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Drop PHP 8.1 support from MediaWiki
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T328921: Drop PHP 7.4 and PHP 8.0 support from MediaWiki | T358667: Drop PHP 8.2 support from MediaWiki

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

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StatusSubtypeAssignedTask
 OpenNoneT376276 PHP 8.4: Implicitly nullable parameter declarations deprecated
 OpenNoneT379587 PHP 8.4: Implicitly nullable parameter declarations deprecated in 3rd party vendor libs
 ResolvedReedyT378424 PHP 8.4: Implicitly nullable parameter declarations deprecated in qrcode vendor libs
 OpenNoneT366644 Raise MediaWiki's MariaDB requirement to 10.6
 OpenNoneT366646 Raise Quibble jobs' tested version of MariaDB to 10.6
 OpenNoneT405346 Remove okvpn/clock-lts post WMF PHP 8.3 upgrade
 OpenNoneT405344 Upgrade web-auth/webauthn-lib to >= 5.2.2
 OpenNoneT358666 Drop PHP 8.1 support from MediaWiki
 OpenKrinkleT360995 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
 OpenNoneT401255 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
 OpencscottT401855 ☂ 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
 OpenPRODUCTION ERRORNoneT408852 PHP Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated
 OpenMichaelT401005 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
 ResolvedDAlangi_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
 ResolvedDAlangi_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
 OpenNoneT402810 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
 ResolvedjnucheT411277 Patchdemo wiki creation fails due to PHP 8.1 not supported by MW
 ResolvedJdforrester-WMFT411372 wikilambda-catalyst-end-to-end broken due to new version of composer after PHP 8.1 -> 8.3 migration
 ResolvedBUG REPORTbd808T411235 Beta cluster scap using php8.1 container; php8.2 is now required

Event Timeline

Jdforrester-WMF created this task.Feb 28 2024, 1:53 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 28 2024, 1:53 PM
Jdforrester-WMF mentioned this in T328922: Drop PHP 8.0 support from MediaWiki.Feb 28 2024, 1:54 PM
Jdforrester-WMF mentioned this in T358667: Drop PHP 8.2 support from MediaWiki.
Jdforrester-WMF updated the task description. (Show Details)
Novem_Linguae subscribed.Mar 28 2024, 8:49 PM
Reedy added a parent task: T378424: PHP 8.4: Implicitly nullable parameter declarations deprecated in qrcode vendor libs.Oct 28 2024, 10:18 PM
Lucas_Werkmeister_WMDE added a parent task: T379930: Use WeakMap instead of an array in RestrictedEntityLookupFactory.Nov 14 2024, 4:18 PM
Jdforrester-WMF removed a parent task: T379930: Use WeakMap instead of an array in RestrictedEntityLookupFactory.Nov 14 2024, 4:39 PM
Reedy moved this task from Backlog to MediaWiki core on the PHP 8.1 support board.Nov 21 2024, 8:15 PM
Krinkle mentioned this in T328921: Drop PHP 7.4 and PHP 8.0 support from MediaWiki.Apr 28 2025, 4:35 PM
Krinkle updated the task description. (Show Details)
Jdforrester-WMF mentioned this in T366646: Raise Quibble jobs' tested version of MariaDB to 10.6.Jun 26 2025, 12:04 PM
Jdforrester-WMF added a parent task: T366646: Raise Quibble jobs' tested version of MariaDB to 10.6.
Reedy mentioned this in T378424: PHP 8.4: Implicitly nullable parameter declarations deprecated in qrcode vendor libs.Jul 7 2025, 11:04 PM
Jdforrester-WMF mentioned this in T397075: Package Wikimedia's PHP 8.1 component for bookworm.Jul 14 2025, 2:50 PM
Jdforrester-WMF added a subtask: T360995: Migrate Wikimedia production from PHP 8.1 to PHP 8.3.Sep 23 2025, 1:51 PM
Jdforrester-WMF added a parent task: T405346: Remove okvpn/clock-lts post WMF PHP 8.3 upgrade.
Jdforrester-WMF mentioned this in T405344: Upgrade web-auth/webauthn-lib to >= 5.2.2.Sep 24 2025, 3:33 PM
Jdforrester-WMF added a parent task: T405344: Upgrade web-auth/webauthn-lib to >= 5.2.2.
Zabe subscribed.Oct 28 2025, 12:06 PM
gerritbot added a comment.Oct 28 2025, 12:07 PM

