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Description

For any problems that represent a regression. A regression is a type of bug where something that used to work no longer works. Use this in combination with a component tag, and optionally a team tag.

Recent Activity

Yesterday

egardner moved T407908: Re-enable browsing by headings via rotor on VoiceOver (headings not found) from Ready to Backlog on the Reader Growth Team board.
Tue, Mar 3, 9:23 PM · Reader Experience Team, Reader Growth Team, Patch-For-Review, Regression, MobileFrontend (MobileFormatter), Accessibility
Maintenance_bot removed a project from T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext: Patch-For-Review.
Tue, Mar 3, 7:31 PM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
ReleaseTaggerBot added a project to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext: MW-1.46-notes (1.46.0-wmf.19; 2026-03-10).
Tue, Mar 3, 7:00 PM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
gerritbot added a comment to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.

Change #1247511 merged by jenkins-bot:

[mediawiki/extensions/CodeMirror@master] CodeMirrorSearch: do not always intercept `Escape` key

https://gerrit.wikimedia.org/r/1247511

Tue, Mar 3, 6:47 PM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
MusikAnimal added a comment to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.

Lol, of course it was me who broke it! Thanks for the fix :)

Tue, Mar 3, 6:33 PM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
gerritbot added a project to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext: Patch-For-Review.
Tue, Mar 3, 8:03 AM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
gerritbot added a comment to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.

Change #1247511 had a related patch set uploaded (by Bhsd; author: Bhsd):

[mediawiki/extensions/CodeMirror@master] CodeMirrorSearch: do not always intercept `Escape` key

https://gerrit.wikimedia.org/r/1247511

Tue, Mar 3, 8:03 AM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
Bhsd claimed T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.
Tue, Mar 3, 7:59 AM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
Bhsd added a comment to T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.

I think it is caused by r1220866 where closePanel() always returns true.

Tue, Mar 3, 7:45 AM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror
MusikAnimal created T418823: Escape followed by Tab no longer removes focus from the editor in non-wikitext.
Tue, Mar 3, 4:19 AM · MW-1.46-notes (1.46.0-wmf.19; 2026-03-10), Regression, MediaWiki-extensions-CodeMirror

Sun, Mar 1

Pppery removed a project from T416084: Special:Log does not allow switching to a different log type when an incompatible field option is specified: MediaWiki-Special-pages.
Sun, Mar 1, 1:03 AM · Patch-For-Review, Regression, MediaWiki-Logevents

Fri, Feb 27

ssastry closed T411238: Unexpected wikitext changes & whitespace removals by VisualEditor edits as Resolved.

I am going to resolve this.

Fri, Feb 27, 3:57 PM · VisualEditor, Essential-Work, Content-Transform-Team (Work In Progress), User-notice, Cite, WMDE-TechWish-Sprint-2025-11-25-Spekulatius, Parsoid, Regression

Wed, Feb 25

Novem_Linguae closed T418421: CodeMirror no longer loading for me on enwiki as Invalid.

Strange. I don't remember doing this in the past. Maybe I accidentally unclicked it at some point.

Wed, Feb 25, 11:36 PM · MediaWiki-extensions-CodeMirror
Escargot_rouge added a comment to T418421: CodeMirror no longer loading for me on enwiki.

You have to click the "Syntax" button to activate CodeMirror.

Wed, Feb 25, 11:27 PM · MediaWiki-extensions-CodeMirror
Novem_Linguae created T418421: CodeMirror no longer loading for me on enwiki.
Wed, Feb 25, 10:42 PM · MediaWiki-extensions-CodeMirror
Novem_Linguae closed T418202: ORES API query is slow as Resolved.
Wed, Feb 25, 8:15 PM · Machine-Learning-Team, Regression, ORES
sbassett merged task T255562: Production wikis are no longer in report-only mode into T353816: Fix or remove $wmgUseCSPReportOnlyHasSession (CSP only for logged-in users).
Wed, Feb 25, 5:06 PM · WMF-General-or-Unknown, Regression, ContentSecurityPolicy
gerritbot added a project to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: Patch-For-Review.
Wed, Feb 25, 2:05 PM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
gerritbot added a comment to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it.

