Apple today released the iOS 16.1 Beta 4 update to both developers and the public beta (How to install: https://bit.ly/3IsZ6qK) and it’s done. It comes in Build number 20B5064c.
By updating iOS 16.1 Beta 4 there are performance improvements. Including fixes various bugs, such as removing the ‘Adaptive Transparency’ feature that automatically adjusts the ambient noise cancellation mode on AirPods Pro and AirPods Max, which Apple says only supports 2nd generation AirPods Pro.
Additionally, Apple has also released updates for iPadOS 16 Beta 11, macOS Monterey 12.6.1 Beta, macOS Ventura Beta 10 and tvOS 16.1 Beta 4.
Source: 9to5mac