Starting with FortiOS 7.2.0, released FortiOS firmware images use tags to indicate the following maturity levels:

Administrators can use the tags to identify the maturity level of the current firmware in the GUI or CLI.

Administrators can view the maturity level of each firmware image that is available for upgrade on the Firmware & Registration page. When upgrading from mature firmware to feature firmware, a warning message is displayed.

Go to Dashboard > Status. The Firmware field in the System Information widget displays the version with build number and either (Mature) or (Feature).

The following is an example of firmware with the (Mature) tag:

The following is an example of firmware with the (Feature) tag:

Go to System > Firmware & Registration. The Firmware Version column displays the version with build number and either (Mature) or (Feature).

Select a device and click Upgrade. The FortiGate Upgrade pane is displayed.

Click the Latest tab to view the latest available firmware version with its maturity level.

Click the All Upgrades tab to view all available firmware versions and their maturity levels.

A gray box around the version number and the label Feature identifies feature firmware version. A green box around the version with the label Mature identifies a mature firmware version.

Select a version and click Confirm and Backup Config.

When the firmware version is a feature release, a warning is displayed; click Confirm Switch to Feature Maturity.

In this example, the Version field includes .F to indicate that the maturity level is feature:

In this example, the Version field includes .M to indicate that the maturity level is mature: