Exchange 2010 Service Pack 2 has been released to the web. It can be downloaded here.
A quick overview from the download website:
Microsoft Exchange Server 2010 SP2 helps IT Professionals achieve new levels of reliability with greater flexibility, enhanced user experiences, and increased protection for business communications.
- Flexible and reliable - Exchange Server 2010 SP2 gives you the flexibility to tailor your deployment based on your company's unique needs and a simplified way to keep e-mail continuously available for your users.
- Anywhere access - Exchange Server 2010 SP2 helps your users get more done by giving them the freedom to securely access all their communications - e-mail, voice mail, instant messaging, and more - from virtually any platform, Web browser, or device.
- Protection and compliance - Exchange Server 2010 SP2 delivers integrated information loss prevention, and compliance tools aimed at helping you simplify the process of protecting your company's communications and meeting regulatory requirements.