With the program below, I have the micro:bit in proxy mode, but the micro:bit simulator is not responding to physical button press (the character always remains U, it never transitions to D on press of physical button). Note that the digital twin of the physical button is responding to button press:
With the program below, I have the micro:bit in proxy mode, but the micro:bit simulator is not responding to physical button press (the character always remains U, it never transitions to D on press of physical button). Note that the digital twin of the physical button is responding to button press: