N-track pro on iPad Air 4, current versions of everything. I’ll record an audio track and the record a midi instrument enclosed in n-track. When I do this the already recorded audio track is Silent I can’t hear it when recording the midi instrument. I can hear both after recording and playing everything back, but not while recording.
The 9.9.6 updates fixed it just as you said. I’m always amazed at how fast you’ve responded to address user concerns and glitches over the years. N-track is uniquely fantastic in that area. Thank you for being so responsive and I can’t wait for your 10.0 version and whatever surprises it will have!