Change #1243832 had a related patch set uploaded (by Thiemo Kreuz (WMDE); author: Thiemo Kreuz (WMDE)):

[mediawiki/extensions/Citoid@master] CitoidInspector should never destroy reference lists

https://gerrit.wikimedia.org/r/1243832

Wed, Feb 25, 2:05 PM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
Samwalton9-WMF closed T418223: ORES/LiftWing infrastructure is not working for filtering Recent Changes edits as Resolved.

Seems to be resolved, please let me know if not.

Wed, Feb 25, 1:17 PM · Regression, Moderator-Tools-Team, MediaWiki-Recent-changes, Russian-Sites, MediaWiki-extensions-ORES, Machine-Learning-Team
SomeRandomDeveloper reassigned T418075: Cargo fails to store list of integers from Yaron_Koren to lihaohong.

(Assigning to patch author)

Wed, Feb 25, 12:02 AM · Regression, MediaWiki-extensions-Cargo, affects-Miraheze

Tue, Feb 24

Yaron_Koren closed T418075: Cargo fails to store list of integers as Resolved.
Tue, Feb 24, 11:59 PM · Regression, MediaWiki-extensions-Cargo, affects-Miraheze
Novem_Linguae added a project to T418223: ORES/LiftWing infrastructure is not working for filtering Recent Changes edits: Regression.
Tue, Feb 24, 5:43 PM · Regression, Moderator-Tools-Team, MediaWiki-Recent-changes, Russian-Sites, MediaWiki-extensions-ORES, Machine-Learning-Team
Novem_Linguae added a comment to T418202: ORES API query is slow.

Cross-ref (likely the same root cause, but a different symptom): T418223: ORES/LiftWing infrastructure is not working for filtering Recent Changes edits

Tue, Feb 24, 5:42 PM · Machine-Learning-Team, Regression, ORES
Dreamy_Jazz moved T411242: InvalidArgumentException: $usertalk must be provided if block target is not a user/IP from Inbox to Triaged (backlog) on the Product Safety and Integrity board.
Tue, Feb 24, 2:32 PM · Temporary accounts, Regression, MediaWiki-Blocks, Product Safety and Integrity, ContentTranslation, Wikimedia-production-error
Dreamy_Jazz moved T373127: "change block" and "unblock" links incorrectly shown on Special:Contribs subtitle when the target user is globally blocked from Inbox to Later sprints on the Product Safety and Integrity board.
Tue, Feb 24, 12:06 PM · Essential-Work, Product Safety and Integrity, GlobalBlocking, MediaWiki-Blocks, Regression, MediaWiki-Special-pages
Dreamy_Jazz edited projects for T373127: "change block" and "unblock" links incorrectly shown on Special:Contribs subtitle when the target user is globally blocked, added: Product Safety and Integrity; removed Trust and Safety Product Team.
Tue, Feb 24, 12:05 PM · Essential-Work, Product Safety and Integrity, GlobalBlocking, MediaWiki-Blocks, Regression, MediaWiki-Special-pages
Novem_Linguae updated the task description for T418202: ORES API query is slow.
Tue, Feb 24, 8:23 AM · Machine-Learning-Team, Regression, ORES
Novem_Linguae created T418202: ORES API query is slow.
Tue, Feb 24, 8:22 AM · Machine-Learning-Team, Regression, ORES

Mon, Feb 23

dom_walden closed T417604: Watchlist label dialog message uses syntax that's not supported by jqueryMsg as Resolved.

How it looks on enwiki beta:

Mon, Feb 23, 3:39 PM · Community-Tech (Fox Squad), MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), I18n, Regression, Watchlist-Labels
ReleaseTaggerBot added a project to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: MW-1.46-notes (1.46.0-wmf.17; 2026-02-24).
Mon, Feb 23, 9:01 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
Maintenance_bot removed a project from T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: Patch-For-Review.
Mon, Feb 23, 8:31 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
gerritbot added a comment to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it.

Change #1242238 merged by jenkins-bot:

[mediawiki/extensions/Citoid@master] Revert "Fix "replace" behavior deleting unrelated nodes"

https://gerrit.wikimedia.org/r/1242238

Mon, Feb 23, 8:14 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
thiemowmde moved T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it from Sprint Backlog to Done on the WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots board.
Mon, Feb 23, 8:08 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
gerritbot added a project to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: Patch-For-Review.
Mon, Feb 23, 8:07 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
gerritbot added a comment to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it.

