In March 1991, the NT team hit a new milestone: Dog food came to the NT build lab. So not only were NT team members and a select small group elsewhere in Microsoft running on NT, the build lab was too. Microsoft was using NT to build NT.
Elsewhere, confusion reigned. NT architect Dave Cutler wanted to ship a lean, mean version of the product first and add new features later. But Bob Muglia wanted to NT to change the industry, to include new features big and small that would make the product better. Cutler referred to Muglia’s feature requests as “an endless list of shit.”