Tab sometimes ceases to render anything except page-level background color.
Using firefox nightly, but couldn't find any nightly-specific feedback mechanism. I have this problem regularly, where Firefox will fail to render a tab at all, and then rendering for that tab is completely busted. Usually, any new tabs I make shortly after will also be busted (i.e. have this same issue), but eventually I'm able to create new tabs that behave properly.
Any tab can get in this state -- it happens with facebook, reddit, google, small websites, etc.
Alle antwurden (1)
If you have a bug, file a bug report. https://bugzilla.mozilla.org/ Bug Writing Guidelines : https://developer.mozilla.org/en-US/docs/Mozilla/QA/Bug_writing_guidelines
As your on nightly it may be fixed soon. If no reason to be on nightly please install the regular release.
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Refresh is what I would suggest.