The guys who used AA before or asked me this question at least once would know that AA is made to be forward-compatible with all of the MC versions that don't break the code as badly as the 1.13 rewrite did. Therefore let me say this - AA was forward-compatible with 1.16 versions of MC even before they ever existed :-D
Now, since there's almost always something to optimize of polish due to how the Spigot API changes between versions, I used the opportunity to do just that. And so I'm releasing the officially 1.16.x-compatible version of AA for you all to enjoy
Version 2.3.4
=============
Maintenance version
Updated:
* official compatibility with Spigot versions 1.16.x (although AA was already forward-compatible with 1.16 versions beforehand)