Thanks. I've updated the documentation accordingly.
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
cmd. What may cause some differences. Can you try running 64-bit version of
sshcommand in the terminal, but I'm getting permission denied (publickey), if I try to use the same command via WinSCP.
cmd.exe /c start "" "%LOCALAPPDATA%\Microsoft\WindowsApps\wt.exe" ssh !U@!@ -p !#