>>> Hyperion's plan to produced a multiprocessing AmigaOS variant without
>>> backward compatibility problems? Ridiculous.

>> If AROS can do it, why not Hyperion? AROS is open source, after all ;-)

> When did AROS become 3.1 compatible?

AROS is source-compatible with AmigaOS 3.1. As far as I know, existing AROS programs won't have to be recompiled to run on the boot core in SMP-enabled AROS. Why shouldn't the same be possible with OS4 (or MorphOS, for that matter)?

> It can run AmigaOS binaries without UAE?

No, but I fail to see the relevance for what I wrote.