Increased support for managing, tracking, searching and documenting business justification rules in IOS
Extended rule/object change analytics, now including IOS
Enhanced change modeling capabilities for predicting the impact of rule/object changes on security and traffic flow, now including IOS
You can view the full set of release notes, including problems fixed here.
Note about upgrade to FSM 6.5: The Release Notes referenced above, contain important information about upgrades from your current version of FirePAC or FSM, to FSM v6.5 We recommend that users spend a few minutes reviewing them, especially if you plan to perform an upgrade from FirePAC deployed in Standalone mode, to FSM v6.5.