A pre-release version of the operating system for Apple’s mobile devices, including iPhones and iPads, allows developers and interested users to test upcoming features and changes before their public release. This software typically includes new functionalities, interface tweaks, and performance improvements that are intended for widespread distribution at a later date. For example, a user might install this version to experience the redesigned Control Center or to evaluate compatibility with newly developed applications.
This practice serves a critical role in the software development lifecycle. It provides invaluable feedback that aids in identifying and resolving bugs, optimizing performance, and refining user experience before the final product is launched to the general public. Historically, this process has significantly improved the stability and reliability of the final operating system, minimizing potential disruptions and enhancing overall user satisfaction. The information gleaned from testers often leads to crucial adjustments and improvements that would not be possible through internal testing alone.