Yesterday Microsoft released a new build for PC to Windows Insiders in Fast Ring of Microsoft. The current build in Fast ring for PC is 11002 which is released just yesterday. Now Microsoft already has builds in their internal rings.The latest build 11002 which was released just yesterday is having most OneCore features completed in it.
@socialwill Most of that work is complete at this point. Still mostly working on platform changes, so expect little new UX in new few builds
— Gabriel Aul (@GabeAul) January 21, 2016
In the above tweet reply from SVP of Windows Insider, Mr. Gabriel Aul, it is clear that most of the work related to OneCore is complete & company is now working on UX of the system. Gabe also stated that we can expect new UX in the upcoming few builds.
@win10fan @callum90ish You're in the new Fast ring – I'm only 4 builds ahead of you now.
— Gabriel Aul (@GabeAul) January 22, 2016
As for as current build in Microsoft’s internal ring is concerned it is 4 builds ahead of us. The current build in the Fast ring of Windows  Insider is 11002. So it is clear that Microsoft is having 11006 in their internal ring.
When a user from Twitter(Win 10 Fan) asked him about Surface Book 2 with Windows 10 build 207050 , he replied about the actual build in Microsoft’s internal ring to be 4 ahead of us.
