It’s not possible to change the order from elements (for example rectangles) via dragging.
Even in the layer inspector its not possible to change the order correctly. It’s only possible to trag an element out the “group” or to first position.
Modellname: MacBook Pro
Chip: Apple M1 Pro
and welcome to our discussions! You are right: currently it is not possible to drag elements on the canvas (only if the container has free-layout). But it works in the screen inspector. Sometimes it is a little bit fiddly to find the right position. Here for example you have to move the mouse fairly to the left to see the insert-marker: