Big news on the jailbreaking front, as Apple has stopped signing iOS 8.4 firmware. This means updating (or downgrading) to iOS 8.4 is no longer possible. Jailbroken users on earlier firmware versions are stuck at the moment, as updating to iOS 8.4.1 results in a stock device with no public option to jailbreak. Those running iOS 8.4 can still jailbreak at any time using TaiG 2.
The last chance to jailbreak iOS 8.4 with Apple Music is here. It could be only a matter of hours or days until Apple stops signing the iOS 8.4 firmware, which will mean an end to iOS 8.4 updates. It's official: the replacement iOS 8.4.1 closes several security vulnerabilities, making a jailbreak with TaiG 2 impossible. Act now if you wish to jailbreak, and your device is not updated to iOS 8.4. Here are instructions on how to update to iOS 8.4 and jailbreak:
Apple today has released iOS 8.4.1 to address complaints aimed at its new music streaming service. Apple Music users and critics have complained about missing songs in their Music library and other bugs that have affected services such as iCloud Music. Apple blogger Jim Dalrymple's article titled, Apple Music is a nightmare and I’m done with it, gained the most attention after he complained about not being able to properly download full albums.
Normally unjailbreaking an iPhone requires updating to the latest stock version of iOS. In cases where the new version of iOS cannot be jailbroken, this restricts options for users looking to reset their devices without an update. Thanks to @saurik iOS 8.3 and iOS 8.4 can be unjailbroken without updating the firmware with the tool Cydia Impactor. Once installed, this tool makes it possible to return the current iOS version to stock iOS by directly removing the jailbreak from the device.
Despite the TaiG team warning against plagiarism at 25PP, a new Mac version of the PP Jailbreak tool has been released. For OS X users who want to jailbreak iOS 8.4 immediately PP 2 makes this possible without having to use a virtual machine. Undoubtedly the TaiG team is working on their own Mac jailbreak solution for iOS 8.4 for those who prefer to wait. In the meantime, PP 2 has already been used to successfully jailbreak devices running iOS 8.1.3 through iOS 8.4 on Mac computers. Once the iPhone, iPad or iPod touch is properly set up the jailbreak process takes place with two clicks.