https://wccftech.com/apple-releases-new-firmware-for-airpods-airpods-pro-max-and-beats-headphones/

Apple has just seeded brand new firmware updates for AirPods and Beats headphones.

If you have a pair of AirPods or Beats headphones, then you will be delighted to learn that a new firmware update is now rolling out. The new firmware takes the AirPods (second-gen), AirPods Pro and AirPods Max to version 4A400, while Beats Solo Pro, Powerbeats 4 and Powerbeats Pro have been updated to 4A394. All these headphones have Apple’s headphone chip in common.