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.
#xr-development
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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.
XR Briefing: One Renderer, Four Targets, No Install
BenchUp ships a Rust and wgpu 3D modeler to Windows, macOS, Linux and a browser tab through WebAssembly and WebGPU, and XR authoring should copy the stack.
XR Briefing: 10M Splats at 9.2 ms in a Browser Tab
Radix sorts 10 million Gaussians on the GPU at 9.2 ms per frame in a browser, plus VRChat refusing an AI label and Ultrawings rebuilt for Quest 3.
XR Briefing: Aura Ships at $1,099, and Godot Runs On It
Xreal's Aura opens at $1,099 with 32 PPD optics and a Godot editor running on the device, days after Valve admits Frame buyers mostly play flat games.
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'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: Meta Puts Windows Around Android Apps
Meta's Layout and Gaze SDKs wrap spatial windows around 2D Android apps, Fallout: New Vegas gets path tracing, and VMAF v1 changes the bitrate math.
XR Daily: An OLED Steam Frame Hides in Valve's Kernel
Valve's kernel code leaks a 3,840-per-eye OLED Steam Frame, Godot 4.8 hits beta, XREAL ships 1,200-nit glasses, and Epic rebuilds Linux anti-cheat.
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.
XR Daily: visionOS 27 Opens the Tracking APIs
Apple ships visionOS 27 with high frame rate object tracking and an IR LED accessory framework, plus a hands-on tour of Quest Gaussian splat viewers.
XR Daily: Steam Frame's $1,059 Lottery Opens
Valve puts real prices on Steam Frame and closes reservations, Meta lines up Project Phoenix for Connect, and Snap ships anticipatory AI for Specs.
XR Daily: Steam Frame Gets Color Passthrough
A $149 add-on gives Steam Frame 6MP-per-eye color passthrough and tracked 3D capture, and Godot 4.8 dev 6 lands a multi-layer projection camera.
August 2026: The Roadmap Slipped, the Tools Got Cheaper
Apple cut Vision Pro staff, Pico pushed its flagship to Q4, Schell laid off for the first time in 24 years. The month XR's constraint became cost, not capability.
Godot 4.6.3: What a 'Boring' Maintenance Release Means for XR Developers
Godot 4.6.3 ships 86 fixes from 41 contributors, including thread-safety work, Xcode 26 export support, and 3D and editor crashes. Boring, and vital.
Gaussian Splatting, Three Years In: What Shipped, What Still Breaks
Khronos put splats inside glTF, SPZ 4 cut encode times again, and Quest 3 measurements show where the frame budget goes. A state of play for splats in XR.