Steps to reproduce:
Drag out a tab from a window with multiple tabs. Compatibility mode on works the same way, Safari does not.
Dragged out window would open where the tab was dropped
Orion, OS version; hardware type:
Orion Version 0.99.122-beta (WebKit 6184.108.40.206)
OS: Ventura 13.2
Hardware: 14-inch M1 Pro Base Model 16/512
First picture is what I did (dragging the tab out), second is what I expected to happen (window opens on that side), third is what actually happened (new window pops out over the original one)