An update to the Windows Azure AppFabric SDK is now available for download. This SDK includes API libraries for building connected applications using Windows Azure AppFabric. This updated SDK introduces fixes to a few bugs related to the Caching service. Download the updated SDK here.
You can find more information about the bugs this SDK addresses here. If you are not experiencing any of these issues, you do not need to install this updated Windows Azure AppFabric SDK.
Note: This is the production environment SDK, not the SDK used to develop for the LABS/Previews environment.