MobileFrontend's source editor allows to click on the back button while the edit is being saved
Closed, ResolvedPublic1 Estimated Story Points
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Description

Summary

While debugging the hCaptcha integration with the MobileFrontend, we found out that it is possible to click on the back button while an edit is being saved.

This error is now more evident because loading the hCaptcha challenge adds more load time, so the user has more time to click on the back button. However, the error is in the pe-existing logic from the MobileFrontend and the fix is to be implemented on that extension.

Acceptance Criteria

The source editor does not allow to click on the back button while the edit is being saved
The source editor does not allow to click on the back button while an hCaptcha is loading

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	SourceEditor: Disable submit and back buttons while submitting edits	mediawiki/extensions/MobileFrontend	master	+120 -35

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		Status	Subtype	Assigned	Task
		In Progress		• hector.arroyo	T407339 hCaptcha: Implement hCaptcha on edits made through the MobileFrontend
		Resolved		• hector.arroyo	T424651 MobileFrontend's source editor allows to click on the back button while the edit is being saved

Event Timeline

• hector.arroyo created this task.Apr 28 2026, 12:08 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 28 2026, 12:08 PM

• hector.arroyo updated the task description. (Show Details)Apr 28 2026, 12:08 PM

• hector.arroyo added a parent task: T407339: hCaptcha: Implement hCaptcha on edits made through the MobileFrontend.Apr 28 2026, 12:10 PM

• hector.arroyo moved this task from Backlog to Triaged on the MobileFrontend (MobileFrontend (Editor)) board.

Change #1278437 had a related patch set uploaded (by Harroyo-wmf; author: Harroyo-wmf):

[mediawiki/extensions/MobileFrontend@master] SourceEditor: Disable submit and back buttons while submitting edits

https://gerrit.wikimedia.org/r/1278437

gerritbot added a project: Patch-For-Review.Apr 28 2026, 12:45 PM

• hector.arroyo changed the task status from Open to In Progress.Apr 28 2026, 12:54 PM

• hector.arroyo updated the task description. (Show Details)

• hector.arroyo set the point value for this task to 1.

• hector.arroyo moved this task from Backlog to In progress on the Bot detection and mitigation (WE4.2 hCaptcha editing trial) board.Apr 28 2026, 1:02 PM

• hector.arroyo updated the task description. (Show Details)Apr 28 2026, 1:09 PM

• hector.arroyo updated the task description. (Show Details)Apr 28 2026, 2:57 PM

• hector.arroyo moved this task from In progress to QA in Prod on the Product Safety and Integrity (Sprint Tulip (Apr 13 - May 1)) board.

• hector.arroyo moved this task from QA in Prod to Needs review on the Product Safety and Integrity (Sprint Tulip (Apr 13 - May 1)) board.

Yesterday EoD I asked in Editing-team's Slack channel if they are ok with the approach we are following in https://gerrit.wikimedia.org/r/c/1278437 and I'm now waiting for a response.

• hector.arroyo mentioned this in T424502: Disable back button when hCaptcha is loading on mobile source editor.Apr 29 2026, 2:33 PM

OKryva-WMF edited projects, added: Product Safety and Integrity (Sprint lily-of-the-valley (May 4 - May 22)); removed: Product Safety and Integrity (Sprint Tulip (Apr 13 - May 1)).May 1 2026, 7:43 AM

OKryva-WMF moved this task from Backlog to Needs review on the Product Safety and Integrity (Sprint lily-of-the-valley (May 4 - May 22)) board.May 1 2026, 7:44 AM

Change #1278437 merged by jenkins-bot:

[mediawiki/extensions/MobileFrontend@master] SourceEditor: Disable submit and back buttons while submitting edits

https://gerrit.wikimedia.org/r/1278437

• hector.arroyo moved this task from Needs review to QA in Prod on the Product Safety and Integrity (Sprint lily-of-the-valley (May 4 - May 22)) board.May 7 2026, 8:24 AM

• hector.arroyo moved this task from In progress to QA on the Bot detection and mitigation (WE4.2 hCaptcha editing trial) board.

Maintenance_bot removed a project: Patch-For-Review.May 7 2026, 8:31 AM

ReleaseTaggerBot added a project: MW-1.47-notes (1.47.0-wmf.2; 2026-05-12).May 7 2026, 9:00 AM

I see the back button is disabled while hCaptcha is loading. On testwiki and locally.

Editing as a user with skipcaptcha rights, I immediately go to the second page where you see the preview before it publishes, so it is too quick to check whether it is disabled.

kostajh closed this task as Resolved.Tue, May 19, 1:14 PM

MobileFrontend's source editor allows to click on the back button while the edit is being savedClosed, ResolvedPublic1 Estimated Story PointsActions