User clicks on "move"
Special:Move is being loaded, with a oojsui inputbox containing the current name of the page
(before page finished to load) user edits the content/paste the new name
page load event, rewrites the original content (overriding user changes)

Details

Related Changes in Gerrit:

	Subject	Author	Repo	Branch	Lines +/-
	mw.widgets.ComplexTitleInputWidget: Add infusion helpers	Bartosz Dziewoński	mediawiki/core	master	+46 -0

Related Objects

Mentioned Here: rGOJU4373c45db9f2: Preserve dynamic state of widgets when infusing
rMW5befb9b74790: SpecialMovepage: Convert form to use OOUI controls
T86865: Convert Special:MovePage to OOUI-based form
T106313: Infusion breaks browser autofocus

eranroz raised the priority of this task from to Needs Triage.

eranroz updated the task description. (Show Details)

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We know this is a problem and I implemented a solution some time ago (4373c45db9f287696a2d246f458b142398ccfbe8 / T106313), but I didn't realize that it won't magically work for MovePage's mw.widgets.ComplexTitleInputWidget (added in 5befb9b74790a99aec5514ad8f8784a4fb085288 / T86865). I have a patch pending to fix it (https://gerrit.wikimedia.org/r/#/c/243080/), but it's been stuck in review for a while.

Change 243080 had a related patch set uploaded (by Bartosz Dziewoński):
mw.widgets.ComplexTitleInputWidget: Add infusion helpers

Jdforrester-WMF triaged this task as Medium priority.

Change 243080 merged by jenkins-bot:
mw.widgets.ComplexTitleInputWidget: Add infusion helpers

This issue has been fixed and the fix should be deployed to Wikimedia wikis next week (10-12 November) with MediaWiki 1.27.0-wmf.6, as per https://www.mediawiki.org/wiki/MediaWiki_1.27/Roadmap. You can test it now at http://en.wikipedia.beta.wmflabs.org/.