Steve Faulkner on Nostr: you wrote "The ARIA Authoring Practices Guide (APG) is a bit of an odd artifact. It ...
you wrote "The ARIA Authoring Practices Guide (APG) is a bit of an odd artifact. It looks official but is no longer recognized by the W3C as a formal document" I don't think a document needs to be official to be useful. For example, the work being done by https://aria-at.w3.org/ is developing a firm basis for screen reader interoperability using the APG design patterns