The test build is out now as well, you can find it on Github:
github.com/Eukaryot/son...

Note that is is mostly for players who want to have a first look at upcoming features.
Including a bunch of new development utilities for modders (accessible if you enable dev mode in config.json).

Enjoy!

Celebrating the 30th anniversary of Sonic 3, there's a new stable update of Sonic 3 A.I.R. out now!

Find all downloads on Github:
github.com/Eukaryot/son...

Sonic 3 A.I.R. preview update v23.11.18.0 got released for Windows, Mac, Linux, Android, and iOS/Web!

You can find the full changelog and all downloads on Github:
github.com/Eukaryot/son...
And on the project homepage:
sonic3air.org