Most features planned for 4.0 are in, including:
- Form Builder
- nested sections
- live XBL components
- improved and more responsive editor
- custom XML (PE only)
- Form Runner
- improved Liferay support (PE only)
- Tons of bug-fixes and improvements!
What's not in it?
grab a trial license for the PE version.
Also check the release notes for 4.0, which are a work in progress.
Please send feedback preferably to the ops-users list or via twitter (if short!), or feel free to comment on this blog entry if appropriate.