Apple has released the macOS Tahoe 26.1 Release Candidate to developers. The update includes bug fixes and a new 'Tinted' option for the Liquid Glass interface.
Apple has announced the discovery of another FaceTime bug, this one affecting Live Photos. The bug has been fixed in iOS 12.1.4 and the feature is now disabled for earlier firmware versions.
Instructions on how to jailbreak and unlock your iPhone 3G on the iOS 4.2.1 firmware using RedSn0w for Mac. This tutorial can update your baseband if needed for unlock.