1381810 - [Ubuntu] Black borders displayed for webextension panel

Status: RESOLVED DUPLICATE of bug 1357487

(WebExtensions :: Untriaged, defect, P3)

Description

[Vasilica Tamas, QA [:vtamas]]

Attachment: 2017-07-18_1508.png

[Affected versions]:
Firefox 56.0a1 (2017-07-18)

[Affected platforms]:
Ubuntu 16.04 32-bit

[Steps to reproduce]:
1.Launch Firefox with a clean profile.
2.Navigate to about:config and set "extensions.webextensions.remote” pref to true.
3.Install the following webextension: https://addons-dev.allizom.org/en-US/firefox/addon/beastify-oop/
4.Click on the webextension icon from toolbar.


[Expected Results]:
The webextension panel is properly displayed without any UI issue.


[Actual Results]:
- The webextension panel is framed with black borders.
- This issue is not reproducible with "extensions.webextensions.remote” pref set to false.
- See attached screenshot.

[Additional notes]:
- Considering that extensions.webextensions.remote is false on Firefox 55 I will mark this version as disabled.
- This issue is not reproducible on Windows and Mac platforms.

Comment 1

[Tomislav Jovanovic :zombie]

I believe this is the same as bug 1357487.