Jiglu 12.1 is now publicly available - Jiglu 12.0 was only released to direct customers. You can read more about the new features of Jiglu 12 at https://blog.jiglu.com/posts/smarter-collaboration-in-jiglu-12.
Full release notes can be found at https://support.jiglu.com/spaces/announce/knowledge/.
Installation help can be found at https://support.jiglu.com/spaces/installation/.