Windows that tile themselves. Profiles a Focus can apply.
Spacetile tiles windows as they open, on the Desktops you already have. A Focus, a display or a shortcut brings your whole setup back. Full screen and Split View keep working. £20 (about $27), one-time, includes VAT. 14-day Trial with every feature on.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.