The Hilo-USB is currently supported on Big Sur with both the Intel and Apple Silicon M1 chip.
The Hilo-TB3 and Hilo-TB is currently supported on Big Sur for Macintosh with an Intel processor. Lynx Studio Technology is currently working with Apple to support the new Apple Silicon M1 chip for our Thunderbolt product. Although we currently do not have a release date yet, it is our highest priority to support Apple Silicon for our Thunderbolt product.
Dante support is provided by Audinate. Please see the Audinate web page for complete information on Dante Big Sur support.