Changelog

Software > Somnium VR1 Tool > Changelog

1.0.3.98 – Somnium SDK Beta4

June 6th, 2025
  • Eye-tracking improved algorithms (better calibration, more precise tracking).
  • Added eye tracking trail/heatmap visualization and option to disable/enable eye tracking after calibration.
  • Special eye-tracking calibration mode for VROptician lenses (to make calibration with lenses easier).
    • To use this mode enable the Lens Inserts option on the Settings – Headset – Eyes page before calibrating the eye tracking.
  • RTX 5090 compatibility fixes.
  • Mixed Reality improvements (image quality and usability).
  • Motion Cancellation support (tracker-based).
  • OpenKneeBoard compatibility support.
  • Option to set FOV to lower values (60° in both vertical and horizontal FOV), and option to set render resolution up to 200%.
  • Added total vertical and horizontal FOV values to Settings – Headset – Advanced page.
  • Info about running application name is now available in Connected Device section.
  • SteamVR adjusted warping (higher resolution warping mesh).
  • Fix for checking correct SteamVR Somnium driver status and ability to enable/disable it from Somnium VR1 Tool.
  • Other smaller fixes and improvements.
  • Known issues:
    • 120 Hz might cause image artifacts on some PC setups.
    • Enabling mixed reality or virtual desktop overlays can cause small image stuttering on some PC setups.
    • Simple eye tracking calibration and Measure IPD functionality is currently not available.
    • Virtual Desktop doesn’t automatically reset position after it is enabled (use manual Reset from Somnium VR1 Tool instead).
    • Info about foveated rendering state is not available in Somnium VR1 Tool (foveated rendering status in Connected Device section will always show a grey dot even if foveated rendering is active).
    • VR Controllers are not supported in native OpenXR.
    • Spacewarp functionality is not yet available.
    • Overlays in SteamVR are not available, and most of the Somnium VR1 Tool options are currently not working with SteamVR driver.
    • Tracking origin offsets are not available.

    1.0.3.95 – Somnium SDK Beta3 hotfix

    May 2nd, 2025
    • Fixed process freeze issue in DCS.
    • Fixed iRacing crash when mixed reality cameras are connected.
    • Fixed application crash when enabling mixed reality with Nvidia sharpening.
    • Known issues:
      • 120 Hz might cause image artifacts on some PC setups.
      • Only advanced eye calibration is currently available, and it is not possible to manually enable/disable eye tracking (eye tracking is started automatically after a successful calibration).
      • VR Controllers are not supported in native OpenXR.
      • Motion cancellation is not yet available.
      • Spacewarp functionality is not yet available.
      • SteamVR driver is included in this beta, but only basic rendering is available, so we do not recommend testing SteamVR with this version.

    1.0.3.93 – Somnium SDK Beta3

    April 23rd, 2025
    • iRacing OpenXR compatibility fix.
    • Mixed Reality color & image improvements.
    • Improved image warping.
    • Eye tracking functionality added (only advanced calibration is available for now).
    • Foveated rendering functionality added (both static + dynamic). Tested in DCS (requires enabling Quad Views option in DCS VR settings) and Unreal Engine.
    • Buttons functionality added. Additional new button actions are available (separate action for passthrough and masked mixed reality, separate action for eye tracking calibration).
    • Stability & performance improvements.
    • Other bug fixes & improvements.
    • Known issues:
      • 120 Hz might cause image artifacts on some PC setups.
      • Only advanced eye calibration is currently available, and it is not possible to manually enable/disable eye tracking (eye tracking is started automatically after a successful calibration).
      • VR Controllers are not supported in native OpenXR.
      • Motion cancellation is not yet available.
      • iRacing doesn’t load when MR USB cables are connected.
      • Spacewarp functionality is not yet available.
      • SteamVR driver is included in this beta, but only basic rendering is available, so we do not recommend testing SteamVR with this version.

    1.0.3.89 – Somnium SDK Beta2

    March 8th, 2025
    • Added Mixed Reality capabilities
    • Added VR upscaling algorithms
    • Minor bug fixes and improvements
    • Known issues:
      • OpenXR runtime is not compatible with iRacing.
      • Eye tracking and foveated rendering functionality is not yet available.
      • Motion cancellation is not yet available.
      • Spacewarp functionality is not yet available.
      • SteamVR driver is included in this beta, but only basic rendering is available, so we do not recommend testing SteamVR with this version.

    1.0.3.83 – Somnium SDK Beta1

    February 19th, 2025
    • Added support for multiple display frequencies (72Hz, 90Hz, 120Hz).
    • Better performance with native OpenXR runtime (approximately 30-40% increase when compared to previous version).
    • Potential audio bug fix (robo voice).
    • Full compatibility with Unreal Engine 5.2 and newer.
    • Known issues:
      • This beta version is designed to test only features mentioned above using native OpenXR runtime and it does not support additional functionality such as: foveated rendering, upscaling, spacewarp, overlays, VD, buttons, MR etc.
      • SteamVR driver is included in this beta, but only basic rendering is available, so we do not recommend testing SteamVR with this version.

    1.0.3.43

    December 5th, 2024
    • Additional fix for flashing black stripes while using SteamVR driver.
    • Fixed tracking initialization issues in OpenXR applications.
    • Added option to disable spacewarp functionality (Rendering page).
    • Added color enhancer option for mixed reality (MR Exposure page).
    • Adjusted default mixed reality exposure values.
    • Fix for OpenXR DirectX12 compatibility issues.
    • Known issues:
      • Somnium OpenXR Runtime 4.8.2 is not compatible with Unreal Engine 5.2 and newer.
        • For now we recommend using either SteamVR plugin or SteamVR OpenXR runtime with those versions of Unreal Engine.
      • Mixed reality image is not shown when Blending is set to 100% (Mixed Reality – General page).
    • Notes:
      • This version was also later released in Standalone edition as version 1.0.3.96.

    1.0.2.41

    November 14th, 2024
    • Partial fix for flashing black stripes while using SteamVR driver (depends on specific PC setup).
    • Fixed crash in SteamVR when activating the Calibrate Head Pose function (Eyes page).
    • Added measured IPD visualization to SteamVR driver.
    • VR View optimization (VR View will not limit the rendering pipeline).
    • Fixed Somnium VR1 Tool list in Windows Apps to only show the latest installed version.
    • Other minor improvements and fixes.

    1.0.1.37

    November 1st, 2024
    • Fixed perceived delay of the VR movement vs physical movements.
    • Fixed low FOV problems to allow for the full FOV of the headset to be utilized.
    • Changed default rendering resolution to 80%.
    • Added option to set custom keyboard shortcut in the Buttons tab.
    • Updated algorithm for mixed reality latency compensation.
    • Fixed IPD values displayed in Connected Headset section and in the Eyes tab.
    • Added capability to switch FOV and resolution without restarting SteamVR.
    • Fixed FPS counter in Somnium VR1 Tool when using SteamVR.
    • Fixed measure IPD and eye tracking functionality in SteamVR.

    1.0.0.28

    September 26th, 2024
    • First release of Somnium VR1 Tool

    This page was last modified on June 12th, 2025 at 9:19

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