Are you planning to deploy this build on a node or a standard Ubuntu KVM setup?
This indicates the FortiGate Virtual Machine 64-bit architecture. fgtvm64kvmv721fbuild1254fortinetoutkvmqcow2 exclusive
The term "exclusive" in this context usually refers to a specific, stable point-in-time release that engineers prefer for lab environments or specific production stability requirements. Build 1254 was a milestone in the 7.2.x series, often cited for resolving early-branch bugs found in 7.2.0. Key Features of FortiOS 7.2.1 (Build 1254) Are you planning to deploy this build on
The specific compilation number. In the world of FortiOS, the build number is the ultimate source of truth for stability and bug fixes. Build 1254 was a milestone in the 7
The hypervisor designation. This image is built specifically for QEMU/KVM environments (common in Proxmox, Ubuntu KVM, or GNS3).
Improved automation for steering traffic across multiple internet links.