Change #1199269 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199269

gerritbot added a project: Patch-For-Review.Oct 28 2025, 12:07 PM

Change #1199270 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199270

gerritbot added a comment.Tue, Nov 11, 10:58 PM

Change #1199270 abandoned by Zabe:

[mediawiki/core@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199270

Jdforrester-WMF added a project: MW-1.45-release.Wed, Nov 12, 7:49 PM
MSantos moved this task from Blocker to Deprecate or remove on the MW-1.45-release board.Mon, Nov 17, 4:52 PM
gerritbot added a comment.Tue, Nov 25, 7:45 PM

Change #1199269 abandoned by Krinkle:

[mediawiki/core@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199269

gerritbot added a comment.Tue, Nov 25, 7:45 PM

Change #1199269 restored by Krinkle:

[mediawiki/core@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199269

gerritbot added a comment.Tue, Nov 25, 8:35 PM

Change #1199270 restored by Krinkle:

[mediawiki/core@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199270

Michael subscribed.Wed, Nov 26, 1:53 PM
Krinkle subscribed.Thu, Nov 27, 10:26 PM
@Krinkle merged patch by @Jdforrester-WMF:

[integration/config] Zuul: Drop PHP 8.1 testing from MW ecosystem master, switch default to 8.3

https://gerrit.wikimedia.org/r/1204910

Krinkle mentioned this in T360995: Migrate Wikimedia production from PHP 8.1 to PHP 8.3.Thu, Nov 27, 10:27 PM
gerritbot added a comment.Thu, Nov 27, 11:32 PM

Change #1212257 had a related patch set uploaded (by Krinkle; author: Zabe):

[integration/config@master] zuul: Run phan on php 8.3 for REL1_45

https://gerrit.wikimedia.org/r/1212257

gerritbot added a comment.Thu, Nov 27, 11:34 PM

Change #1212257 merged by jenkins-bot:

[integration/config@master] zuul: Run phan on php 8.3 for REL1_45

https://gerrit.wikimedia.org/r/1212257

gerritbot added a comment.Thu, Nov 27, 11:53 PM

Change #1199269 merged by jenkins-bot:

[mediawiki/core@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199269

gerritbot added a comment.Thu, Nov 27, 11:54 PM

Change #1199270 merged by jenkins-bot:

[mediawiki/core@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1199270

ReleaseTaggerBot added projects: MW-1.45-notes, MW-1.46-notes (1.46.0-wmf.5; 2025-12-02).Fri, Nov 28, 12:00 AM
gerritbot added a comment.Fri, Nov 28, 9:40 AM

Change #1212526 had a related patch set uploaded (by Hashar; author: Hashar):

[integration/config@master] utils: zuul-mw-jobs-runner: switch to php83

https://gerrit.wikimedia.org/r/1212526

gerritbot added a comment.Fri, Nov 28, 9:42 AM

Change #1212526 merged by jenkins-bot:

[integration/config@master] utils: zuul-mw-jobs-runner: switch to php83

https://gerrit.wikimedia.org/r/1212526

Lucas_Werkmeister_WMDE mentioned this in T411243: Upgrade daily CI for Cognate and InterwikiSorting from PHP 8.1 (no longer supported) to 8.2+.Fri, Nov 28, 10:18 AM
gerritbot added a comment.Fri, Nov 28, 10:45 AM

Change #1212547 had a related patch set uploaded (by Hashar; author: Hashar):

[integration/config@master] jjb: upgrade requires-only job to PHP 8.3

https://gerrit.wikimedia.org/r/1212547

gerritbot added a comment.Fri, Nov 28, 10:48 AM

Change #1212547 merged by jenkins-bot:

