It seems like the calm before the storm as we continue waiting for a public iOS 12 jailbreak with Cydia and Cydia Substrate support to surface, but rest assured, hacker and unc0ver lead developer Pwn20wnd is on it.
In various subtle updates provided just this week, Pwn20wnd updated his Twitter Bio to say “Jailbroke iOS 11 and iOS 12” and updated his Twitter profile name to say “Pwn20wnd is preparing unc0ver for iOS 12…” seemingly to tease that the iOS 12 jailbreak is nearly complete: