[Bug 1905054]

[Jgilbert]

(In reply to michaelspohn from comment #8)
> (In reply to michaelspohn from comment #7)
> > (In reply to Pat Suwalski from comment #6)
> > > Can you guys try the Firefox 84b2 build? I tried it from the tarball and it worked perfectly.
> > 
> > No change, still broken on Windows 10...
> 
> Fun fact: Chrome 87.0.4280.66 and Edge 87.0.664.47 also do not support WebGL on Google Maps anymore No 3D-View available.
> The "good old" Internet Explorer 11.1198.18362.0 is the only browser that still works just fine.
> But hey, it's 2020! What do you expect? 🤣

It sounds like the Google Maps team started using failIfMajorPerformanceCaveat, but might be going about it in a user-hostile way!
For Firefox, if you check in the Web Console for that page, if you get a message that mentions failIfMajorPerformanceCaveat, then you can bypass this to restore webgl creation via about:config, by setting "webgl.disable-fail-if-major-performance-caveat" to "true"!
Does that help for you?

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https://bugs.launchpad.net/bugs/1905054

Title:
  Firefox 83 Breaks WebGL

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