IBM published new informations about new features of IBM Connections 4.5.1.
An abstract about new features:
IBM Connections Suite is now further enhanced by adding IBM Sametime® Complete V9.0 and IBM Connections V4.5 Interim Feature Release 1 (IFR 1)
IBM Connections V4.5 IFR 1 includes entitlement to IBM Forms Experience Builder V8.5 so you can use Community Surveys feature
Take a look on the full version here