Apple posts developer seed for 10.6.5 10H571 It looks like there might have been some last minute issues with 10H568. Share This Apple expands OS X Mavericks testing to Retail, iOS 7 to Cupertino locals for feedback Video hands-on: iTunes Radio, Mavericks display integration for Apple TV Leave a Reply Click here to cancel reply. Name (required) Mail (will not be published) (required) Website Notify me of follow-up comments via email. Notify me of new posts via email.