Apple announces the iPhone 16 with a faster processor and camera control button
theverge.com
theverge.com
I never got the "karate chop" camera shortcut working for the Moto phone I had, and felt quite silly doing it at all.
Hopefully this special button is a lot less 'stiff' compared to the other buttons.
Some more discussion: https://news.ycombinator.com/item?id=41491896