The SDK Release Note provides information about known issues with the SDK and possible workarounds for those issues. You can find the release note in the SDK installation package and in the following directory after installing the SDK:
<S60_SDK_installation_directory>\S60doc\releasenotes.txt
For late-breaking information about the SDK, please see the Forum Nokia Wiki for SDKs at http://wiki.forum.nokia.com/index.php/Category:SDK.