A rounded rect is already a continuous curve, so maybe the visible corners are a rendering artefact.https://twitter.com/argentumko/status/955773459463790592 …
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The radii of curvature, which can be expressed in terms of the 2nd derivatives, agree. Whether or not it’s an “issue” is a matter of taste. G2 curves are used in Apple software because they more nearly match the curves of the hardware.
Thanks, I'm now G2 aware ;-) Wasn't talking aesthetics, just suspect antialiasing.
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