Earlier today, Apple has released the new iOS 14.6, iPadOS 14.6, macOS 11.4, tvOS 14.6 and watchOS 7.5. In the meantime the beta version of iOS 14.7, iPadOS 14.7, macOS 11.5, tvOS 14.7 and watchOS 7.6 has been released.
It is still unsure what are the major chances between both variant. But the noticeable part shows that some bugs from the previous version has been fixed.
To download beta software, iOS and iPadOS can be download through Apple developer site or install through OTA for iPhone and iPad. macOS user can visit the Apple developer site to download compatible file and install update through system pre-defined flow.