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The overflow menu icon flickers in new windows

NEW
Unassigned

Status

()

Firefox
Toolbars and Customization
a month ago
a month ago

People

(Reporter: florian, Unassigned)

Tracking

(Blocks: 1 bug)

Trunk
Points:
---

Firefox Tracking Flags

(firefox57 affected)

Details

Attachments

(1 attachment)

(Reporter)

Description

a month ago
Created attachment 8896017 [details]
Screencast

When a toolbar icon has been pinned to the overflow menu, new windows are first painted without the overflow menu, and that toolbar icon appears a few frames later, causing the whole toolbar to flicker. See attached video.
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