Yes, the track view will show a green name for the instrument, but will not show the actual waveform or play the RT until it is "generated". However, it should regenerate automatically with this type of change when you hit run. But otherwise, what ii is doing is anyones guess here. We should not be seeing this discrepancy with substituting a midi style with a style containing RTs or just by replacing a midi track with a RT - This simple function has worked effortlesslly for years as Notes indicated grin. I will alert the developers about this thread and ask them to help prioritize a fix.
Dan


BIAB – 2026, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, Motu Audio Express 6x6 - My SoundCloud.