If your window tilling not working, here are a few solutions to resolve the window tiling issue on macOS Sequoia:
- Restart your Mac.
- Check and adjust System Settings in Desktop & Dock.
- Disable or uninstall some third-party window management tools.
- Rebuild the macOS user interface. Finder > Applications > Utilities > Terminal, type killall Dock and press the Enter key.
Gook luck to you.