We are working on a native MacOS ARM (M1/M2) version (Rosetta not needed).
As soon as this software pass successfully the drastic new Apple new security rules (not easy), we will release it.
It will be BETA because of new dev tools, but this it will be interesting to test the sync with it.
In the meantime, please send us an easy lightshow, where we are able to see the sync problem with only DMX LEDs instead of the DMX fixtures. You can send all (with the media file) via wetransfer.