Apple is rolling out firmware version 9B47 for H2-equipped AirPods models, including the AirPods Pro 3, Pro 2, AirPods 4 and 5, and AirPods Max 2. The update is expected to include bug fixes and general improvements, although official release notes are not yet available. Installation happens automatically in the background when AirPods are connected to an updated Apple device and placed in their charging case.
Source: 9to5Mac