I use Jenkins coupled with TFS and I activated Changes display in my delivery pipeline. The text of every change set is correclty displayed, but changesets number are always null (see attached file).

Looking at Jenkins (\jenkins-master\core\src\main\java\hudson\scm\ChangeLogSet.java) and Plugin code (delivery-pipeline-plugin-master\src\main\java\se\diabol\jenkins\pipeline\domain\Change.java), it seems like the method getCommitId() return always null.