The phrase refers to a pre-release version of Apple’s iOS 19 operating system, distributed to developers and select users for testing purposes. This early access allows individuals to experience and evaluate upcoming features and functionalities before the official public launch. For instance, developers can utilize it to ensure their applications are compatible and optimized for the new operating system.
Such pre-release programs are crucial for identifying and rectifying software bugs and performance issues. The feedback gathered during these periods is instrumental in refining the final product. Historically, these programs have significantly improved the stability and user experience of subsequent operating system updates by allowing for real-world testing under diverse conditions.