IBM finally released CR2 for IBM Connections 4.5
You find more details and download links here .
One fix is the hard coded wikis toc strings. Will test it.
You have to update FNCS to 188.8.131.52-FNCS-IF001 . Document contains a short description of the update procedure (Do not forget to read the whole document! Backup the files, because you have to restore them later).
Cognos and Metrics Database needs some changes .