New notification badge acts funny on Opera 12
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	matmarex
	Aug 5 2016, 7:17 PM

Description

The new notification badge acts funny on Opera 12. Symptoms include:

The badge flashes on and off during the loading of the page, and when hovered
Occasionally tabs have high CPU usage, even on background tabs (doing nothing)
During loading of the page, area in top-right corner of the page is sometimes clickable, leading to Special:Notifications

For whatever reason, all this seems to be caused by using an SVG image in content property in CSS.

	Subject	Repo	Branch	Lines +/-
	mw.echo.badge: Use 'background-image' rather than 'content'	mediawiki/extensions/Echo	master	+10 -23

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matmarex triaged this task as Lowest priority.

Change 303253 had a related patch set uploaded (by Bartosz Dziewoński):
mw.echo.badge: Use 'background-image' rather than 'content'

Change 303253 merged by jenkins-bot:
mw.echo.badge: Use 'background-image' rather than 'content'

Checked the issues described in the task in Opera 39.0 (Windows) - none of the issues are present.

The screenshots for the record: