Sometime during the second quarter of 2019, Fannie Mae and Freddie Mac will begin issuing the new uniform MBS, a completely fungible security that will replace the separate to-be-announced MBS currently issued by the two government-sponsored entities. The Federal Housing Finance Agency announced the deployment date for Release 2 of the single-security initiative this week. The new implementation date was moved back from the previous estimate of some time in 2018. The delay was...