Analysis of information sources in references of the Wikipedia article "List of Microsoft Windows versions" in English language version.
Knowing that Neptune is 5.50, it's only logical to conclude Odyssey was to be 6.0
Microsoft Corp. has announced the official name for its upcoming operating system, previously known under the code name Longhorn. The operating system, now due out in 2006, will be called Windows Vista
One of the worst kept secrets rattling around Microsoft's campus is Windows Blue, the forthcoming update to Windows 8 that addresses users' bugbears about the OS. Now, Microsoft is officially rechristening the platform, and with a more staid name: Windows 8.1.
The code name for Windows 7 was… Windows 7.
Windows 10 feature2 ended up being version 1709, and it was the final feature update for Windows 10 Mobile.
Checking reports against each other provides the grounds to assume Microsoft kept working on Photon till September 2008.
Microsoft had originally planned to ship CShell on Windows 10 Mobile under the codename Pheonix [sic], but that plan very quickly went away once the company decided to wind down its existing phone efforts in early 2017.
Windows 11 version 21H2 (shipping on October 5)=Cobalt (Co).
The new IE 6 bits were released on November 11 as part of the Windows Mobile 6.1.4 release from Microsoft's Download Center Web site.