Apple has released iOS 11.4.1, watchOS 4.3.2, and tvOS 11.4.1 to the public. The update includes some bug fixes and improves reliability of Find My AirPods, and more reliable syncing of mail, contacts and notes syncing with Exchange accounts.
watchOS release notes simply state that “this update includes improvements and bug fixes.”
iOS 11.4.1 was also released for the HomePod brining stability and quality improvements according to Apple.
All major features and changes are now aimed for iOS 12, tvOS 12, watchOS 5, and macOS 10.14 Mojave all of which are currently in beta and are expected to release to the public this fall.