All users are encouraged to update their Q-Widget with the MIDI firmware. The “Native QLab” firmware and driver are recommended only for QLab 3 users without a MIDI license – these files are no longer maintained as of OS X 10.12.

QLab – Driver v1.41 (for QLab 3, no longer maintained)
 1 file(s)  6300 downloads
Drivers, Native QLab, Q-Widget August 23, 2017 Download