.6
group2 1.29.0-wmf.5->1.29.0-wmf.6

Friday, December 16

 UTC #
(Thu)  PST
Evening SWAT
(Max 8 patches)
addshore, Antoine (hashar), Brad (anomie), Chad (ostriches), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), or Tyler (thcipriani) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Week of December 19th

  • NO DEPLOYS - End of year holiday season
    • If you need something deployed please contact Greg (greg-g on IRC or greg@wikimedia).

Week of December 26th

  • NO DEPLOYS - End of year holiday season
    • If you need something deployed please contact Greg (greg-g on IRC or greg@wikimedia).

Past deployments