Meta XR Simulator (Windows)

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Updated: Jul 23, 2026|
Version
205.0
Meta XR Simulator is a lightweight OpenXR runtime built for developers and enables you to simulate Meta VR devices and features on the OpenXR API level.

Version 205.0 Release Notes

Overview

Version 205 is the first public release of Meta XR Simulator with Meta XR Operator support, enabling AI coding agents to observe, interact with, and verify running VR/MR apps directly through the simulator. This release also includes expanded AI model compatibility, multiple crash fixes, and improved stability.

What's New

  • Meta XR Operator support: AI agents can now capture screenshots, read scene hierarchy, drive controller input, and set head position/orientation through XR Sim
  • Multi-agent compatibility: Meta XR Operator supports Claude Code, Gemini, Codex, and OpenCode
  • New controller pairing flow for connecting physical controllers to the simulator

    • What's Fixed

  • Fixed D3D12 command allocator reset crash in Unreal Engine when running with the D3D12 debug layer enabled
  • Fixed crash opening XrSwapchain Previews on macOS (MoltenVK)
  • Fixed SIGBUS/SIGSEGV/SIGABRT crashes during play-mode session teardown on Mac
  • Fixed Unity crash when restarting XR Sim during Play mode
  • Fixed thread-safety violations causing Unity runtime crash when opening the Graphics Panel
  • Fixed frontend crashes during rapid session state transitions
  • General stability improvements

    • Known Issues

  • Occasional stuttering on macOS in certain scenes
  • Viewport may lag briefly when toggling passthrough with Immersive Debugger open

    • Meta XR Simulator Documentation

    Getting Started Guides:
  • Unity
  • Unreal
  • Native
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