UPDATE:

"When we unveiled Xbox Play Anywhere, we said that every new Microsoft Studios title shown at the Xbox E3 2016 Briefing will support Xbox Play Anywhere. We understand that a recent blog post didn’t specify that the only Microsoft Studios titles we’ve confirmed to date as Xbox Play Anywhere were shown at the E3 2016 Xbox briefing. We’ve updated the blog post and apologize for any confusion."

Microsoft offers this statement:

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Remember how Microsoft said that every game it publishes would now be cross-buy and cross-play across Xbox One and PC ? Well, about that...YouTube channel, The Red Dragon (via VideoGamer's David Scammell ) points out that Microsoft's statement - which originally read "every new title published from Microsoft Studios will support Xbox Play Anywhere" - has now been altered to read "every new title published from Microsoft Studioswill support Xbox Play Anywhere" (emphasis mine).Many had taken the original statement to mean that traditionally Xbox-only franchises like Halo would now come as a simultaneous release on PC, and while this is still possible, it's no longer certain.Xbox Play Anywhere - which not only means a release for Xbox games on Windows 10 PC, but supports play across both platforms for the price of a single purchase - was announced during Microsoft's E3 conference this year, and almost every in-house game shown off was included in the program.That set of games begins with ReCore's release in September, followed the likes of Sea of Thieves and Forza Horizon 3. We've compiled a full list of Xbox Play Anywhere games for your delectation.We've contacted Microsoft for comment.

Joe Skrebels is IGN's UK News Editor, and he's thrown a PC out of the window in protest. It wasn't his, don't worry. Follow him on Twitter