[sdwrj]

Crazy how most fonts don't support any of this... (update: oops, I'm wrong!)

[TheRealPomax]

Almost all fonts commonly used today support most if not all of this (except for variable axes, because that's still a relatively new development)

[WillAdams]

Variable Axes have been around since Adobe Multiple Masters in the mid to early 90s:

https://web.archive.org/web/20091223045132/http://partners.a...

[TheRealPomax]

But the "fvar" table [1], as part of the OpenType specification, has not.

[1] https://learn.microsoft.com/en-us/typography/opentype/spec/f...

[Gualdrapo]

Because not all typefaces are OpenType, and not all OpenType typefaces have features set.