Just noticed this on fully updated VBox system:
# dnf check
kdnssd-5.52.0-1.x86_64 is obsoleted by kdnssd-5.52.0-1.x86_64
rfkill-2.33-1.x86_64 is obsoleted by rfkill-2.33-1.x86_64
Error: Check discovered 2 problem(s)
Packages that obsolete themselves might result in an issue or two.