Xbox One Preview Program members are currently testing 60fps Game DVR - report
Xbox One Preview Program members have reported a DVR update allowing for 60fps game capture is now in testing.
News of the feature was posted on the Xbox One subreddit via Gamespot.
Microsoft hasn't announced the ability to capture 60fps gameplay as part of the May update, but we should know something soon.
It was reported earlier in the week that the ability to DVR TV programs would be added to the Xbox One consoles at some point this year. Microsoft has yet to confirm either feature.