WCAG 3 is slowly getting ready and brings many great improvements. Especially the focus on ease of use and understanding matters I think, as it will help making websites accessible more approachable. Even more exciting is the extended scope of this standard, beyond just the web. How do we make all kind of digital interfaces accessibles - voice assistants, vehicles, natives apps?
PS - 2021-02-01: I just found that great article that summarizes in a more casual, but also contextual way, what this all means and what is upcoming.