On Wed, Dec 05, 2018 at 06:20:50PM +0000, Robin Murphy wrote: > Is there any good reason to let .add_device/.remove_device be optional > still? Everyone's implemented them for a while now, and on a practical level > I don't really see how else we could expect devices to be taken in and out > of their appropriate groups correctly. There is probably no reason anymore to keep add_device/remove_device option. I'll check the users and remove the pointer checks if possible. Regards, Joerg