I just checked the weekly update for any info on the eligibility to upgrade from Xbox 360 to Xbox One without any extra cost and it appears that the upgrade program does NOT apply to "The Taken King" DLC. So, we will need to buy 2 versions if we want to play on last gen and current gen consoles. Here is the link: [url=https://www.bungie.net/en/Help/Troubleshoot?oid=13347][/url] I'm upset by this... I don't understand why they couldn't allow it.