The phrase points to resources, tools, and documentation specifically tailored for software engineers building applications for Apple’s forthcoming mobile operating system. It encompasses the beta versions of the operating system, software development kits (SDKs), application programming interfaces (APIs), and related materials released prior to the general public launch. A programmer utilizing this would, for example, download the latest SDK to begin adapting an existing app to function correctly with the new OS or leverage new features.
Early access and familiarity provide a significant competitive advantage. Adapting software ahead of the broader market ensures app compatibility and allows for the exploitation of novel features from day one. Historically, this early adoption has allowed developers to establish themselves as leaders in utilizing new capabilities, gaining user attention and market share. Furthermore, bug identification and reporting contribute to a more stable and polished final release for all users.