Specifically, MathML Core: https://mathml-refresh.github.io/mathml-core/
Re:Fast Math Rendering on the Web
by dvfjsdhgfv on Sunday April 12, 2020 @06:42AM
(#22847272)
For the time being, Firefox and Webkit are the only serious options for MathML.
s/chrome/Igalia/
As far as I can see Google aren't sponsoring this work (it's unclear to me why not), they've agreed it's worth doing and are reviewing patches.
https://mathml.igalia.com/ https://bugs.chromium.org/p/chromium/issues/detail?id=6606
https://developer.mozilla.org/en-US/docs/Web/MathML