Byteman 2.2.1 has been released and is available from the Maven Central repository and the Byteman project downloads page page.
This is a maintenance release which fixes a few small bugs and also includes patches required to ensure that Byteman and BMUnit are able to run on the latest early access release of JDK9.
This release also includes new improved versions of the Byteman tutorials:
Byteman : Running from the Command Line
BMUNit : Using Byteman with JUnit or TestNG from maven or ant
Advanced Fault Injection with Byteman
Using the Byteman Rulecheck Maven Plugin
All four tutorials and other documentation are linked from the Byteman project documentation page.