[integration/config@master] jjb: upgrade requires-only job to PHP 8.3

https://gerrit.wikimedia.org/r/1212547

Dreamy_Jazz subscribed.Fri, Nov 28, 2:13 PM

Might this be the cause of the mwext-phpunit-coverage-patch jobs now failing consistently in CheckUser? https://integration.wikimedia.org/ci/job/mwext-phpunit-coverage-patch/54162/console#console-section-6

composer update for mediawiki/core
14:08:11 INFO:quibble.commands:>>> Start: composer update for mediawiki/core
14:08:11 INFO:quibble.commands:Running "composer update" for mediawiki/core
14:08:11 [13.0MiB/0.16s] > pre-update-cmd: MediaWiki\Composer\VersionChecker::onEvent
14:08:11 [13.0MiB/0.16s] Loading composer repositories with package information
14:08:12 [20.4MiB/1.18s] Updating dependencies
14:08:12 [22.6MiB/1.20s] Dependency resolution completed in 0.002 seconds
14:08:12 [22.6MiB/1.20s] Your requirements could not be resolved to an installable set of packages.
14:08:12 [22.6MiB/1.20s] 
14:08:12   Problem 1
14:08:12     - Root composer.json requires php >=8.2.0 but your php version (8.1.33) does not satisfy that requirement.
14:08:12 
14:08:12 [17.8MiB/1.20s] Memory usage: 17.83MiB (peak: 28.79MiB), time: 1.2s
14:08:12 INFO:quibble.commands:<<< Finish: composer update for mediawiki/core, in 1.319 s
gerritbot added a comment.Fri, Nov 28, 2:40 PM

Change #1212548 had a related patch set uploaded (by Krinkle; author: Zabe):

[integration/config@master] zuul: Switch experimental mediawiki-composer-php81 for core to php83

https://gerrit.wikimedia.org/r/1212548

gerritbot added a comment.Fri, Nov 28, 2:41 PM

Change #1212548 merged by jenkins-bot:

[integration/config@master] zuul: Switch experimental mediawiki-composer-php81 for core to php83

https://gerrit.wikimedia.org/r/1212548

Krinkle added a comment.Fri, Nov 28, 2:59 PM

@Dreamy_Jazz That's right. The job doesn't specify php81 in the name. I forgot about that one. I'll take care of quibble-fresnel as well while at it.

Michael mentioned this in T411281: PatchDemo should run PHP 8.3.Fri, Nov 28, 5:22 PM

This broke creating new wikis on patchdemo. I created T411281: PatchDemo should run PHP 8.3 for that.

gerritbot added a comment.Fri, Nov 28, 6:58 PM

Change #1212627 had a related patch set uploaded (by Krinkle; author: Krinkle):

[integration/config@master] dockerfiles: Update quibble-fresnel and quibble-coverage to php83

https://gerrit.wikimedia.org/r/1212627

gerritbot added a comment.Fri, Nov 28, 9:19 PM

Change #1212627 merged by jenkins-bot:

[integration/config@master] dockerfiles: Update quibble-fresnel and quibble-coverage to php83

https://gerrit.wikimedia.org/r/1212627

gerritbot added a comment.Fri, Nov 28, 9:42 PM

Change #1212676 had a related patch set uploaded (by Krinkle; author: Krinkle):

[integration/config@master] jjb: Update quibble-fresnel and quibble-coverage to php83

https://gerrit.wikimedia.org/r/1212676

gerritbot added a comment.Fri, Nov 28, 9:43 PM

Change #1212677 had a related patch set uploaded (by Krinkle; author: Krinkle):

[integration/config@master] dockerfiles: remove unused quibble-bullseye-php81-coverage

https://gerrit.wikimedia.org/r/1212677

gerritbot added a comment.Fri, Nov 28, 10:00 PM

Change #1212676 merged by jenkins-bot:

