Bluetrait 1 is currently supported as long as you are running the latest version (currently 1.2.6).
Bluetrait 1 will become End of Life 6-12 months after the full release of Bluetrait 2. More details will be posted here when they become available.
Bluetrait 2 is not currently supported as it is still in development, full support will be available once the final version has been released.
Bluetrait 2 is expected to be released in late 2008.