Reader Experiments: Deploy extension to English Wikipedia
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	egardner
	Oct 9 2025, 5:13 PM

Description

NOTE: Week of Oct 20

The extension is now on Beta and has passed a provisional security review (a full review by the security team will probably happen next month).

Now we need to enable the feature on production (still hidden behind a URL param feature flag until we actually begin the A/B test).

Deploy to English Wikipedia.

Look at https://gerrit.wikimedia.org/r/c/operations/mediawiki-config/+/1189288 for reference.

We need to change the value from false to true for enwiki.

QA

Test link: https://en.wikipedia.org/wiki/Paris?useskin=minerva&useformat=mobile&imageBrowsing=1

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Deploy the ReaderExperiments extension to English Wikipedia	operations/mediawiki-config	master	+4 -2

Customize query in gerrit

Event Timeline

egardner created this task.Oct 9 2025, 5:13 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptOct 9 2025, 5:13 PM

egardner triaged this task as High priority.Oct 9 2025, 5:13 PM

egardner renamed this task from Reader Experiments: Deploy extension to production to Reader Experiments: Deploy extension to English Wikipedia.Oct 9 2025, 6:25 PM

ovasileva updated the task description. (Show Details)Oct 10 2025, 7:47 AM

ovasileva moved this task from Needs Refinement to Radar on the Reader Growth Team board.Oct 10 2025, 3:11 PM

ovasileva moved this task from Radar to Sprint 2 (Oct 14 - Oct 27) Q2 25/26 on the Reader Growth Team board.

ovasileva edited projects, added Reader Growth Team (Sprint 2 (Oct 14 - Oct 27) Q2 25/26); removed Reader Growth Team.

egardner updated the task description. (Show Details)Oct 14 2025, 2:26 PM

Restricted Application added a subscriber: hubaishan. · View Herald TranscriptOct 14 2025, 2:26 PM

egardner set the point value for this task to 2.Oct 14 2025, 4:52 PM

Restricted Application added a subscriber: alaa. · View Herald TranscriptOct 14 2025, 4:52 PM

• mfossati claimed this task.Oct 15 2025, 3:40 PM

• mfossati added a project: FY2025-26 WE3.1 Engaging New Audiences.Oct 16 2025, 3:35 PM

• mfossati changed the task status from Open to In Progress.Oct 22 2025, 10:08 AM

• mfossati moved this task from Committed to Doing on the Reader Growth Team (Sprint 2 (Oct 14 - Oct 27) Q2 25/26) board.

Change #1198016 had a related patch set uploaded (by Marco Fossati; author: Marco Fossati):

[operations/mediawiki-config@master] Deploy the ReaderExperiments extension to English Wikipedia

https://gerrit.wikimedia.org/r/1198016

gerritbot added a project: Patch-For-Review.Oct 22 2025, 10:31 AM

Change #1198016 merged by jenkins-bot:

[operations/mediawiki-config@master] Deploy the ReaderExperiments extension to English Wikipedia

https://gerrit.wikimedia.org/r/1198016

Mentioned in SAL (#wikimedia-operations) [2025-10-22T13:04:46Z] <mfossati@deploy2002> Started scap sync-world: Backport for [[gerrit:1198016|Deploy the ReaderExperiments extension to English Wikipedia (T406907)]]

Mentioned in SAL (#wikimedia-operations) [2025-10-22T13:09:15Z] <mfossati@deploy2002> mfossati: Backport for [[gerrit:1198016|Deploy the ReaderExperiments extension to English Wikipedia (T406907)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mentioned in SAL (#wikimedia-operations) [2025-10-22T13:15:18Z] <mfossati@deploy2002> Finished scap sync-world: Backport for [[gerrit:1198016|Deploy the ReaderExperiments extension to English Wikipedia (T406907)]] (duration: 10m 32s)