Scale: enable Growth features for 100% of new accounts on most Wikipedias
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Description

Over the last several years, the Growth features have been deployed to 80% of new accounts (the treatment group) and have been withheld from 20% of new accounts (the control group). Keeping a control group enables us to analyze large experiments on the overall impact of the Growth features, but the downsides are (a) the valuable features are withheld from a fifth of newcomers, and (b) when some newcomers don't have the features it causes confusion for campaigns and events and for on-wiki discussion.

In T270786: Newcomer tasks: NEWTEA revisited, we completed a second round of analysis using this large experiment, and we now feel like we have sufficiently experimented with the overall impact of the Growth features. We want to remove the control groups for most Wikipedias, and in the future, experiment within the Growth features.

Specifically, all Wikipedias except the following should give Growth features to 100% of new accounts going forward. These Wikipedias should continue to have the control groups they currently have with no changes:

Growth pilot wikis
- Arabic
- Czech
- Bengali
- Spanish
Languages close to the pilot wikis:
- Portuguese
- Turkish
- Persian
Wikipedias where the community tests the features:
- German
- English

Details

Due Date: Feb 17 2022, 5:00 PM

	Subject	Repo	Branch	Lines +/-
	Deploy Growth features to 100% of newcomers on most Wikipedias	operations/mediawiki-config	master	+0 -22

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Status	Assigned	Task
Resolved	Trizek-WMF	T247507 Scale: deploy Growth features to 100 wikis
Resolved	Urbanecm_WMF	T301820 Scale: enable Growth features for 100% of new accounts on most Wikipedias
Resolved	Trizek-WMF	T301822 Inform communities of the Growth features being enabled for 100% of new accounts on most Wikipedias

Event Timeline

MMiller_WMF created this task.Feb 15 2022, 7:23 PM

MMiller_WMF mentioned this in T296702: Scale: enable Growth features for existing accounts.

MMiller_WMF edited parent tasks, added: T247507: Scale: deploy Growth features to 100 wikis; removed: T296702: Scale: enable Growth features for existing accounts.Feb 15 2022, 7:25 PM

MMiller_WMF updated the task description. (Show Details)

This task is Ready for Development. We will deploy first, and @Trizek-WMF will take care of the communication afterward.

Trizek-WMF removed MMiller_WMF as the assignee of this task.Feb 15 2022, 7:28 PM

To whoever is taking care of this config change, can you tell me when it could be on wikis?

In T301820#7712438, @Trizek-WMF wrote:

To whoever is taking care of this config change, can you tell me when it could be on wikis?

When do you want it to be? This is a config change, so we could do it on any deploy day (=not Friday).

Change 763171 had a related patch set uploaded (by Urbanecm; author: Urbanecm):

[operations/mediawiki-config@master] Deploy Growth features to 100% of newcomers on most Wikipedias

https://gerrit.wikimedia.org/r/763171

gerritbot added a project: Patch-For-Review.Feb 16 2022, 7:37 AM

I've uploaded a config change for this. As @Tgr says, can be deployed at (almost) any time.

Restricted Application added a project: User-Urbanecm_WMF. · View Herald TranscriptFeb 16 2022, 7:37 AM

Urbanecm_WMF moved this task from Untriaged to Engineering on the User-Urbanecm_WMF board.Feb 16 2022, 9:40 AM

Urbanecm_WMF edited projects, added User-Urbanecm_WMF (Engineering); removed User-Urbanecm_WMF.

kostajh changed the task status from Open to In Progress.Feb 16 2022, 12:48 PM

kostajh triaged this task as Medium priority.

kostajh moved this task from Ready for Development to Code Review on the Growth-Team (Sprint 0 (Growth Team)) board.

Then let's go with tomorrow. :)

Trizek-WMF updated the task description. (Show Details)Feb 16 2022, 2:11 PM

Trizek-WMF set Due Date to Feb 17 2022, 5:00 PM.Feb 16 2022, 5:02 PM

Change 763171 merged by jenkins-bot:

[operations/mediawiki-config@master] Deploy Growth features to 100% of newcomers on most Wikipedias

https://gerrit.wikimedia.org/r/763171

Mentioned in SAL (#wikimedia-operations) [2022-02-17T08:26:32Z] <urbanecm@deploy1002> Synchronized wmf-config/InitialiseSettings.php: c0cbd3048f9d288b40dbde09506fe212de176f19: Deploy Growth features to 100% of newcomers on most Wikipedias (T301820) (duration: 00m 50s)