I fixed it by: Going to Window > Devices and Simulators, Clicking the device and checking 'Connect via Network' Unplugging the device Quitting Xcode Plugging the device back in Relaunching Xcode Going back to Window > Devices and Simulators and verifying the check for 'Connect via Network' was still on Run

Please help Apple! The shareplay profile has been removed from developer.apple.com and there is currently no way to shareplay.

I just downloaded macOS monterey beta 6 and shareplay does not work even with the new shareplay profile. I hope a fix is on the way for Mac users.