Nushell. Still a terminal experience. But not a POSIX one. https://www.nushell.sh/
Colorful outputs and elaborately decorated error messages are cool but maybe it shouldn't deviate that far from POSIX shells.
$ trap '' chld $ nu -c test Error: nu::shell::io::uncategorized_error × I/O error ╰─▶ × failed to get exit code ╭─[source:1:1] 1 │ test · ──┬─ · ╰── Uncategorized error ╰──── $
Colorful outputs and elaborately decorated error messages are cool but maybe it shouldn't deviate that far from POSIX shells.