The pre-release phase of Apple’s mobile operating system, conducted before a public release, involves distributing preliminary versions of the software to a select group of users. This trial period allows developers and a controlled user base to interact with the new operating system, identifying bugs, stability issues, and compatibility concerns that might not be apparent during internal testing. An example would be Apple releasing an early version of iOS 17 to registered developers prior to its general availability, enabling them to optimize their apps for the new features and functionalities.
This practice holds significant value in software development. Early identification and resolution of issues lead to a more stable and polished final product. Furthermore, it enables developers to adapt their applications to the changes in the operating system before the general public encounters them, improving overall user experience upon release. This approach has become a standard practice in software development, with its roots in early software development methodologies emphasizing iterative testing and user feedback.