https://wccftech.com/airpods-max-firmware-3e756-rolling-out-now-with-fixes-and-improvements/

Apple is rolling out a new firmware update for AirPods Max, called 3E756. Despite no changelog. It is fairly obvious that it is a bug fix release.

AirPods Max users have been receiving firmware updates for their expensive new headphones for quite a while now. Last update was released in March which fixes the ultra low power mode issue which users have been facing.