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Drop PHP 7.3 support in MediaWiki when appropriate
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T257879: Drop PHP 7.2 support in MediaWiki 1.35; require PHP 7.3.19 | T328921: Drop PHP 7.4 support from MediaWiki

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

Event Timeline

Potentially we might want to do this for MW 1.38? PHP 7.3 leaves official security support in five weeks' time: https://www.php.net/supported-versions.php

Potentially we might want to do this for MW 1.38? PHP 7.3 leaves official security support in five weeks' time: https://www.php.net/supported-versions.php

It's also in Debian oldstable (buster) which has another year of support though.

As with dropping 7.2 support, dropping 7.3 is "just" a matter of documentation and CI job configuration; Wikimedia production runs semi-independently of this.

Jdforrester-WMF changed the task status from Stalled to In Progress.Jul 27 2022, 4:17 PM
Jdforrester-WMF claimed this task.

Change 817818 had a related patch set uploaded (by Jforrester; author: Jforrester):

[mediawiki/core@master] Drop PHP 7.3 documented support from MediaWiki 1.39

https://gerrit.wikimedia.org/r/817818

Change 817818 merged by jenkins-bot:

[mediawiki/core@master] Drop PHP 7.3 documented support from MediaWiki 1.39

https://gerrit.wikimedia.org/r/817818

Change 857118 had a related patch set uploaded (by Tim Starling; author: Tim Starling):

[mediawiki/core@master] MutableRevisionRecord: Address contravariance todo

https://gerrit.wikimedia.org/r/857118

Change 857118 merged by jenkins-bot:

[mediawiki/core@master] Address contravariance todos

https://gerrit.wikimedia.org/r/857118