[Config] Deploy config change to STOP the Reference Check A/B experiment (en.wiki)
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	ppelberg
	Feb 3 2026, 5:52 PM

Description

In T406134, we started the Reference Check A/B experiment (en.wiki). In this task, we will stop the A/B experiment.

Timing

TBD pending outcome of en.wiki discussion.

Requirements

Turn off the Reference Check experiment we enabled in T406134

NOTE: The work of enabling Reference Check for newcomers will happen in T331946 and is blocked on the outcome of the discussion we are facilitating w/ voluneters via T413455.

Done

Editing Engineering deploys config change to stop the Reference Check A/B experiment

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Edit check: turn off the addReference a/b test on enwiki	operations/mediawiki-config	master	+0 -10

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Status	Assigned	Task
Open	None	T265163 Create a system to encode best practices into editing experiences
Resolved	ppelberg	T331946 [RELEASE TICKET] Make Edit Check (references) available to all newcomers at all Wikipedias
Resolved	Sdkb	T413455 [MoveComms] Publish Reference Check A/B experiment findings and propose next steps
Resolved	DLynch	T416378 [Config] Deploy config change to STOP the Reference Check A/B experiment (en.wiki)

Event Timeline

ppelberg created this task.Feb 3 2026, 5:52 PM

ppelberg triaged this task as High priority.

ppelberg moved this task from Decisions to be made to Ready to Be Worked On on the Editing-team (Editing-2Feb-17Feb-2026) board.

We're going to revisit this task next week. Once the conversation that's ongoing at en.wiki (T413455 ) concludes.

ppelberg updated the task description. (Show Details)Feb 4 2026, 6:36 AM

ppelberg moved this task from Blocked / Needs More Work to Ready to Be Worked On on the Editing-team (Editing-2Feb-17Feb-2026) board.Feb 10 2026, 1:02 PM

Change #1238382 had a related patch set uploaded (by DLynch; author: DLynch):

[operations/mediawiki-config@master] Edit check: turn off the addReference a/b test on enwiki

https://gerrit.wikimedia.org/r/1238382

gerritbot added a project: Patch-For-Review.Feb 10 2026, 4:15 PM

Change #1238382 merged by jenkins-bot:

[operations/mediawiki-config@master] Edit check: turn off the addReference a/b test on enwiki

https://gerrit.wikimedia.org/r/1238382

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:03:40Z] <kemayo@deploy2002> Started scap sync-world: Backport for [[gerrit:1238382|Edit check: turn off the addReference a/b test on enwiki (T367343 T416378)]], [[gerrit:1238383|Edit check: enable suggestions beta-feature on enwiki (T399611)]]

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:05:55Z] <kemayo@deploy2002> kemayo: Backport for [[gerrit:1238382|Edit check: turn off the addReference a/b test on enwiki (T367343 T416378)]], [[gerrit:1238383|Edit check: enable suggestions beta-feature on enwiki (T399611)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mentioned in SAL (#wikimedia-operations) [2026-02-10T21:13:38Z] <kemayo@deploy2002> Finished scap sync-world: Backport for [[gerrit:1238382|Edit check: turn off the addReference a/b test on enwiki (T367343 T416378)]], [[gerrit:1238383|Edit check: enable suggestions beta-feature on enwiki (T399611)]] (duration: 09m 58s)