Created attachment 8909040 [details] Overflow_menu_expanded.png User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:57.0) Gecko/20100101 Firefox/57.0 Build ID: 20170916100147 Steps to reproduce: 1. Install 'Translate' Now add-on: https://addons.mozilla.org/en-US/firefox/addon/translate-now/?src=search 2. Pin its toolbar icon to the Overflow Menu Actual results: The Overflow Menu is expanded to show some kind of submenu for this add-on. Clicking the 'back' arrow in the submenu collapses it temporarily, as it is immediately expanded to its original size. Expected results: The Overflow Menu wasn't designed to be expanded in this way? See attachment.
Summary: overflow menu expanded → Overflow Menu expanded (width doubled) after pinning add-on icon
Component: Untriaged → Menus
I can reproduce this but not 100% of the time. @Mike/Gijs, can one of you investigate this?
Status: UNCONFIRMED → NEW
Ever confirmed: true
Is that add-on force-showing the browser action panel or something? :-\
Here's some better STR: 0. make sure button is in toolbar 1. left click on button to translate. 2. context menu -> pin to overflow. 3. open overflow menu. 4. left click on button to translate. 5. re-open overflow menu once it gets in this state it stays in this state until the subview has been closed via the "<" button
Assignee: nobody → mdeboer
Status: NEW → ASSIGNED
This should be fixed in the _next_ Nightly.
Status: ASSIGNED → RESOLVED
Last Resolved: a year ago
Resolution: --- → FIXED
Verified as fixed in Nightly 58.0a1(2017-09-27) OS: Win 10 64 bit, Win7 64 bit, Linux-Ubuntu 16.04, Mac OSX 10.12
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