Describe the change

aria-current and four other attributes (if I haven't lost count) are missing in "6.6 Taxonomy of WAI-ARIA States and Properties"

I don't know if the chapter is supposed to list and classify all attributes? If so, then some are missing. If not, this should perhaps be more clearly stated in the chapter that not all attributes are present.

Link to the version of the specification or documentation you were looking at at.

Link to documentation: https://w3c.github.io/aria/#state_prop_taxonomy

Does the issue exists in the editors draft (the editors draft is the most recent draft of the specification)? YES