Description This article describes and clarifies the behavior of the
logical and operator when combining ZTNA Security Tags with Security Tag
Groups. Scope ZTNA, Explicit-Proxy, proxy-policy. Solution FortiOS
introduces a logical 'and' operator for S...
The release notes also contained an link to an KB which had further
information regarding the change.
https://community.fortinet.com/t5/FortiGate/Technical-Tip-IP-pool-and-virtual-IP-behavior-changes-in-FortiOS/ta-p/277823
"However, as a side-effect,...