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Maniphest T409324

StickyHeaders: Instrument the feature
Closed, ResolvedPublic5 Estimated Story Points
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Description

Add instrumentation to collect usage data in accordance with our instrumentation plan. Everything except session tick.

https://docs.google.com/document/d/16VzGaA1EQ4Y6z0gOlYlC2uy8QiQm1O6ZgRnd1Fh629o/edit?usp=sharing

https://docs.google.com/spreadsheets/d/13UZtboVSABm3ALPd7DUxASP5jTUJuagJNW9iXSw9Oxo/edit?gid=1635536298#gid=1635536298

https://docs.google.com/presentation/d/1JOsqj8LiDL7UKasmZU4jvDKTHBX0eMs7HdmOxdmTih8/edit?slide=id.p#slide=id.p

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Enable Sticky Headers for treatment groupmediawiki/extensions/ReaderExperimentsmaster+13 -8
Customize query in gerrit

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StatusSubtypeAssignedTask
 ResolvedmatthiasmullieT409324 StickyHeaders: Instrument the feature
 ResolvedSpikebvibberT409956 Spike on instrumenting session length

Event Timeline

egardner created this task.Nov 5 2025, 5:23 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptNov 5 2025, 5:23 PM
egardner triaged this task as High priority.Nov 7 2025, 6:31 PM
HSwan-WMF updated the task description. (Show Details)Nov 19 2025, 5:28 PM
HSwan-WMF updated the task description. (Show Details)Nov 19 2025, 5:34 PM
HSwan-WMF set the point value for this task to 5.
HSwan-WMF moved this task from Needs Refinement to Ready on the Reader Growth Team board.Nov 19 2025, 6:14 PM
mfossati closed subtask T409956: Spike on instrumenting session length as Resolved.Nov 20 2025, 5:23 PM
HSwan-WMF moved this task from Ready to Sprint 5 (Nov 25 - Dec 9) Q2 25/26 on the Reader Growth Team board.Nov 21 2025, 6:24 PM
HSwan-WMF edited projects, added Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26); removed Reader Growth Team.
egardner added projects: FY2025-26 WE3.1 Engaging New Audiences, ReaderExperiments.Nov 21 2025, 8:44 PM
egardner mentioned this in T410791: Sticky Headers: Account for varying page length.Nov 21 2025, 10:19 PM
SherryYang-WMF moved this task from Committed to Code Review on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Nov 22 2025, 3:27 AM
SherryYang-WMF moved this task from Code Review to QA on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.
SherryYang-WMF subscribed.

chatted with Brooke today and we think this one likely has two points left based on where we landed with requirements above

matthiasmullie claimed this task.Nov 25 2025, 1:42 PM
HSwan-WMF moved this task from QA to Committed on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Nov 25 2025, 5:12 PM
matthiasmullie moved this task from Committed to Doing on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Dec 1 2025, 5:03 PM
matthiasmullie moved this task from Doing to Code Review on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Dec 3 2025, 9:13 PM
mfossati subscribed.Dec 4 2025, 2:11 PM

Sticky header click events seem funky: sometimes they're logged as sticky, sometimes not. See how action_source values behave in this video:

gerritbot added a comment.Dec 4 2025, 2:27 PM

Change #1214630 had a related patch set uploaded (by Marco Fossati; author: Matthias Mullie):

[mediawiki/extensions/WikimediaEvents@master] Instrument sticky header page visits & toggles

https://gerrit.wikimedia.org/r/1214630

gerritbot added a project: Patch-For-Review.Dec 4 2025, 2:27 PM
gerritbot added a comment.Dec 4 2025, 3:55 PM

Change #1215198 had a related patch set uploaded (by Matthias Mullie; author: Matthias Mullie):

[mediawiki/extensions/ReaderExperiments@master] Enable Sticky Headers for treatment group

https://gerrit.wikimedia.org/r/1215198

gerritbot added a comment.Dec 5 2025, 2:05 PM

Change #1215198 merged by jenkins-bot:

[mediawiki/extensions/ReaderExperiments@master] Enable Sticky Headers for treatment group

https://gerrit.wikimedia.org/r/1215198

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.7; 2025-12-16).Dec 5 2025, 3:00 PM
matthiasmullie moved this task from Code Review to QA on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Dec 8 2025, 9:32 AM
mfossati added a comment.Dec 9 2025, 11:00 AM

QA

mfossati moved this task from QA to Signoff on the Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26) board.Dec 9 2025, 11:01 AM
mfossati closed this task as Resolved.Dec 10 2025, 9:49 AM

Production QA will happen in T412146: Launch Mobile Expanded Sections on non-English wikis, closing.

jwang mentioned this in T411444: Data QA for mobile sticky headers.Dec 18 2025, 10:58 PM
matthiasmullie added a project: ReaderExperiments-StickyHeaders.Jan 6 2026, 1:26 PM
Restricted Application edited projects, added Reader Growth Team; removed Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26). · View Herald TranscriptJan 6 2026, 1:26 PM
Aklapper edited projects, added Reader Growth Team (Sprint 5 (Nov 25 - Dec 9) Q2 25/26); removed Reader Growth Team.Jan 6 2026, 1:57 PM
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