https://wccftech.com/ios-14-6-and-ipados-14-6-release-candidate-released-to-developers/

Apple has just pushed out the release candidate build of iOS 14.6 and iPadOS 14.6 to registered developers with iPhones and iPads.

Today, Apple announced that it is bringing lossless support to Apple Music. To get these features in the hands of everyone, there is obviously going to be software updates, and iOS 14.6 and iPadOS 14.6 are those updates, and the release candidate builds of the software are now available for developers as well.