Here's my thoughts:
1) Manufacturing: it's hard enough producing accessories in 7 colors. By retaining the exact same coloured chassis, power brick and accessories, only swapping out the M1 board for the M3, Apple was able to keep their iMac production lines virtually untouched.
2) "It just works". Every Magic Mouse 2 and Magic Keyboard uses lightning; since the design is identical, Apple wouldn't want to release a new identical device and only change the port. Which leads me to:
3) They want an entirely new mouse/keyboard: they're designing something new, and want to show it off, just like they did with the Pro Mouse and Keyboard in 2000. The mouse charging port will be relocated to a place that pro users will appreciate.
•3a) The new USB-C mouse/keyboard would be announced and shipped with the M3 Mac Studio, Mac Pro and Mac Mini, in a 2024 event.
•3b) The new USB-C mouse will somehow be compatible with the Vision Pro, and add more functionality in iPadOS too.
•3c) I wouldn't be surprised if, building on their support for gaming, they also release an "Arcade Mouse and Keyboard" (but perhaps not).
4) EU: The EU law takes effect on December 28th, 2024. That's the hard deadline.
1) Manufacturing: it's hard enough producing accessories in 7 colors. By retaining the exact same coloured chassis, power brick and accessories, only swapping out the M1 board for the M3, Apple was able to keep their iMac production lines virtually untouched.
2) "It just works". Every Magic Mouse 2 and Magic Keyboard uses lightning; since the design is identical, Apple wouldn't want to release a new identical device and only change the port. Which leads me to:
3) They want an entirely new mouse/keyboard: they're designing something new, and want to show it off, just like they did with the Pro Mouse and Keyboard in 2000. The mouse charging port will be relocated to a place that pro users will appreciate.
•3a) The new USB-C mouse/keyboard would be announced and shipped with the M3 Mac Studio, Mac Pro and Mac Mini, in a 2024 event.
•3b) The new USB-C mouse will somehow be compatible with the Vision Pro, and add more functionality in iPadOS too.
•3c) I wouldn't be surprised if, building on their support for gaming, they also release an "Arcade Mouse and Keyboard" (but perhaps not).
4) EU: The EU law takes effect on December 28th, 2024. That's the hard deadline.