RC6 is out, and mostly addresses IE issues with the new PROTO system and CKEditor. http://wiki.docmgr.org/index.php/Changelog
Install is complete - everything seems to be working - but the application just hangs when you try to create or upload. It just says "uploading file" and spins and spins. No error. Nothing in apache logs. Permissions and ownership have been checked. Maybe a little help on troubleshooting?