I am glad to announce that the OAuth Authentication 1.0 Draft 2 has been released a few minutes ago. It includes many small fixes to make it read better, and a few more significant changes such as RSA support and a new Security Considerations appendix. We also added easier navigation and section numbers to make it easier to use. We will be listening to your feedback over the next 5 days and release the final specification, or publish Draft 3 if needed.