The update was announced by @Pwn20wnd on Twitter...
unc0ver v6.2.0 is NOW OUT with major stability and reliability improvements to iOS 14 support.
The unc0ver jailbreak works for all devices running iOS 14.0 - iOS 14.3, including the iPhone 12. You can find instructions on how to jailbreak your device here:
● How Jailbreak Your iPhone on iOS 14.3 Using Unc0ver (Windows)
● How Jailbreak Your iPhone on iOS 14.3 Using Unc0ver (Mac)
Please download the iClarified app or follow iClarified on Twitter, Facebook, YouTube, and RSS for updates.