Just get Rectangle.

https://rectangleapp.com

https://www.tomsguide.com/how-to/use-this-awesome-trick-to-g...

Huh, they have! For the last two years!

https://www.macrumors.com/2024/06/12/macos-sequoia-window-ti...

You're right, but it's nowhere near as polished or powerful as W11's window management. You can get there with Rectangle or Raycast though.