Fannie Mae, the country’s largest source of mortgage funds recently announced that it will ease its debt-to-income (DTI) requirements. As of July 29th the DTI ceiling will increase from the current 45 percent to 50 percent. In addition, this Spring, Fannie Mae announced changes that will make it easier for buyers and homeowners with significant student debt to purchase their first home or do a cash-out refinance to retire those student loans.