Raspbian Bullseye: camera software changes
https://www.raspberrypi.com/news/bullseye-camera-system/
https://www.raspberrypi.com/documentation/accessories/camera.html
https://forums.raspberrypi.com/viewtopic.php?t=323390
And doubtless elsewhere
https://www.raspberrypi.com/news/bullseye-camera-system/
https://www.raspberrypi.com/documentation/accessories/camera.html
https://forums.raspberrypi.com/viewtopic.php?t=323390
And doubtless elsewhere