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Maniphest T411147

Remove emailability code from GrowthExperiments
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Description

In T396155: [Epic] Improve verification email (WE1.1.22 FY2025-26), we moved the confirmation email redesign to MediaWIki core. In this task, we should remove the no longer needed code from GrowthExperiments. This should be picked in early 2026 (aka after the End Of Year holidays), in case we need to revert the migration for some reason. This is also blocked by T410471: Improve verification email: Release to all MediaWiki wikis.

Acceptance criteria:

  • remove all code directly realted to sending these emails from GrowthExperiments
  • also remove the temporary config flag we added to core for this experiment
  • code related to Special:CreateAccount will be handled in the respective experiment work

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
cleanup: Remove PlaintextConfirmEmailBuildermediawiki/coremaster+6 -232
cleanup: Remove UserEmailConfirmationUseHTML (defaults to true)operations/mediawiki-configmaster+0 -8
Set the default for UserEmailConfirmationUseHTML to truemediawiki/corewmf/1.46.0-wmf.21+3 -3
Set the default for UserEmailConfirmationUseHTML to truemediawiki/coremaster+3 -3
cleanup: Remove emailability codemediawiki/extensions/GrowthExperimentsmaster+1 -61
Customize query in gerrit

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Event Timeline

Urbanecm_WMF created this task.Nov 26 2025, 10:09 PM
Restricted Application added a project: Growth-Team. · View Herald TranscriptNov 26 2025, 10:09 PM
Restricted Application added a subscriber: Aklapper. · View Herald Transcript
Urbanecm_WMF triaged this task as Low priority.Nov 26 2025, 10:09 PM
Urbanecm_WMF updated the task description. (Show Details)
Urbanecm_WMF added a parent task: T396155: [Epic] Improve verification email (WE1.1.22 FY2025-26).
Urbanecm_WMF added a project: Technical-Debt.
Urbanecm_WMF moved this task from Inbox to Blocked on the Growth-Team board.
Urbanecm_WMF added a project: Growth Team Maintenance.
Michael raised the priority of this task from Low to Medium.Dec 22 2025, 6:10 PM
Michael added a project: OKR-Work.
Michael subscribed.

This is part of the OKR work around the Verification Emails tracked in FY26 WE1.1.22

Michael moved this task from Backlog to Verification Email & Emailability on the Growth Team Maintenance board.Dec 22 2025, 7:42 PM
KStoller-WMF moved this task from Blocked to Needs Estimation on the Growth-Team board.Mar 4 2026, 5:20 PM
KStoller-WMF mentioned this in T327679: Move Emailability code from GrowthExperiments to MediaWiki core.Mar 4 2026, 5:22 PM
Michael updated the task description. (Show Details)Mar 4 2026, 5:25 PM
KStoller-WMF set the point value for this task to 2.Mar 9 2026, 3:42 PM
KStoller-WMF moved this task from Needs Estimation to Estimated tasks backlog on the Growth-Team board.Mar 9 2026, 3:49 PM
KStoller-WMF moved this task from Estimated tasks backlog to FY2025-26 Q3 Sprint 5 on the Growth-Team board.Mar 10 2026, 4:53 PM
KStoller-WMF edited projects, added Growth-Team (FY2025-26 Q3 Sprint 5); removed Growth-Team.
Urbanecm_WMF claimed this task.Mar 11 2026, 1:38 PM
Urbanecm_WMF moved this task from Incoming to Doing on the Growth-Team (FY2025-26 Q3 Sprint 5) board.
gerritbot added a comment.Mar 11 2026, 1:42 PM

Change #1250588 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[mediawiki/extensions/GrowthExperiments@master] cleanup: Remove emailability code

https://gerrit.wikimedia.org/r/1250588

gerritbot added a project: Patch-For-Review.Mar 11 2026, 1:42 PM
gerritbot added a comment.Mar 11 2026, 2:21 PM

Change #1250588 merged by jenkins-bot:

[mediawiki/extensions/GrowthExperiments@master] cleanup: Remove emailability code

https://gerrit.wikimedia.org/r/1250588

Maintenance_bot removed a project: Patch-For-Review.Mar 11 2026, 2:31 PM
ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.20; 2026-03-17).Mar 11 2026, 3:01 PM
gerritbot added a comment.Mar 24 2026, 3:41 PM

Change #1260008 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[mediawiki/core@master] Set the default for UserEmailConfirmationUseHTML to true

https://gerrit.wikimedia.org/r/1260008

gerritbot added a project: Patch-For-Review.Mar 24 2026, 3:41 PM
gerritbot added a comment.Mar 24 2026, 3:44 PM

Change #1260010 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[mediawiki/core@master] cleanup: Remove PlaintextConfirmEmailBuilder

https://gerrit.wikimedia.org/r/1260010

gerritbot added a comment.Mar 24 2026, 3:45 PM

Change #1260011 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[operations/mediawiki-config@master] cleanup: Remove UserEmailConfirmationUseHTML (defaults to true)

https://gerrit.wikimedia.org/r/1260011

Urbanecm_WMF moved this task from Doing to Code Review on the Growth-Team (FY2025-26 Q3 Sprint 5) board.Mar 24 2026, 3:46 PM
Michael edited projects, added Growth-Team (FY2025-26 Q3 Sprint 6); removed Growth-Team (FY2025-26 Q3 Sprint 5).Mar 24 2026, 4:19 PM
Michael moved this task from Incoming to Code Review on the Growth-Team (FY2025-26 Q3 Sprint 6) board.
gerritbot added a comment.Mar 24 2026, 5:23 PM

Change #1260008 merged by jenkins-bot:

[mediawiki/core@master] Set the default for UserEmailConfirmationUseHTML to true

https://gerrit.wikimedia.org/r/1260008

ReleaseTaggerBot edited projects, added MW-1.46-notes (1.46.0-wmf.22; 2026-03-31); removed MW-1.46-notes (1.46.0-wmf.20; 2026-03-17).Mar 24 2026, 6:00 PM
gerritbot added a comment.Apr 1 2026, 4:02 PM

Change #1266309 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[mediawiki/core@wmf/1.46.0-wmf.21] Set the default for UserEmailConfirmationUseHTML to true

https://gerrit.wikimedia.org/r/1266309

gerritbot added a comment.Apr 1 2026, 4:17 PM

Change #1266309 merged by jenkins-bot:

[mediawiki/core@wmf/1.46.0-wmf.21] Set the default for UserEmailConfirmationUseHTML to true

https://gerrit.wikimedia.org/r/1266309

gerritbot added a comment.Apr 1 2026, 4:19 PM

Change #1260011 merged by jenkins-bot:

[operations/mediawiki-config@master] cleanup: Remove UserEmailConfirmationUseHTML (defaults to true)

https://gerrit.wikimedia.org/r/1260011

Stashbot added a comment.Apr 1 2026, 4:19 PM

Mentioned in SAL (#wikimedia-operations) [2026-04-01T16:19:38Z] <urbanecm@deploy1003> Started scap sync-world: Backport for [[gerrit:1266309|Set the default for UserEmailConfirmationUseHTML to true (T411147)]], [[gerrit:1260011|cleanup: Remove UserEmailConfirmationUseHTML (defaults to true) (T411147)]]

Stashbot added a comment.Apr 1 2026, 4:21 PM

Mentioned in SAL (#wikimedia-operations) [2026-04-01T16:21:36Z] <urbanecm@deploy1003> urbanecm: Backport for [[gerrit:1266309|Set the default for UserEmailConfirmationUseHTML to true (T411147)]], [[gerrit:1260011|cleanup: Remove UserEmailConfirmationUseHTML (defaults to true) (T411147)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Stashbot added a comment.Apr 1 2026, 4:29 PM

Mentioned in SAL (#wikimedia-operations) [2026-04-01T16:29:08Z] <urbanecm@deploy1003> Finished scap sync-world: Backport for [[gerrit:1266309|Set the default for UserEmailConfirmationUseHTML to true (T411147)]], [[gerrit:1260011|cleanup: Remove UserEmailConfirmationUseHTML (defaults to true) (T411147)]] (duration: 09m 31s)

ReleaseTaggerBot edited projects, added MW-1.46-notes (1.46.0-wmf.21; 2026-03-24); removed MW-1.46-notes (1.46.0-wmf.22; 2026-03-31).Apr 1 2026, 5:00 PM
gerritbot added a comment.Apr 2 2026, 1:32 PM

Change #1260010 merged by jenkins-bot:

[mediawiki/core@master] cleanup: Remove PlaintextConfirmEmailBuilder

https://gerrit.wikimedia.org/r/1260010

Michael moved this task from Code Review to QA on the Growth-Team (FY2025-26 Q3 Sprint 6) board.Apr 2 2026, 1:38 PM

QA Note: I don't know how much QA is actually needed here. This should have been only cleaning up code and config options that are no longer used.

Michael updated the task description. (Show Details)Apr 2 2026, 1:38 PM
ReleaseTaggerBot edited projects, added MW-1.46-notes (1.46.0-wmf.23; 2026-04-07); removed MW-1.46-notes (1.46.0-wmf.21; 2026-03-24).Apr 2 2026, 2:00 PM
Maintenance_bot removed a project: Patch-For-Review.Apr 2 2026, 2:32 PM
Michael edited projects, added Growth-Team (FY2025-26 Q4 Sprint 1); removed Growth-Team (FY2025-26 Q3 Sprint 6).Apr 7 2026, 4:37 PM
Michael moved this task from Incoming to QA on the Growth-Team (FY2025-26 Q4 Sprint 1) board.
Etonkovidova closed this task as Resolved.Apr 13 2026, 2:59 PM
Etonkovidova subscribed.

Checked on beta and testwiki wmf.23 for possible regression - all works as expected.

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