It would be helpful to have a `--version` parameter for the command printing the current version of the binary and of the versions of the most important dependencies if that makes sense. experienced with V_7_1_P1-171-g4c6cb83
double-dash options are a GNU extension not part of POSIX. There's already an option in ssh(1): $ ssh -V OpenSSH_7.1, LibreSSL 2.3.2
Could it be added to `ssh --help` although not being essential?
Close all resolved bugs after 7.3p1 release