From US site:
Friends
Friends
- New for 1.54: [Screen Mode] has been added as an option in the options menu for video chat. The image of the person you are chatting with during video chat can now be changed to match the screen size.
- New for 1.54: You can now use a compatible USB camera compliant with USB video class (UVC) for video chat. * For information on supported models and usage instructions, contact the retailer where the cameras are sold.