Implementation of the new AMI limits took place this week in Loan Product Advisor and will take place next week in Desktop Underwriter.

The only lender type that saw an increase in GSE-related production in the first quarter was housing finance agencies. Meanwhile, deliveries to the GSEs ticked up in April. (Includes two data charts.)

Fannie and Freddie modified their policies to support lower-income borrowers by allowing greater use of downpayment assistance and equity-sharing programs.

Nineteen of the top-100 GSE sellers saw quarterly volumes fall more than 80% year over year. United Wholesale Mortgage, however, managed to boost its deliveries. (Includes two data charts.)

Updates to the guide go into effect in June and July.

The mortgage giant has introduced new valuation options as it moves away from the policy that “appraisal is a default requirement.”

Deciding whether the GSEs should use FICO or VantageScore or both turned out to be the easy part. The hard part is going to be the multiyear process of figuring out how to use the scores together.

Fannie Mae put money away for a rainy day; Freddie Mac postponed its fourth-quarter earnings report.

Critics argue that, by targeting deep-pocket institutional buyers, the enterprises’ sale of non-performing and reperforming loans removes homes from the buyers’ market and makes it impossible for nonprofit organizations to participate meaningfully.

In January, lenders delivered 73.1% fewer mortgages to the GSEs than a year ago, but the month-over-month drop was just 4.5% from December. (Includes two data charts.)