Bugzilla

(In reply to Chris Peterson [:cpeterson] from comment #19)
> (In reply to Sotaro Ikeda [:sotaro] from comment #18)
> > I wonder if [D146877](https://phabricator.services.mozilla.com/D146877) might work as a workaround.
> > 
> > ::cpeterson, can you check if the following build could address the problem? And can you take Firefox profiler result when the problem happens?
> 
> Success! I can't reproduce the bug with your build.
> 
> Do you still need me to take a Firefox profile of the animation playing correctly in your build? Or of the bug happening in my regular Nightly build?

Great! Can you take a Firefox profile with regular Nightly build? I want to check which functions are called on Renderer thread when the problem happen.

(In reply to Chris Peterson [:cpeterson] from comment #19)
> (In reply to Sotaro Ikeda [:sotaro] from comment #18)
> > I wonder if [D146877](https://phabricator.services.mozilla.com/D146877) might work as a workaround.
> > 
> > ::cpeterson, can you check if the following build could address the problem? And can you take Firefox profiler result when the problem happens?
> 
> Success! I can't reproduce the bug with your build.
> 
> Do you still need me to take a Firefox profile of the animation playing correctly in your build? Or of the bug happening in my regular Nightly build?

Great! Can you take a Firefox profile with regular Nightly build? I want to check which functions are called on Renderer thread when the problem happen on your PC.