U.S. Librarian of Congress rules that jailbreaking is exempt from prosecution for noninfringing purposes. Ruling does not force Apple or other handset makers to remove copy protection from their software. Jailbreaking has been commonplace since shortly after the original iPhone’s release, and despite repeated attempts by Apple to prevent it, the practice continues unabated. In theory, the exemption could legitimize the third parties who are already creating software that does not require Apple approval, which may open the door for established companies such as Mozilla to create software that Apple would otherwise not approve.”]
Source: https://www.csoonline.com/article/2125646/jailbreaking-officially-granted-dmca-exemption.html