XR Game Engines Compared: Unity, Unreal, and Godot
Unity, Unreal, and Godot all target OpenXR, but they differ on visionOS support, licensing, renderer headroom, and iteration speed. How to choose for XR.
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Quest Pro Had Twice the RAM and Still Died First
Meta froze Quest 2 and Quest Pro at SDK v213 while Sony pulled PSVR 2. The XR feature floor follows unit sales, not the best hardware in the field.
VR's Exclusives Are Leaving the Store That Paid for Them
A Quest emulator running exclusives on any PC headset, Valve admitting Frame buyers mostly play flatscreen, and Schell's second layoff of 2026.
What Is OpenXR? The Cross-Platform XR API Explained
OpenXR is Khronos's open API between XR apps and headset runtimes. How the loader, extensions and action system work, and what the standard still leaves out.
XR Daily: OpenXR Makes Room for 3D Apps
OpenXR ratifies spatial containers for 3D app multitasking, a 29 KB JPEG XL encoder on WebGPU, Godot's XR jam winners, and China's XR playbook.
XR's Next Platform War Is Over the 3D Compositor
OpenXR standardized spatial windows, Meta caps apps at two slots, and Pico moved rendering into the OS core. The compositor is XR's next platform.
XR Daily: OpenXR Grows Windows
OpenXR ratifies spatial containers so apps share one space, PAYDAY ships a native Steam Frame build, and Plasticity 2026.2 adds Class A surfacing tools.
What Is Inside-Out Tracking in VR?
Inside-out tracking lets a VR headset find its own position and its controllers with onboard cameras and motion sensors, no base stations. How SLAM works.
What Is Android XR? Google's XR Platform Explained
Android XR is Google's platform for XR headsets and smart glasses, built with Samsung and Qualcomm. Here is what runs on it, who ships it, and how to build for it.