Updates to the NYU 2031 plan phasing schedule can be viewed at the NYU Open House Space which is located at 528 LaGuardia Place. The Open House Space is open on Mon, Wed, Fri - Noon to 5 PM; Tues, Thurs - 2 PM to 7 PM; and Sat, Sun: 1 PM to 4 PM. The phasing diagrams are also available online here.
NYU 2031 phasing diagrams (courtesy of NYU 2031, source)
You can also find the university's responses to Community Board (CB) 2 questions about 2031 at NYU 2031 Resources.