Post Windows 8 RTM Build list

Windows 9 Public Preview (3 June 2013)
Windows 9 Beta (7 January 2014)
Windows 9 Release Candidate (July 2014)
Build 2014: Windows 9 RTM (October 2014)
November 2014: Windows Release 9

Current Build Status: Milestone 1

Windows 8
6.2.9200.16384.WIN8_RTM.120725-1247
6.2.9201 (Service pack 1 in the works)

Post Windows 8 (Service pack build jump)
6.2.9220.winmain.12xxxx
6.2.9278.winmain.12xxxx
6.2.9289.winmain.12xxxx

Milestone 1
6.3.9300.winmain_bluem1.1301xx
6.3.9304.winmain_bluem1.1301xx
6.3.9314.winmain_bluem1.13012x
6.3.9319.x86fre.fbl_eeap.130208-1820
6.3.9347.winmain_bluem1.130220-1504
6.3.9364.FBL_PARTNER_OUT13.130315-2105_X86FRE_CLIENT
6.3.9369.amd64fre.fbl_partner_out14.130324-1300
6.3.9374.FBL.130326-1800
6.3.9375.FBL_partner_out14.130328-1742_X86FRE_CLIENT

Source

But seems that its not accurate, according to Smorgan@MDL.

Original post by Smorgan@Betaarchive.