The specified term represents a pre-release version of Apple’s operating system intended for mobile devices. It is a software build distributed to developers and select users for testing purposes, preceding the final public release of the full operating system update. The numerical designation indicates a specific iteration within the iOS 18 cycle, with “beta 2” signifying the second version made available for testing and feedback.
Such pre-release versions are critical in the software development lifecycle. They allow developers to ensure application compatibility and identify potential bugs or performance issues before the general public receives the update. This process contributes to a more stable and optimized experience for all users upon the official release. Historically, Apple has utilized beta programs extensively to refine its operating systems, addressing user feedback and addressing technical shortcomings discovered during the testing phase.