This is the first version of the V4.0 "development" branch.
V4.0 will include a number of features as described in the roadmap.
These features require updates in the underlying OpenACS and AOLserver infrastructure, requiring us to create a "major relase" indicating that an upgrade from V3.5 will not be possible automatically.
Compared with V18.104.22.168.1:
The new version is available on http://sourceforge.net/projects/project-open/files/project-open/V4.0 with the name .
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.