So, the D23 panel seemed to announce -- albeit in "Blue Sky" form -- an expansion located "beyond" (their word) Big Thunder Mountain, which would (potentially) include Coco, Encanto, and "villains" areas.
With the major caveat that the Liberty Belle not get permanently docked, this is by far the most interesting and potentially exciting thing that was discussed at the panel. A big expansion with multiple new attractions that are not replacements would be great.
But they took pains to repeatedly say that this is in the very early stages.
Also...
Disney Parks Chairman Josh D'Amaro has just shared that the Hatbox Ghost will come to The Haunted Mansion at Magic Kingdom in 2023
blogmickey.com