Halo Wars available to Xbox One preview members via Backwards Compatibility

Is it going to be available to everyone in the next update?

After sending out emails teasing the release of Call of Duty: Black Ops, Halo Wars and the BioShock trilogy via backwards compatibility on the Xbox One, Microsoft has made Halo Wars available to preview program members.

According to Microsoft's Larry Hryb, Halo Wars is available in 'Preview' to Preview Members on the Xbox One.

Whether BioShock and Black Ops will join Halo Wars in the preview program is unknown, however Larry Hryb has commented on the previous email being 'inaccurate' and that he had recieved the same email. Hryb is 'tracking down' why the email was sent.