I have Rectangle installed and the only feature I use is dragging a window to the left or right edge to use half the screen. I don't even know if that's from Re

I have Rectangle installed and the only feature I use is dragging a window to the left or right edge to use half the screen. I don't even know if that's from Rectangle or macOS. The other thing I do is double-click edges to expand to edge of screen, which I assume is macOS.