Thanks for the suggestion @Lucien. I will forward this onto the dev team.
- In the meantime, you can simply delete the MIDI assignment for this in the MIDI Mapping for your hardware.
- Alternatively, you can also set the crossfader curve to Cut in the djay Settings>Sound>MIXER>Crossfader Curve. This won’t disable it entirely, but is a better option than the other curves if you typically want it fully open.