This version is a bug fix version of V18.104.22.168.7.
V22.214.171.124.7 introduced several new features including:
The version is currently available im CVS HEAD. Once it is released it will be available on SourceForge . This "update installer" contains a README with details on how to install. Basically, the update installer contains a /packages/ folder which you have to copy to your ]po[ system.