We're currently using 7.9p1, but we should now be able to upgrade to 8.0p1 which is the latest version right now. See release notes here: https://www.openssh.com/txt/release-8.0
Verified that the client worked on Fedora 30, Windows 10 and macOS 10.14: - Password authentication ✓ - Kerberos authentication ✓ - Smart Card authentication ✓ - Local devices tunneling works ✓ - Compatible with old server ✓ (*) (*) Tested against RHEL 6 server