In IBM Endpoint Manager, supersedence is a property of Fixlets that provides multiple packages. In Launchpad, the host website for applications such as Ubuntu, supersedence is a property of every package.
Superseded Fixlets are Fixlets that contain outdated packages. If a Fixlet is superseded, a newer Fixlet exists with newer versions of the packages. You can find the new Fixlet ID in the description of the superseded Fixlet.
Supersedence as defined by Tivoli Endpoint Manager and Launchpad
IBM Endpoint Manager for Patch Management and Launchpad use the term supersedence differently. A package with superseded status on the Launchpad website does not mean the same as when a fixlet is described as superseded in Endpoint Manager.
In Launchpad terminology, supersedence is a property of every package. For Endpoint Manager for Patch Management, supersedence is a property of Fixlets that provides multiple packages. When a Fixlet is superseded, it means that there is an existing, newer, and more advanced Fixlet with the same set of packages.