Created attachment 8900631 [details] 960.png [Affected versions]: Nightly 57.0a1 [Affected platforms]: Platforms: Windows 10 x 64 and Ubuntu 16.04 x64. [Steps to reproduce]: 1. Launch Firefox. 2. Go to "about:preferences". 3. Change the W to 960. [Expected result]: The content area should be completely displayed. [Actual result]: The content area is not completely displayed.
status-firefox55: --- → unaffected
status-firefox56: --- → unaffected
Status: NEW → RESOLVED
Last Resolved: 7 months ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1388796
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