[MILESTONE] Deploy Paste Check to all Wikipedias
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	ppelberg
	Sep 19 2025, 9:33 PM

Description

This is a tracking task for the work involved with scaling Paste Check to all Wikipedias.

Deployment plan

Per the findings published on mediawiki.org, the experiment is causing us to be confident making Paste Check available to all newcomers at all Wikipedias.

Wikis: All wikipedias
Timing: Paste Check will ride the train going out the week of 2 March 2026
Default configuration: match values set for the A/B experiment (T405422):

Parameter	Default
account	`false`
maximumEditcount	`100`
ignoreSections	`[]`
ignoreLeadSection	`false`
enabled	`true`

QA

In addition to ensuring Paste Check is available by default at all Wikipedias, please verify the A/B experiment has been successfully turned off (T417429).

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	PasteCheck: Enable by default	mediawiki/extensions/VisualEditor	wmf/1.46.0-wmf.18	+0 -1
	PasteCheck: Enable by default	mediawiki/extensions/VisualEditor	master	+0 -1

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Related Objects
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Status	Subtype	Assigned	Task
Open		None	T265163 Create a system to encode best practices into editing experiences
In Progress		nayoub	T359107 [EPIC] Paste Check: Prompt people pasting text to consider risk of copyright violation
Resolved		Ryasmeen	T405127 [MILESTONE] Deploy Paste Check to all Wikipedias
Resolved		MNeisler	T399669 [WE 1.1.1] Run an A/B test to evaluate impact of Paste Check
Declined		bmartinezcalvo	T399561 Paste Check: Prevent the Paste Checks from reappearing after adding a citation
Resolved		bmartinezcalvo	T399557 Paste Check: Improve experience in the Mid-edit
Resolved		DLynch	T399675 Paste Check: Clarify resolution path/experience
Declined		bmartinezcalvo	T397178 Reference Check: Disable the card when the "Add a citation" popover is displayed
Resolved		ppelberg	T399973 [Paste Check] Implement initial configurable facets
Resolved		MNeisler	T376064 [BASELINE] What percentage of edits are reverted because of copyvio risk?
Duplicate		None	T380272 Extract data to assess the percentage of edits reverted because of copyvio risk
Resolved		ppelberg	T402601 Compile list of templates, jargon and policies relevant to Copyvio
Resolved		ppelberg	T383278 Publish Paste Check Measurement Plan
Resolved		ppelberg	T400096 Paste Check: Instrument the Paste Check UX
Resolved		MNeisler	T400098 [Paste Check] Report on leading indicators
Resolved		ppelberg	T400518 Paste Check: Finalize UX copy
Resolved		bmartinezcalvo	T400622 Usability test for Paste Check new flow
Resolved		DLynch	T379843 Tag edits in which ≥1 Paste Check was shown
Resolved		Trizek-WMF	T380319 Consult with volunteers about proposed Paste Check user experience
Resolved	Feature	ppelberg	T402195 Improve edit check a/b test configuration to cope with multiple tests running side by side
Resolved		ppelberg	T402992 Enable volunteers to enable Paste Check via on-wiki configuration
Resolved		DLynch	T403768 Edit check: provide simple config to disable a check
Resolved		Trizek-WMF	T403637 Publish Paste Check controlled experiment plan
Resolved		Trizek-WMF	T403680 Identify participating wikis for Paste Check A/B experiment
Resolved		MNeisler	T403861 Estimate number of edit sessions Paste Check has potential to activate within
Resolved		ppelberg	T402460 Add instrumentation to VEFU to detect when content is pasted within an edit session
Resolved		ldelench_wmf	T403787 Update Help:Edit check to include Paste Check
Resolved		DLynch	T404914 Set Paste Check config default values
Resolved		ppelberg	T404923 Conduct pre-deployment QA (Paste Check)
Resolved		DLynch	T405422 Deploy config change to start the Paste Check A/B Test
Resolved		EAkinloose	T405816 Paste Check copy tweaks
Resolved		Esanders	T406164 Paste check: show the check card immediately on mobile
Resolved	BUG REPORT	DLynch	T414707 Paste check isn't updating as the user edits the text
Resolved		Quiddity	T414755 Define and announce plan to deploy Paste Check as a default-on Edit Check at all Wikipedias
Resolved		DLynch	T417429 [Config] Deploy config change to STOP the Paste Check A/B experiment
Resolved	BUG REPORT	DLynch	T418537 RequiredTemplateParamsEditCheck API errors can take down the entire listener's checks

Event Timeline

ppelberg created this task.Sep 19 2025, 9:33 PM

ppelberg added a subtask: T400506: Enable volunteers to configure what namespaces Edit Checks have the potential to show within.

ppelberg mentioned this in T399973: [Paste Check] Implement initial configurable facets.Sep 19 2025, 9:35 PM

ppelberg added a subtask: T399669: [WE 1.1.1] Run an A/B test to evaluate impact of Paste Check.Jan 15 2026, 11:25 PM

ppelberg added a subtask: T414707: Paste check isn't updating as the user edits the text.Jan 15 2026, 11:47 PM

ppelberg created subtask T414755: Define and announce plan to deploy Paste Check as a default-on Edit Check at all Wikipedias.Jan 16 2026, 12:19 AM

mikez-WMF changed the status of subtask T399669: [WE 1.1.1] Run an A/B test to evaluate impact of Paste Check from Open to In Progress.Feb 13 2026, 12:27 PM

ppelberg triaged this task as High priority.Feb 13 2026, 3:03 PM

ppelberg updated the task description. (Show Details)

ppelberg edited projects, added Editing-team (Editing-18Feb-27Feb-2026); removed Editing-team (Deployments).

