State of Union: https://developer.apple.com/videos/play/wwdc2023/102/

VR apps porting: https://developer.apple.com/videos/play/wwdc2023/10093/

Immersive Unity apps: https://developer.apple.com/videos/play/wwdc2023/10088/

Design considerations for vision and motion: https://developer.apple.com/videos/play/wwdc2023/10078/

Taken from the following reddit post: https://www.reddit.com/r/vrdev/comments/1462o5k/for_those_interested_in_developing_for_the_new/