Information about changes in CollabNet software, such as new features, fixes and late-breaking updates, is communicated in the form of release notes.
For any CollabNet product, you can find release notes in two places on this site:
For example, the release notes for CollabNet TeamForge 5.2 can be found in the "Release notes" section of the TeamForge 5.2 User guide.
For example, the release notes for CollabNet TeamForge 5.2 can also be found in the "TeamForge 5.2" section of the CollabNet Release Notes collection.