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Drop PHP 8.2 support from MediaWiki
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Description

T358666: Drop PHP 8.1 support from MediaWiki | T396249: Drop PHP 8.3 support from MediaWiki

This is a placeholder task for when this work happens, so that other tasks can depend upon it.

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Drop support for PHP 8.2mediawiki/coremaster+6 -7
Bump required PHP version to 8.3mediawiki/vendormaster+16 -776
Zuul: Drop PHP 8.2 enforcement from MediaWiki things for master and REL1_46integration/configmaster+7 -32
Customize query in gerrit

Related Objects
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StatusSubtypeAssignedTask
 ResolvedmatmarexT317255 PHP's getElementsByTagName is slow prior to PHP 8.3
 ResolvedZabeT358667 Drop PHP 8.2 support from MediaWiki
 ResolvedKrinkleT360995 Migrate Wikimedia production from PHP 8.1 to PHP 8.3
 ResolvedJdforrester-WMFT353362 Make PHP 8.3 voting on development (master) branch of MW ecosystem (core, vendor, extensions, skins, libraries)
 ResolvedJdforrester-WMFT352085 Make PHP 8.2 voting on development (master) branch of MW ecosystem (core, vendor, extensions, skins, libraries)
 ResolvedJdforrester-WMFT360560 Make PHP 8.2 voting on development branch of Wikibase
 ResolvedLucas_Werkmeister_WMDET324202 Remove use of utf8_encode and utf8_decode in Wikibase
 ResolvedNoneT353161 [CLIENT] Creation of dynamic property MediaWiki\Title\Title::$wikibasePushedDeleteToRepo is deprecated
 ResolvedJdforrester-WMFT360709 Make PHP 8.2 voting on development (master) branch of Math extension
 ResolvedDaimonaT381728 Use PHP 8.3 in MediaWiki-Docker
 ResolvedJdforrester-WMFT398491 Move CI images to WMF PHP 8.3 packages
 DeclinedNoneT401255 Switch PHP 8.3 image of MediaWiki-Docker from Sury to WMF
 ResolvedScott_FrenchT401254 Upgrade mw-debug/next to PHP 8.3
 ResolvedScott_FrenchT401252 Configure title-case consistency mapping for PHP 8.1 -> 8.3 transition
 ResolvedScott_FrenchT399884 Configure production MediaWiki image builds for PHP 8.3
 ResolvedcscottT401855 ☂ PHP 8.3 issues found during WMF rollout
 ResolvedScott_FrenchT402424 PHP Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /srv/monitoring/lib.php on line 99
 DuplicatePRODUCTION ERRORNoneT403514 Expectation (readQueryRows <= 10000) by MediaWiki\Actions\ActionEntryPoint::execute not met (actual: 12860)
 ResolvedPRODUCTION ERRORMichaelT407403 Error: Invalid serialization data for DatePeriod object
 ResolvedPRODUCTION ERRORMichaelT408852 PHP Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated
 ResolvedMichaelT401005 Investigate Production Errors from ComputedUserImpactLookup::getPageViewData
 DuplicatePRODUCTION ERRORNoneT409248 PHP Warning: Trying to access array offset on null
 ResolvedTgrT402597 Exploratory testing on PHP 8.3 for MediaWiki Platform Team components
 ResolvedNoneT402804 Exploratory testing on PHP 8.3 for MediaWiki authentication stack
 Resolved• DAlangi_WMFT403484 Exploratory testing on PHP 8.3 for MediaWiki authentication stack: Login
 ResolvedTgrT403485 Exploratory testing on PHP 8.3 for MediaWiki authentication stack: Central session
 Resolved• DAlangi_WMFT403486 Exploratory testing on PHP 8.3 for MediaWiki authentication stack: Signup
 ResolvedTgrT403487 Exploratory testing on PHP 8.3 for MediaWiki authentication stack: OAuth
 ResolvedTgrT403488 Exploratory testing on PHP 8.3 for MediaWiki authentication stack: 2FA
 ResolvedAtienoT402809 Exploratory testing on PHP 8.3 for MediaWiki Interfaces Team components
 ResolvedNoneT402810 Exploratory testing on PHP 8.3 for Content Transform Team components
 ResolvedbrouberolT403110 Prepare dumps-on-k8s (mediawiki-dumps-legacy) for migration to PHP 8.3
 ResolvedScott_FrenchT403655 Configure mw-next-routing for the PHP 8.3 migration
 ResolvedScott_FrenchT403657 Configure the WikimediaEvents extension for the PHP 8.3 migration
 ResolvedScott_FrenchT403284 Migrate production Shellbox services to PHP 8.3
 ResolvedScott_FrenchT403283 Prepare PHP 8.3 service images for Shellbox
 ResolvedScott_FrenchT398246 Prepare PHP 8.3 production images
 ResolvedScott_FrenchT398245 Prepare WMF PHP 8.3 packages for bullseye
 ResolvedKrinkleT400109 Ensure MediaWiki-Core-Profiler works with php-xhprof 2.x (PHP 8.3)
 ResolvedKrinkleT401152 Switch wmf-config/Profiler from Tideways to XHProf
 ResolvedScott_FrenchT403772 Migrate parsoidtest1001 to PHP 8.3
 ResolvedKrinkleT405031 lcobucci/clock needs upgrading for PHP 8.3
 ResolvedTgrT363639 web-auth/webauthn-lib must be upgraded to 4+ for PHP 8.2+ support
 ResolvedScott_FrenchT405955 MediaWiki on PHP 8.3 production workload migration

