The Jakarta EE Standard Tag Library ReleaseNotes provide late-breaking information about the Jakarta EE Standard Tag Library TCK, Version 2.0
The Jakarta EE Standard Tag Library TCK 2.0 User's Guide (HTML, PDF) provides the information that you need to install, set up, and run the Jakarta EE Standard Tag Library TCK, Version 2.0. In addition, the guide also provides the rules with which you must comply to pass the Jakarta EE Standard Tag Library TCK.
The Javadoc Assertion List lists all the javadoc assertions that are indirectly tested by the Jakarta EE Standard Tag Library TCK.
The Specification Assertion List lists all the specification assertions that are tested by the Jakarta EE Standard Tag Library TCK.
The online version of the JT Harness version 5.0 documentation is available here.