Update minimum support to ES2017 (ES8)
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	Volker_E
	Nov 19 2025, 7:40 AM

Description

Background

With T381537: Raise Grade A JavaScript requirement from ES2016 (ES7) to ES2017 (ES8) resolved for MediaWiki core, it's time to also update minimum support in Codex to ES2017 (ES8).

Goal

Refactor the existing JavaScript codebase from ES2016 and related browsers to ES2017 requirements to leverage new features that enhance maintainability, and performance.

Acceptance criteria for done

Update all instances of ES2016 (ES7) in target definitions to ES2017 (ES8)
Ensure that no functionality is broken
Update documentation

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Update Codex from v2.3.2 to v2.3.3	mediawiki/core	master	+776 -634
	build, docs: Raise target to ES2017 and supporting browsers	design/codex	main	+10 -16

Customize query in gerrit

Related Objects

Mentioned In: T414406: Use ES2017 (ES8) equivalent features to ES2016 throught Codex codebase
Mentioned Here: T381537: Raise Grade A JavaScript requirement from ES2016 (ES7) to ES2017 (ES8)

Event Timeline

Volker_E created this task.Nov 19 2025, 7:40 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptNov 19 2025, 7:40 AM

Volker_E added a project: Documentation.Nov 19 2025, 7:43 AM

Volker_E updated the task description. (Show Details)

Volker_E updated the task description. (Show Details)Nov 19 2025, 8:17 AM

Change #1207066 had a related patch set uploaded (by VolkerE; author: VolkerE):

[design/codex@main] build: Raise target to ES2017 and supporting browsers

https://gerrit.wikimedia.org/r/1207066

gerritbot added a project: Patch-For-Review.Nov 19 2025, 8:23 AM

Volker_E claimed this task.Nov 20 2025, 7:29 AM

Volker_E moved this task from Backlog to In Progress on the Codex board.

Change #1207066 merged by jenkins-bot:

[design/codex@main] build, docs: Raise target to ES2017 and supporting browsers

https://gerrit.wikimedia.org/r/1207066

Maintenance_bot removed a project: Patch-For-Review.Nov 20 2025, 5:30 PM

Change #1211730 had a related patch set uploaded (by Catrope; author: Catrope):

[mediawiki/core@master] Update Codex from v2.3.2 to v2.3.3

https://gerrit.wikimedia.org/r/1211730

gerritbot added a project: Patch-For-Review.Nov 26 2025, 5:36 PM

Test wiki created on Patch demo by Roan Kattouw (WMF) using patch(es) linked to this task:
https://ebaf825438.catalyst.wmcloud.org/w/

Change #1211730 merged by jenkins-bot:

[mediawiki/core@master] Update Codex from v2.3.2 to v2.3.3

https://gerrit.wikimedia.org/r/1211730

Maintenance_bot removed a project: Patch-For-Review.Nov 26 2025, 11:30 PM

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.5; 2025-12-02).Nov 27 2025, 12:01 AM

Volker_E updated the task description. (Show Details)Tue, Jan 13, 3:23 AM

Volker_E closed this task as Resolved.Tue, Jan 13, 5:52 AM

Volker_E mentioned this in T414406: Use ES2017 (ES8) equivalent features to ES2016 throught Codex codebase.