The existing AROS source-code has been forked in order to speed up the development of its m68k branch. The reasoning of this choice is that AROS embeds at the moment a lot of code for different platforms (x86, ARM, 68k) which is not relevant in this case. Being able to remove all that unused code will ease development (shorter compile time, easier understanding of code), bring quickly improvements...
Version 3.2.0a is based on Károly 'chainq' Balogh's hints which made available the versions for AmigaOS 3.x, AmigaOS 4, MorphOS and AROS (i386, ARM) on the official download site as planned.
A complete list of everything...