Today IBM has released on fixcentral the new CR2 for IBM Connections 6.0 with a huge number of fixes included.
Here at this page you could read the complete fixlist, following this link to reach the download page for dbs update , here the download of CR2 from fixcentral.
There is not CCM/Filenet update . I recommend to check the Update Strategy that include some guide to drive admins safety through the upgrade.
IBM has published the usual PDF with detailed instructions: here the link .