On Wednesday, the Electra Team released an updated version of the iOS 11-centric Electra jailbreak tool. Version 1.2.0 adds official support for iOS 11.4 and 11.4.1, making it the first public jailbreak tool to officially support these firmware versions.
The Electra Team made the announcement via Twitter, noting that Electra 1.2.0 uses a newer exploit dubbed voucher_swap. This exploit is allegedly more reliable than the traditional multi_path or VFS exploits that users have been relying on for months: