Apple has seeded the first round of release candidates of macOS Sequoia 15.3, iOS 18.3, iPadOS 18.3, tvOS 18.3, watchOS 11.3, and visionOS 2.3 to developers.

A release candidate (RC), also known as gamma testing or “going silver”, is a beta version with the potential to be a stable product, which is ready to release unless significant bugs emerge.

Registered developers can download the release candidates via Apple’s developer portal. Or they can be downloaded over-the-air once the proper configuration profile has been installed from the Developer Center.