Horizon OS v2.9 Puts Your Windows in the Room and a Window Manager in Quick Settings

Open three apps on a Quest today and they line up in a fixed row. Open them in Horizon OS v2.9 and they stay where you put them in the room. Meta's own release notes say windows now launch spatially, "making it easier to drag and position your apps." That one sentence changes your daily habits more than anything in the last two releases.

First, the honest part: you probably do not have it yet. v2.9 went to the Public Test Channel the week of September 28, which is the date Meta's notes give. The PTC is the opt-in beta track. Your headset pulls pre-release builds instead of stable ones, and Meta says these features "will gradually roll out to people who are enrolled in the Public Test Channel." The last general release was v2.7. Nothing here has a stable date.

Testers have had more than a week in it, so there is a little more to go on than a changelog.

The Window Manager

Quick Settings now holds a Window Manager, a list of every window you have open. Meta's notes say you can put three windows next to one another or stack them, and that you cycle a stack "by clicking the top portion of each window." Each window's Control Bar also gets a dedicated grab handle, with buttons on either side for advanced options and close. UploadVR's time in the build fills in what the notes skip. Windows group when you drag their edges together, or stack into a deck you flip through, and the Window Manager can pull one forward or close them, one at a time or all at once.

Two things left. The dock is gone. So is the standalone Anchor option, which is how you used to pin a window to a wall. Magnetism took that job over. It landed in v2.1, it works without being asked, and Meta says windows "now attach to surfaces more reliably" in this build.

If you ship a 2D panel app, sit with that for a second. Your window used to open into a tray the user managed. Now it opens into a room the user arranges, beside other apps, and the system picks the first position. Two weeks ago Meta told you to keep UI away from the edges of a narrower field of view. Now the OS is also deciding where your panel first lands.

Desert Terrace and Space Station are back

Now the fun one. The Home Editor has a new Classic Environments submenu. You reach it with the menu button on your left controller, or a palm-facing pinch with your left hand. Inside sit two homes people have been asking Meta about since it pulled them last year. Desert Terrace was Quest 2's default. Space Station was the fourth environment released for the original Quest, back in April 2020.

These are not the old files dropped back in. Both have reportedly been rebuilt on Horizon Engine, the runtime Meta's current environments use. Both support free locomotion the way Loft does. You walk through them instead of standing on a fixed spot. UploadVR credits the dataminer Nori with finding further environments in active development channels, so this looks like a first batch.

The smaller changes you will hit sooner

Quest 3 and 3S get a QR code scanner, from the Camera Bar inside the Camera app or as a Quick Controls tile. Know its limit first. UploadVR's testing found it runs as an immersive app, so it will not sit alongside your 2D windows in passthrough, and it cannot read a code displayed inside another app. For now it scans the physical world only.

Lying Down Mode graduated out of Experimental into Accessibility, then Mobility. A new optional toggle stops the headset switching itself to hand tracking while you are in Gamepad Mode, the v2.7 feature that turns Touch controllers into an Xbox-style pad. Neither is in Meta's notes. UploadVR found both. Interrupted Boundary setup now falls back to your previous Boundary or a Stationary one, and Global Search can find and change device settings with no network at all.

One more, and you cannot reach it yet. UploadVR reports that strings and assets in the v2.9 PTC describe a media environment called Cinema that displays as Theater Home. The dataminer and security researcher ToastConcern got hold of an alpha build of it, and UploadVR ran that build on a Quest 3S. A "Theater" button in a window's Control Bar appears to drop you into it and return you home on exit. A related string, Dynamic Ambience, describes a rendered halo of light around focused panels. Meta has announced none of it. Treat it as a direction.

The release matters less for any one feature than for which layer Meta is working on. Navigator reached every Quest headset in June as the system shell. v2.9 is where the window layer beneath it stops behaving like a phone's app switcher and starts behaving like a desktop. That is a bigger adjustment for the people building panels than for the people opening them.