Microsoft merged the teams working on Neptune with that of Windows Odyssey, Windows 2000's successor, in early 2000. The resulting project, codenamed "Whistler", went on to become Windows XP.
Microsoft combined the teams working on Neptune with those responsible for Windows Odyssey, which was intended to be the successor to Windows 2000, in early 2000. The resulting project, known as "Whistler", evolved into Windows XP.