Understanding FortiOS 7.2.1 for KVM: Deployment and Features of Build 1254
FortiOS 7.2 has a native Dark Mode. Once you log into the GUI, look at the bottom left corner or the user profile menu. It saves your eyes during late-night firewall tuning sessions. fgt-vm64-kvm-v7.2.1.f-build1254-fortinet.out.kvm.qcow2
The filename contains structured version information: Understanding FortiOS 7