She's preparing for the EVENTUAL release (FHFA and UST have to keep up the facade that the 15 year and counting CONservatorships are 'temporary') but as she explains more than once when asked about the release, she says she is "Waiting for the US Congress to decide the future of the Housing Finance Market."
UST uses the same line, Mnuchin and MC said the same thing. So did Watt and Demarco.
Page 97, UST 2022 Report: "The purpose of such actions is to maintain the solvency of the GSEs so they can continue to fulfill their vital roles in the mortgage market while the Administration and Congress determine what structural changes should be made to the housing finance system"
The Boss Lady from FHFA says it here in her testimony to Congress in May 2023: