Although overall MBS volume was down, lenders delivered a healthy $115.16 billion of purchase-money mortgages to the GSEs during the third quarter.

The new remedies framework includes more transparency about the factors a GSE will weigh in determining whether a defect is significant.

The flow of FHA purchase mortgages jumped 37.7 percent from the second to the third quarter, and VA purchase mortgages rose 37.9 percent over the same period.

On a year-to-date basis, total MBS and ABS issuance was up 37.7 percent from the first nine months of 2014.

Another noticeable shift from 2013 to last year was the further deconsolidation of originators...

Last year, loan production turned out better than many anticipated...

Through the first half of 2015, banks and thrifts sold $364.35 billion of home loans, up 37.8 percent from the same period last year.

With mortgage debt outstanding climbing by 0.4 percent during 2Q, the share of securitized loans fell to 64 percent at June 30, the lowest level since 2012.

Feeding the MSR growth: credit unions, which increased their holdings of un-securitized home mortgages by 8.2 percent over that period...

One standout: FHA, where jumbo production soared in the second quarter, more than doubling to $6.8 billion.