ppelberg moved this task from Decisions to be made to Blocked / Needs More Work on the Editing-team (Editing-18Feb-27Feb-2026) board.

ppelberg closed subtask T399669: [WE 1.1.1] Run an A/B test to evaluate impact of Paste Check as Resolved.

ppelberg mentioned this in T399669: [WE 1.1.1] Run an A/B test to evaluate impact of Paste Check.

ppelberg created subtask T417429: [Config] Deploy config change to STOP the Paste Check A/B experiment.Feb 13 2026, 4:43 PM

ppelberg closed subtask T414707: Paste check isn't updating as the user edits the text as Resolved.Feb 19 2026, 12:51 AM

Change #1240733 had a related patch set uploaded (by Esanders; author: Esanders):

[mediawiki/extensions/VisualEditor@master] PasteCheck: Enable by default

https://gerrit.wikimedia.org/r/1240733

gerritbot added a project: Patch-For-Review.Feb 19 2026, 3:36 PM

ppelberg updated the task description. (Show Details)Feb 27 2026, 10:47 PM

ppelberg edited projects, added Editing-team (Editing-2Mar-17Mar-2026); removed Editing-team (Editing-18Feb-27Feb-2026).

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

ppelberg removed a subtask: T400506: Enable volunteers to configure what namespaces Edit Checks have the potential to show within.

Quiddity closed subtask T414755: Define and announce plan to deploy Paste Check as a default-on Edit Check at all Wikipedias as Resolved.Feb 27 2026, 10:53 PM

ppelberg added a subtask: T418537: RequiredTemplateParamsEditCheck API errors can take down the entire listener's checks.Feb 28 2026, 1:19 AM

Ryasmeen closed subtask T418537: RequiredTemplateParamsEditCheck API errors can take down the entire listener's checks as Resolved.Mar 1 2026, 4:35 AM

DLynch added a project: Editing QA.Mar 2 2026, 6:19 PM

DLynch moved this task from Ready to Be Worked On to QA on the Editing-team (Editing-2Mar-17Mar-2026) board.

DLynch closed subtask T417429: [Config] Deploy config change to STOP the Paste Check A/B experiment as Resolved.Mar 2 2026, 9:51 PM

DLynch mentioned this in T417429: [Config] Deploy config change to STOP the Paste Check A/B experiment.

ppelberg updated the task description. (Show Details)Mar 3 2026, 5:53 AM

ppelberg updated the task description. (Show Details)

Change #1240733 merged by jenkins-bot:

[mediawiki/extensions/VisualEditor@master] PasteCheck: Enable by default

https://gerrit.wikimedia.org/r/1240733

Maintenance_bot removed a project: Patch-For-Review.Mar 3 2026, 11:31 AM

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.19; 2026-03-10).Mar 3 2026, 12:00 PM

Change #1247578 had a related patch set uploaded (by Esanders; author: Esanders):

[mediawiki/extensions/VisualEditor@wmf/1.46.0-wmf.18] PasteCheck: Enable by default

https://gerrit.wikimedia.org/r/1247578

gerritbot added a project: Patch-For-Review.Mar 3 2026, 12:17 PM

Change #1247578 merged by jenkins-bot:

[mediawiki/extensions/VisualEditor@wmf/1.46.0-wmf.18] PasteCheck: Enable by default

https://gerrit.wikimedia.org/r/1247578

Mentioned in SAL (#wikimedia-operations) [2026-03-03T14:21:35Z] <esanders@deploy2002> Started scap sync-world: Backport for [[gerrit:1247578|PasteCheck: Enable by default (T405127)]]

Mentioned in SAL (#wikimedia-operations) [2026-03-03T14:23:35Z] <esanders@deploy2002> esanders: Backport for [[gerrit:1247578|PasteCheck: Enable by default (T405127)]] synced to the testservers (see https://wikitech.wikimedia.org/wiki/Mwdebug). Changes can now be verified there.

Mentioned in SAL (#wikimedia-operations) [2026-03-03T14:29:39Z] <esanders@deploy2002> Finished scap sync-world: Backport for [[gerrit:1247578|PasteCheck: Enable by default (T405127)]] (duration: 08m 01s)

Maintenance_bot removed a project: Patch-For-Review.Mar 3 2026, 2:30 PM

ReleaseTaggerBot edited projects, added MW-1.46-notes (1.46.0-wmf.18; 2026-03-03); removed MW-1.46-notes (1.46.0-wmf.19; 2026-03-10).Mar 3 2026, 3:00 PM

Ryasmeen claimed this task.Mar 4 2026, 8:50 PM

Ryasmeen closed this task as Resolved.Mar 5 2026, 10:16 PM

Ryasmeen edited projects, added Verified; removed Editing QA.

Ryasmeen moved this task from QA to Ready for Sign Off on the Editing-team (Editing-2Mar-17Mar-2026) board.