According to Twitter leaker dylandkt, Apple will introduce a new chip called the M2 chip and it will be different from the M1X chip.
The new M2 chip is expected to power the MacBook Air which will be available sometime in the first half of 2022. The report also says that the MacBook Air will have many different color options which was already leaked by Jon Prosser.
The new MacBook Air is expected to get a new design with many different ports and features. Apple already updated the MacBook Air in 2020 so it might take a while till we see a new model released.