Assertion failure: !readyTime.IsNull() (Missing or inactive timeline), at .../dom/animation/AnimationPlayer.cpp:152
This bug should not be about making the page animate (that's bug 908634), just about not crashing.
This is fixed by the remaining patches in bug 927349 which should land any day now (although they stand a good chance of getting backed out when they do land).
Now that the necessary parts of bug 927349 have landed on m-c and look like they may stick, I think I can mark this fixed.
Status: NEW → RESOLVED
Closed: 5 years ago
Resolution: --- → FIXED
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