QtQuick3d scene freeze when deleting many nodes

Since updating to 6.5.1, I have a problem with deleting all nodes in a quick3d scene. Specifically, with a complex scene graph, when I delete the root node, the code freezes for a very long time, around 1 minutes  (this time increases with the size of the geometry). Before 6.5.1, this part was instantaneous.

If you do a setParentItem(nullptr) on the root node, the c++ function terminates fine but it's in the next event loop that it freezes.
I didn't see anything special in the changelog, are there any changes to be made?

I tested on a MacBook Os Ventura.

Idem also with current dev version.