Using the 1.11.1 SDK on macOS 12.3.1 on a Intel 16" MacBook Pro and an external monitor, but I suspect it will occur on any external monitor.
- Start the PD simulator.
- Move the simulator and console onto the non-primary display
- Start a game
- Quit the simulator and restart it.
Results: The PD simulator and console go back to the primary display and not the display where it was was.