https://bugs.chromium.org/p/chromium/issues/detail?id=1079329
Category : Blink > Canvas
(Star the bug if you find it in your browser)
The ends of the arc strokes must be consistent. This works just fine in non-Chromium based browsers(including IE). The bug is present in Chrome, Opera and the new MS Edge(Tested).
The bug and expected behaviour(captured using Firefox) are attached.
Random unexpected glitches/flickers occur in the ends of animated arc strokes The glitch is significantly visible when lineCap property of canvas is set to 'butt' or 'square'.
Did this work before? N/A
Does this work in other browsers? Yes
Chrome version: 81.0.4044.129 Channel: stable
OS Version: 10.0