The fourth beta versions of macOS 12.4 Monterey, iOS 15.5, and iPadOS 15.5 are available to users participating in the beta testing programs for Apple system software.
Additionally, new betas are available for Apple Studio Display, tvOS 15.5, and watchOS 8.6 as well.
Any active user in the developer beta or public beta testing programs can get the latest beta builds on their eligible devices now.
These are not expected to significant updates with any major new features, but it’s more likely the beta builds will fix bugs and include security patches for macOS, iOS, iPadOS, and the other Apple operating systems.