Just yesterday, Pwn20wnd updated the unc0ver jailbreak with support for @NedWilliamson’s Sock Puppet exploit, which brought official support for iOS versions 12.1.3-12.2. This afternoon, Pwn20wnd updated unc0ver again, bringing the tool up to version 3.3.0 beta 3.
Pwn20wnd announced the update via Twitter just this morning, noting that it incorporates several bug fixes: