Backport various things in MW core and tarball extensions so we can enforce PHP 8.4 as voting on REL1_43
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	Jdforrester-WMF
	Apr 23 2026, 8:32 PM

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We currently only enforce PHP 8.1–8.3 in CI for REL1_43; how much backporting is needed to get the the point where we can enforce this?

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Related Changes in Gerrit:

	Subject	Author	Repo	Branch	Lines +/-
	Update wikimedia/css-sanitizer to 6.2.1	Reedy	mediawiki/core	REL1_43	+1 -1
	Upgrading wikimedia/css-sanitizer (v5.4.0 => v6.2.1)	Reedy	mediawiki/vendor	REL1_43	+1 K -674

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Status	Assigned	Task
Open	None	T424272 Backport various things in MW core and tarball extensions so we can enforce PHP 8.4 as voting on REL1_43
Open	None	T425741 Endroid\QrCode\Builder\Builder::buildObject(): Implicitly marking parameter $optionsPrefix as nullable is deprecated, the explicit nullable type must be used instead
Open	None	T425711 LuaSandbox: WikibaseMediaInfoEntityLibraryTests: MediaInfo entity exists
Resolved	Dreamy_Jazz	T425700 LuaSandbox: FlaggedRevsLibraryTest: stability settings for page with FlaggedRevs disabled
Resolved	cscott	T425707 Phan failure on parsoid on PHP 8.4/8.5 in 1.43

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Jdforrester-WMF created this task.Apr 23 2026, 8:32 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 23 2026, 8:32 PM

Can we get some experimental jobs for these three branches so we've got an easier chance to identify?

In T424272#11853149, @Reedy wrote:

Can we get some experimental jobs for these three branches so we've got an easier chance to identify?

Duh, check php.

https://integration.wikimedia.org/ci/job/quibble-for-mediawiki-core-vendor-mysql-php85/940/console (not the version you asked) needs rCSSS245cb2d56a9f: Pass first byte to ord() in DataSourceTokenizer in https://github.com/wikimedia/css-sanitizer/releases/tag/v6.2.1

Change #1276798 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/vendor@REL1_43] Upgrading wikimedia/css-sanitizer (v5.4.0 => v6.2.1)

https://gerrit.wikimedia.org/r/1276798

gerritbot added a project: Patch-For-Review.Apr 23 2026, 9:26 PM

In T424272#11853153, @Reedy wrote:

In T424272#11853149, @Reedy wrote:

Can we get some experimental jobs for these three branches so we've got an easier chance to identify?

Duh, check php.

Yup, that should work.

(Note that I didn't create the PHP 8.5 tasks because 8.4 should be done first, but IIRC there's relatively little that needs doing extra for that. Hopefully.)

Change #1276806 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/core@REL1_43] Update wikimedia/css-sanitizer to 6.2.1

https://gerrit.wikimedia.org/r/1276806

Change #1276798 merged by Reedy:

[mediawiki/vendor@REL1_43] Upgrading wikimedia/css-sanitizer (v5.4.0 => v6.2.1)

https://gerrit.wikimedia.org/r/1276798

Change #1276806 merged by jenkins-bot:

[mediawiki/core@REL1_43] Update wikimedia/css-sanitizer to 6.2.1

https://gerrit.wikimedia.org/r/1276806