[integration/config@master] jjb: Update quibble-fresnel and quibble-coverage to php83

https://gerrit.wikimedia.org/r/1212676

gerritbot added a comment.Fri, Nov 28, 10:01 PM

Change #1212677 merged by jenkins-bot:

[integration/config@master] dockerfiles: remove unused quibble-bullseye-php81-coverage

https://gerrit.wikimedia.org/r/1212677

gerritbot added a comment.Sat, Nov 29, 1:06 AM

Change #1212786 had a related patch set uploaded (by Krinkle; author: Krinkle):

[mediawiki/tools/phpunit-patch-coverage@master] Fix "PHP Fatal error: Declaration … must be compatible" on PHP 8.3

https://gerrit.wikimedia.org/r/1212786

gerritbot added a comment.Mon, Dec 1, 2:11 AM

Change #1212786 merged by jenkins-bot:

[mediawiki/tools/phpunit-patch-coverage@master] Fix "PHP Fatal error: Declaration … must be compatible" on PHP 8.3

https://gerrit.wikimedia.org/r/1212786

gerritbot added a comment.Mon, Dec 1, 1:25 PM

Change #1213462 had a related patch set uploaded (by Krinkle; author: Krinkle):

[integration/config@master] dockerfiles: Update mediawiki/phpunit-patch-coverage to 0.0.16

https://gerrit.wikimedia.org/r/1213462

gerritbot added a comment.Mon, Dec 1, 2:13 PM

Change #1213477 had a related patch set uploaded (by Krinkle; author: Krinkle):

[integration/config@master] jjb: Update mediawiki/phpunit-patch-coverage to 0.0.16

https://gerrit.wikimedia.org/r/1213477

gerritbot added a comment.Mon, Dec 1, 2:15 PM

Change #1213462 merged by jenkins-bot:

[integration/config@master] dockerfiles: Update mediawiki/phpunit-patch-coverage to 0.0.16

https://gerrit.wikimedia.org/r/1213462

Krinkle added a comment.Mon, Dec 1, 2:30 PM
In T358666#11416027, @Dreamy_Jazz wrote:

Might this be the cause of the mwext-phpunit-coverage-patch jobs now failing consistently in CheckUser? […]

The mwext-phpunit-coverage-patch job now passes at https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CheckUser/+/1212588.

gerritbot added a comment.Mon, Dec 1, 2:31 PM

Change #1213477 merged by jenkins-bot:

[integration/config@master] jjb: Update mediawiki/phpunit-patch-coverage to 0.0.16

https://gerrit.wikimedia.org/r/1213477

bd808 added subtasks: T411277: Patchdemo wiki creation fails due to PHP 8.1 not supported by MW, T411235: Beta cluster scap using php8.1 container; php8.2 is now required.Mon, Dec 1, 4:20 PM
Reedy removed a project: Patch-For-Review.Mon, Dec 1, 7:26 PM
gerritbot added a comment.Tue, Dec 2, 1:22 PM

Change #1214030 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/vendor@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1214030

gerritbot added a project: Patch-For-Review.Tue, Dec 2, 1:22 PM
gerritbot added a comment.Tue, Dec 2, 4:19 PM

Change #1214030 merged by jenkins-bot:

[mediawiki/vendor@master] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1214030

gerritbot added a comment.Tue, Dec 2, 4:26 PM

Change #1214106 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/vendor@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1214106

gerritbot added a comment.Tue, Dec 2, 4:29 PM

Change #1214106 merged by Reedy:

[mediawiki/vendor@REL1_45] Drop PHP 8.1 support

https://gerrit.wikimedia.org/r/1214106

ReleaseTaggerBot edited projects, added MW-1.46-notes (1.46.0-wmf.7; 2025-12-16); removed MW-1.46-notes (1.46.0-wmf.5; 2025-12-02).Tue, Dec 2, 5:00 PM
Reedy mentioned this in T411567: Make use of SensitiveParameter attribute to replace custom stack trace redaction.Wed, Dec 3, 1:03 AM
Reedy removed a project: Patch-For-Review.Wed, Dec 3, 10:24 PM
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