Event Timeline

Jdforrester-WMF created this task.Feb 28 2024, 1:54 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 28 2024, 1:54 PM
Jdforrester-WMF mentioned this in T358666: Drop PHP 8.1 support from MediaWiki.Feb 28 2024, 1:55 PM
Reedy moved this task from Backlog to Other on the PHP 8.2 support board.Mar 20 2024, 9:49 PM
Novem_Linguae subscribed.Mar 28 2024, 8:49 PM
Jdforrester-WMF added a subtask: T360995: Migrate Wikimedia production from PHP 8.1 to PHP 8.3.Feb 11 2025, 3:41 PM
Jdforrester-WMF mentioned this in T396249: Drop PHP 8.3 support from MediaWiki.Jun 6 2025, 6:25 PM
Jdforrester-WMF updated the task description. (Show Details)
Krinkle mentioned this in T317255: PHP's getElementsByTagName is slow prior to PHP 8.3.Jun 13 2025, 9:00 PM
Krinkle changed the status of subtask T360995: Migrate Wikimedia production from PHP 8.1 to PHP 8.3 from Stalled to Open.Aug 6 2025, 1:40 PM
Michael subscribed.Nov 26 2025, 1:54 PM
Michael mentioned this in T411281: PatchDemo should run PHP 8.3.Nov 28 2025, 5:22 PM
Krinkle closed subtask T360995: Migrate Wikimedia production from PHP 8.1 to PHP 8.3 as Resolved.Dec 18 2025, 3:19 PM
Reedy subscribed.Jan 6 2026, 10:09 PM

Is this now waiting on anything specifically?

Only T402810: Exploratory testing on PHP 8.3 for Content Transform Team components is open in the tree, but WMF prod is seemingly pretty stable on PHP 8.3, so from that point of view, probably unecessary to do much more there...

Zabe subscribed.EditedJan 8 2026, 12:16 AM
In T358667#11498065, @Reedy wrote:

Is this now waiting on anything specifically?

Only T402810: Exploratory testing on PHP 8.3 for Content Transform Team components is open in the tree, but WMF prod is seemingly pretty stable on PHP 8.3, so from that point of view, probably unecessary to do much more there...

PHP 8.2 itself gets security support until 31 Dec 2026. I am not sure what the usual procedure is, but we might want to wait until we are closer to the end of this year and maybe drop it as part of 1.47?

edit: ignore, see below

Reedy added a comment.Jan 8 2026, 12:20 AM

https://www.mediawiki.org/wiki/Support_policy_for_PHP
https://www.mediawiki.org/wiki/Support_policy_for_PHP/Tables

^ These would be the policies...

gerritbot added a comment.Jan 8 2026, 12:46 AM

Change #1224246 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@master] Drop support for PHP 8.2

https://gerrit.wikimedia.org/r/1224246

gerritbot added a project: Patch-For-Review.Jan 8 2026, 12:46 AM
TheDJ added a parent task: T317255: PHP's getElementsByTagName is slow prior to PHP 8.3.Jan 24 2026, 3:05 PM
Krinkle mentioned this in T413223: Migrate Wikimedia production from PHP 8.3 to PHP 8.5.Mar 4 2026, 3:37 PM
gerritbot added a comment.Mar 4 2026, 4:26 PM

Change #1248038 had a related patch set uploaded (by Jforrester; author: Jforrester):

[integration/config@master] Zuul: Drop PHP 8.2 enforcement from MediaWiki things

https://gerrit.wikimedia.org/r/1248038

gerritbot added a comment.Apr 27 2026, 2:31 PM

Change #1248038 merged by jenkins-bot:

[integration/config@master] Zuul: Drop PHP 8.2 enforcement from MediaWiki things for master and REL1_46

https://gerrit.wikimedia.org/r/1248038

Stashbot added a comment.Apr 27 2026, 2:32 PM

Mentioned in SAL (#wikimedia-releng) [2026-04-27T14:32:27Z] <James_F> Zuul: Drop PHP 8.2 enforcement from MediaWiki things for master and REL1_46 for T358667

gerritbot added a comment.Apr 27 2026, 2:50 PM

Change #1224246 merged by jenkins-bot:

[mediawiki/core@master] Drop support for PHP 8.2

https://gerrit.wikimedia.org/r/1224246

Jdforrester-WMF closed this task as Resolved.Apr 27 2026, 2:52 PM
Jdforrester-WMF assigned this task to Zabe.
A_smart_kitten mentioned this in T423271: Write and send release announcement for 1.46.0.Apr 27 2026, 2:53 PM
ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.26; 2026-04-28).Apr 27 2026, 3:00 PM
gerritbot added a comment.Apr 27 2026, 3:10 PM

Change #1277578 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/vendor@master] Bump required PHP version to 8.3

https://gerrit.wikimedia.org/r/1277578

gerritbot added a comment.Apr 27 2026, 3:27 PM

Change #1277578 merged by jenkins-bot:

[mediawiki/vendor@master] Bump required PHP version to 8.3

https://gerrit.wikimedia.org/r/1277578

Maintenance_bot removed a project: Patch-For-Review.Apr 27 2026, 3:31 PM
ArielGlenn mentioned this in T366644: Raise MediaWiki's MariaDB requirement to 10.6.May 5 2026, 6:21 PM
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