Fish 4.0.6 is out as the newest update to this shell that with Fish 4.0 was rewritten in Rust from C++ .

Fish 4.0.6 replaces Fish 4.0.2 that was released back in April. Fish 4.0.6 running under Windows Subsystem for Linux (WSL2) will now properly inherit the $PATH, remote file-systems are now detected properly on non-Linux systems, key binding changes, and a wide variety of different bug fixes and other enhancements.

Downloads and more details on the just-released Fish 4.0.6 shell release via GitHub .