Apple provides iOS 15.7, iPadOS 15.7, macOS 12.6 betas to testers
Release candidate betas for iOS 15.7, iPadOS 15.7, macOS 12.6 have been made available to developers for testing alongside the upcoming major operating releases.
The newest builds can be picked up by developers enrolled in the beta-testing scheme via the Apple Developer Center, or as an over-the-air update for beta-using devices. Public beta versions of the releases usually arrive shortly after their developer counterparts and will be available through the Apple Beta Software Program website.