Created attachment 1090677 [details] Screenshot of the bug Description of problem: The sync page in the preferences in blank. Version-Release number of selected component (if applicable): Name : firefox Version : 42.0 Release : 2.fc23 Architecture: x86_64 How reproducible: Always Steps to Reproduce: 1. Start Firefox 2. Click on 'Open Sync preferences' Actual results: The page is blank except for the title 'Sync' Expected results: Show configuration for Sync Additional info: I encounter the same problem on a i686 system.
BTW, this is a regression on Firefox 42. I didn't have this bug in Firefox 41.
I did not find a existing report for this, reported a new bug on Mozilla bug-tracker : https://bugzilla.mozilla.org/show_bug.cgi?id=1222463
The bug is cause by the GNOME Theme (ttps://github.com/gnome-integration-team/firefox-gnome/). I'll forward the bug there and close this one.