While newer versions like FortiOS 7.6.6 exist, they are often not recommended for the 60E due to its 2GB RAM limitation. These newer versions have begun phasing out proxy-related features and Security Fabric topologies on lower-memory models to preserve performance.
is officially cited as the stable choice for this model to balance performance and security. Alternative Stable (Legacy): Many administrators still use the 7.2.x branch latest firmware for fortigate 60e
After extensive beta cycles and community feedback, the current is: While newer versions like FortiOS 7
Product Life Cycle Information on Fortine... - Fortinet Community latest firmware for fortigate 60e