I thought that they were converting the cabins to DVC cabins.
Per WDWMagic it is "redeveloping the cabins":
The planned cabins are part of a collection of improvement projects underway at Disney's Fort Wilderness Resort & Campground, including proposed pool and walking trail enhancements as well as new expanded dining experiences at Trail's End Restaurant and Crockett's Tavern, with more news to come.
The Cabins at Disney's Fort Wilderness Resort – A Disney Vacation Club Resort is planned to open at Walt Disney World in 2024 Disney says that additional information regarding project details, the start of sales and rental bookings will be released at a later date.