1. Insert an audio track and a midi track
2. Inserted GR 5 Synth as a
SYNTH in the audio track FX bin.
3. Changed the midi track input to my midi controller, and the output to go to GR 5 Synth
4. Went back to the audio track, opening up the GR 5 Synth effect
5. Right-clicked on a knob and clicked Learn, then twirled a knob on my midi controller
6. This time, the midi learn function worked perfectly