Also very late to this party, but my old Fireface 400 works great on M1 Macbook Pro - albeit with an ugly chain of Apple's adapters. (TB3-TB2 and then TB2-Firewire.) From the RME forums, it seems RME initially said "no" regarding M1, but then the software monkeys got busy and managed it. Not for the ...

Synths, guitars, 'modern classic' cars, unopened computer games, etc. Asset bubbles due to cheap money and 0% interest rates.

But I'm sure TPTB have it under control. Right...?

Lots of these email notifications coming through now - 13 so far, and still coming.