Using OPB or an autopilot feature puts me in a “staged” or “pre-programmed” state where i have to follow the machine where i want the machine to follow me.
The current behaviour to go to the next part is fine, however it makes you have to pay attention to the BB, you have to make sure that you are on the last meassure before you trigger your next part which takes your attention away from whatever else you are doing.
The reason this feature would be great is that in live gigs you don’t always follow the song arrangements, sometimes you want to add a lead, or double a chorus, or the singer may want to extend a section to talk to the crowd etc, so an OPB or auto-pilot doesn’t allow you for that “on the spot” change of arrangement and being able to QUEUE the next part at any point of the current part makes it so you can keep focus on playing rather than timing when to release the pedal.
For what i see this is not a feature so i’ll email SS so maybe they can add it to their future features list.
PS. i’m using the BB as a replacement for an RC-300 that i used to play independent song sections and go back and forth between them, the RC-300 has the option to play each loop in series or one-at-a-time but it has a feature to start playing the next track at the end of the current loop so you can QUEUE your next part even right after the current part just started, it won’t start the next part until the current loop ends.