Update Rollup 5 for Exchange 2010 Service Pack 3 is now available for direct download. It contains a total of 13 documented fixes.
Notable fixes are:
- KB2913999 Meeting request body and instructions are lost in delegate’s auto-forwarded meeting request
- KB2924971 RPC Client Access service stops when you select an inactive search folder in Outlook 2007 in an Exchange Server 2010 SP3 environment
- KB2892257 Email items are lost when you move items between shared folders by using EWS delegate access
View: Description of Update Rollup 5 for Exchange Server 2010 Service Pack 3
Download: Update Rollup 5 For Exchange 2010 SP3 (KB2917508)