Change #1242238 had a related patch set uploaded (by Thiemo Kreuz (WMDE); author: Thiemo Kreuz (WMDE)):

[mediawiki/extensions/Citoid@master] Revert "Fix "replace" behavior deleting unrelated nodes"

https://gerrit.wikimedia.org/r/1242238

Mon, Feb 23, 8:07 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
Maintenance_bot removed a project from T418075: Cargo fails to store list of integers: Patch-For-Review.
Mon, Feb 23, 5:30 AM · Regression, MediaWiki-extensions-Cargo, affects-Miraheze
gerritbot added a comment to T418075: Cargo fails to store list of integers.

Change #1241903 merged by jenkins-bot:

[mediawiki/extensions/Cargo@master] Exempt fields that hold a list of integers/floats from value checks

https://gerrit.wikimedia.org/r/1241903

Mon, Feb 23, 4:58 AM · Regression, MediaWiki-extensions-Cargo, affects-Miraheze

Sun, Feb 22

SomeRandomDeveloper added a project to T418075: Cargo fails to store list of integers: Regression.
Sun, Feb 22, 11:48 PM · Regression, MediaWiki-extensions-Cargo, affects-Miraheze
Maintenance_bot removed a project from T196619: newitem.py ignores -namespace: parameter: Patch-For-Review.
Sun, Feb 22, 11:31 AM · good first task, Regression, Pywikibot, Pywikibot-pagegenerators, Pywikibot-Wikidata
gerritbot added a comment to T196619: newitem.py ignores -namespace: parameter.

Change #1239528 merged by jenkins-bot:

[pywikibot/core@master] Cleanup: Remove warning in QueryGenerator.set_namespace

https://gerrit.wikimedia.org/r/1239528

Sun, Feb 22, 10:41 AM · good first task, Regression, Pywikibot, Pywikibot-pagegenerators, Pywikibot-Wikidata

Sat, Feb 21

thiemowmde added projects to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Unplanned-Sprint-Work.
Sat, Feb 21, 11:53 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor
DLynch added a project to T418037: "Citation needed" template context offers to replace the template with a citation, but only adds a citation after it: Regression.
Sat, Feb 21, 6:34 AM · Patch-For-Review, MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Unplanned-Sprint-Work, WMDE-TechWish-Sprint-2026-02-17-Beautiful-Beetroots, Regression, WMDE-References-FocusArea, Citoid, VisualEditor

Fri, Feb 20

aaron added a comment to T281072: Mass messages not being delivered.

There are not likely useful logs from 5 years ago, so we may as well have one task for these similar issues for now.

Fri, Feb 20, 5:55 AM · Regression, User-DannyS712, MassMessage
aaron merged task T281072: Mass messages not being delivered into T275432: MassMessage not delivering.
Fri, Feb 20, 5:54 AM · Regression, User-DannyS712, MassMessage

Thu, Feb 19

TheresNoTime moved T417604: Watchlist label dialog message uses syntax that's not supported by jqueryMsg from Feedback and Review to QA on the Community-Tech (Fox Squad) board.
Thu, Feb 19, 10:55 PM · Community-Tech (Fox Squad), MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), I18n, Regression, Watchlist-Labels
Krinkle closed T408079: Page views on wikis with FlaggedRevs contain non-standard HTML <indicator> as Resolved.
Thu, Feb 19, 7:33 PM · MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Regression, FlaggedRevs
Maintenance_bot removed a project from T408079: Page views on wikis with FlaggedRevs contain non-standard HTML <indicator>: Patch-For-Review.
Thu, Feb 19, 7:31 PM · MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Regression, FlaggedRevs
ReleaseTaggerBot added a project to T408079: Page views on wikis with FlaggedRevs contain non-standard HTML <indicator>: MW-1.46-notes (1.46.0-wmf.17; 2026-02-24).
Thu, Feb 19, 7:01 PM · MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Regression, FlaggedRevs
gerritbot added a comment to T408079: Page views on wikis with FlaggedRevs contain non-standard HTML <indicator>.

Change #1238850 merged by jenkins-bot:

[mediawiki/extensions/FlaggedRevs@master] FlaggablePageView: Use <div> instead of non-standard <indicator> element

https://gerrit.wikimedia.org/r/1238850

Thu, Feb 19, 6:34 PM · MW-1.46-notes (1.46.0-wmf.17; 2026-02-24), Regression, FlaggedRevs