This bug was originally reported on webcompat.com anonymously: https://webcompat.com/issues/3297 STR: 1) Navigate to: https://jsfiddle.net/h7gpxc4w/ 2) Move mouse around Expected Behavior: Outline property width on row is consistent even with non attached mouse movement Actual Behavior: On Firefox, if I move the mouse then the outline width changes in animation. In Chrome it is consistent. I am able to reproduce this in Firefox 49 and 52 on OSX and Windows 10.
See Also: → https://webcompat.com/issues/3303
Looks like our outline size depends on the content, and transform happens in compositor thread so the outline size is not updated properly during animation? I guess we can probably change the outline impl to not depending on the content, so that its size would be consistent across repaint. If this isn't breaking any real site, I don't think it has a high priority, though.
Given there are more discussion in bug 1305976, duplicate this one into that.
Status: NEW → RESOLVED
Last Resolved: 2 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1305976
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