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Maniphest T403688

Deprecate/Remove MediaWiki 'rotation' Less mixin
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Description

Background

MediaWiki core currently includes a Less file that defines a .rotate-frames() mixin and a .rotation( @time ) helper. This file was originally introduced to support vendor-prefixed keyframes during a period when cross-browser compatibility required explicit handling of prefixed animations.

Acceptance criteria for done

  • Repos using the mixin are updated
  • File containing the obsolete mixin is deprecated or hard removed (to be decided).
  • No runtime errors or missing animations are introduced in MediaWiki core or bundled skins.

Details

Related Changes in Gerrit:
SubjectAuthorRepoBranchLines +/-
mediawiki.less: Deprecate 'mediawiki.mixins.rotation.less'.VolkerEmediawiki/coremaster+3 -0
styles: Remove soon to be deprecated import of rotation mixinVolkerEmediawiki/skins/Miragemaster+13 -2
styles: Remove soon to be deprecated import of rotation mixinVolkerEmediawiki/skins/Vectormaster+13 -6
styles: Remove soon to be deprecated import of rotation mixinVolkerEmediawiki/extensions/Translatemaster+11 -3
styles: Remove soon to be deprecated import of rotation mixinVolkerEmediawiki/skins/Metrolookmaster+22 -6
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Related Objects

Event Timeline

Volker_E created this task.Sep 4 2025, 6:19 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 4 2025, 6:19 AM
gerritbot added a comment.Sep 4 2025, 6:24 AM

Change #1184638 had a related patch set uploaded (by VolkerE; author: VolkerE):

[mediawiki/skins/Vector@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184638

gerritbot added a project: Patch-For-Review.Sep 4 2025, 6:24 AM
Volker_E updated the task description. (Show Details)Sep 4 2025, 6:35 AM
gerritbot added a comment.Sep 4 2025, 6:36 AM

Change #1184640 had a related patch set uploaded (by VolkerE; author: VolkerE):

[mediawiki/extensions/Translate@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184640

gerritbot added a comment.Sep 4 2025, 7:16 AM

Change #1184644 had a related patch set uploaded (by VolkerE; author: VolkerE):

[mediawiki/skins/Metrolook@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184644

gerritbot added a comment.Sep 5 2025, 5:57 PM

Change #1184640 merged by jenkins-bot:

[mediawiki/extensions/Translate@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184640

gerritbot added a comment.Sep 5 2025, 5:58 PM

Change #1184638 merged by jenkins-bot:

[mediawiki/skins/Vector@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184638

gerritbot added a comment.Sep 5 2025, 5:58 PM

Change #1184644 merged by jenkins-bot:

[mediawiki/skins/Metrolook@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1184644

ReleaseTaggerBot added a project: MW-1.45-notes (1.45.0-wmf.18; 2025-09-09).Sep 5 2025, 6:00 PM
Maintenance_bot removed a project: Patch-For-Review.Sep 5 2025, 6:31 PM
Volker_E updated the task description. (Show Details)Sep 5 2025, 11:52 PM
gerritbot added a comment.Sep 6 2025, 12:23 AM

Change #1185231 had a related patch set uploaded (by VolkerE; author: VolkerE):

[mediawiki/core@master] mediawiki.less: Hard remove 'mediawiki.mixins.rotation.less'.

https://gerrit.wikimedia.org/r/1185231

gerritbot added a project: Patch-For-Review.Sep 6 2025, 12:23 AM
Volker_E updated the task description. (Show Details)Sep 13 2025, 6:07 PM
Volker_E updated the task description. (Show Details)
Volker_E added projects: Metrolook, Vector (legacy skin), MediaWiki-extensions-Translate.Sep 13 2025, 6:13 PM
Volker_E updated the task description. (Show Details)
gerritbot added a comment.Sep 13 2025, 6:23 PM

Change #1187944 had a related patch set uploaded (by VolkerE; author: VolkerE):

[mediawiki/skins/Mirage@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1187944

Volker_E added a project: MediaWiki-skins-Mirage.Sep 13 2025, 6:37 PM
gerritbot added a comment.Sep 13 2025, 7:11 PM

Change #1187944 merged by jenkins-bot:

[mediawiki/skins/Mirage@master] styles: Remove soon to be deprecated import of rotation mixin

https://gerrit.wikimedia.org/r/1187944

Volker_E updated the task description. (Show Details)Sep 13 2025, 9:58 PM
Jdlrobson-WMF moved this task from Needs triage to Technical on the Vector (legacy skin) board.Nov 10 2025, 11:15 PM
Volker_E mentioned this in T422278: Remove deprecated MediaWiki 'animation' Less mixin.Apr 3 2026, 9:08 PM
gerritbot added a comment.Apr 4 2026, 10:10 PM

Change #1185231 merged by jenkins-bot:

[mediawiki/core@master] mediawiki.less: Deprecate 'mediawiki.mixins.rotation.less'.

https://gerrit.wikimedia.org/r/1185231

Maintenance_bot removed a project: Patch-For-Review.Apr 4 2026, 10:30 PM
matmarex subscribed.Apr 4 2026, 10:49 PM
ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.23; 2026-04-07).Apr 4 2026, 11:00 PM
Volker_E updated the task description. (Show Details)Apr 4 2026, 11:07 PM
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