Yesterday Office 2010 and SharePoint 2010 Service Pack 1 was released to the public. The SharePoint team blog has more detailed information about installing SP1.

SharePoint SP1 fixes over 250 specific issues listed here: http://bit.ly/SPSP1Fixes 

What’s New?

· Support for SQL Server Code Name “Denali”

This will enable you to run Denali on a SharePoint server.

· Shallow copy functionality

This enables you to move Site Collections between content databases using the PowerShell command Move-SPSite.

· Site-level recycle bin

You can recover entire Site Collections and Sites that has been deleted.

· Improvements to storage management (StorMan.aspx)

This enables users to manage the amount of storage they are consuming.

· Cascading filters for Performance Point services

This enables you to chain filters together by passing values.

· Additional browser support

IE9 and Google Chrome are now officially supported.