FLStudio.
All software is up to date MacOS, FLStudio and Resident Audio Drivers.
FLstudio can see the Resident Audio T4 in the audio input/output and MIDI.
There does not seem to be a CPU resource issue as I have ...
FLStudio 12.5 0.9z (and previous versions of the Alpha Mac release), when having a Behringer U-phoria MC1820 audio interface (or the X18 Air) and selecting the input into a track in the mixer causes an immediate crash ...