The CQTM version 2.1 package has the History and BuildTracking packages pre-applied. The Rational® ClearQuest® Test Manager package can be used with other Rational ClearQuest packages:
Provides an audit trail for changes to a record. For more information, see Rational ClearQuest Integrations Help.
Provides an integration with Microsoft Project. When using the Project Tracker package, you must apply the latest versions of both the AMBaseActivity and AMWorkActivitySchedule packages to each Rational ClearQuest Test Manager record type that you want to use to exchange information with Microsoft Project. For more information, see Using Project Tracker.
Provides an integration with Rational ClearQuest requirement records that can be associated with test plan, test case, or configured test case records. For more information, see the Rational RequisitePro® documentation.