Mark Gurman: Apple 也已经在开发 M3 芯片，即将用于 iMac 和 13/15 英寸 MacBook Air。 12 英寸 MacBook 也有可能。

原推：Apple is also already working on the M3 chip, coming to the iMac and 13/15-inch MacBook Airs. Also a possibility for the 12-inch MacBook.
https://twitter.com/markgurman/status/1541100998382366720