It's one of ̶W̶W̶D̶C̶ developer sessions. Some of them at WWDC are basic 101 introduction for rookies.

There are advanced (for me) sessions like:

https://developer.apple.com/videos/play/wwdc2023/10127/

https://developer.apple.com/videos/play/wwdc2023/10042/

Although it's true that they won't discuss at hardware level.