Latest Fortigate Firmware ⇒

Finally, the latest firmware is designed to squeeze maximum performance out of Fortinet’s custom chips. This ensures that enabling resource-heavy features like deep SSL inspection does not result in the performance bottlenecks common in software-defined firewalls. Conclusion

Fortinet transitioned the 7.6 branch to "Mature" status starting with version 7.6.5, making 7.6.6 the recommended choice for production environments seeking the latest features with high stability. : latest fortigate firmware