Update Rollup 3 for Exchange 2010 Service Pack 3 is now available for direct download. It contains a total of 24 documented fixes.
The most notable fix is that Internet Explorer 11 no longer loads OWA Light instead of OWA Premium.
Additional notable fixes are:
- KB2840454 “The rules on this computer do not match the rules on Microsoft Exchange” error when you manage rules by using Outlook 2013 in an Exchange Server 2010 environment
- KB2879736 Office 365 users cannot retrieve an on-premises user’s free/busy data in an Exchange Server 2010-based hybrid deployment
- KB2899146 You cannot drag email messages to other folders by using Outlook Web App in an Exchange Server 2010 environment
View: Description of Update Rollup 3 for Exchange Server 2010 Service Pack 3
Download: Update Rollup 3 For Exchange 2010 SP3 (KB2891587)