The updates were part of Wynn’s first status report to state regulators since besting Mohegan Sun for the lucrative Boston-area casino license last month.
The Massachusetts Gaming Commission in its decision asked Wynn to make changes to its 27-story glass hotel tower.
Wynn plans to redevelop the 30-acre former Monsanto Chemical Co.site along the Mystic River across from Boston. Two other companies hold state gambling licenses: MGM Resorts and Penn National Gaming.