https://www.apple.com/newsroom/2023/10/apple-unveils-m3-m3-p...
M2: June 2022
M2 pro/max: Jan 2023
https://www.apple.com/newsroom/2022/06/apple-unveils-m2-with...
https://www.apple.com/newsroom/2023/01/apple-unveils-m2-pro-...