Why macOS never had a tiling window manager
Overlapping windows have been the Mac's model from the start. Why that stuck, what Apple added over the years, and how window apps work around it.
The Mac has always used overlapping windows: you place each window and it stays where you put it. Apple has added helpers over the years, but never replaced that model with automatic tiling.
What Apple added
| macOS | Added |
|---|---|
| Mac OS X Leopard (10.5) | Spaces |
| Mac OS X Lion (10.7) | Mission Control, full screen apps |
| OS X El Capitan (10.11) | Split View |
| macOS Ventura (13) | Stage Manager |
| macOS Sequoia (15) | Tiling to halves and quarters by dragging and shortcuts |
How window apps work around it
Third party window managers on macOS do not replace the system's window manager. They ask macOS to move and resize other apps' windows through the Accessibility permission, which is why every one of them asks for it. See why window managers ask for Accessibility.
Floating, but arranged
That design means a Mac window manager can be gentle: Pause it, and every window is back where it was. ClutterFreeMac does exactly that: ⌃ ⌥ P, or quitting, gives every window back its old place.
Questions
Does macOS have tiling now?
Since macOS Sequoia, you can tile a window to halves and quarters. It does not arrange windows automatically.
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