One of the issues I'm having with pipeline is when trying to transform a track to rendered audio.
The signal going to the external device drops around 12db when rendering vs when playing back in realtime.
Also, randomly, pipeline will stop working when the track it is inserted on is solo'd. Replacing it with a new instance sometimes fixes it.
I'm assuming it is just buggy.... I have the problem even with a simple test song with only one track and no effects.