# Welcome to the Jakarta XML Binding TCK, Version 4.0
Your Starting Point

## Guide to Jakarta XML Binding TCK 4.0 Documentation

The Jakarta XML Binding TCK 4.0 documentation includes the following:

- The Jakarta XML Binding TCK Release Notes provides the information on the test harness, the test suite and the platforms tested.
  - Updates to the Release Notes, if needed are available from the Jakarta XML Binding Specification Web Site https://jakarta.ee/specifications/xml-binding/4.0/
- The Jakarta XML Binding Technology Compatibility Kit, Version 4.0 User's Guide provides the information that you need to install, set up, and run the Jakarta XML Binding TCK, Version 4.0. In addition, the guide provides the rules you must comply with to pass the Jakarta XML Binding TCK.

## JT Harness Documentation

The online version of the JT Harness documentation is available here.