【Longhorn】 Windows Code Name Longhorn 九頭目

Here's the new schedule.

Longhorn Beta 1 code complete
March 16, 2005

Longhorn Beta 1 internal release and domain rollout
April 2005

Longhorn Beta 2 (and product) code complete
July 1, 2005

Longhorn Beta 2 internal release
Q3 2005

Longhorn Beta 2 public release
September 2005 (PDC 2005)

Longhorn Release Candidate 0 (RC0) internal release
Q4 2005

Longhorn Release Candidate 1 (RC1) internal release
March 2006

Longhorn release to manufacturing (RTM)
May 2006