It does work with varied track lengths though. It only doesn’t work if master length is set to infinite. And if that is the case it does in fact change, just one bar too late. Beyond that the tracks can be as different, but of course if one is set to 32 and the master to 16, you’ll need to align the changes properly yourself, but that at least makes perfect sense. I wonder what about infinite master track length makes it so that it changes one bar too late