Getting the features into the spec is the vast majority of the work. Though some features are not yet implemented in Firefox or Safari, they have both indicated their intention to do so.
Re:It's always been you, Canvas2D
by mkl on Friday March 04, 2022 @06:19PM
(#30561948)
The article should make that clear right at the start. I read the whole thing and came away with the strong impression that these things were Chrome-only (apart from the one mention of Firefox).
Getting the features into the spec is the vast majority of the work. Though some features are not yet implemented in Firefox or Safari, they have both indicated their intention to do so.