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Blender 4.5 LTS Light Path node issues

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  • 2025-08-02 at 12:54 pm #83474
    illussimo
    Customer

    “Is Camera Ray” output from Blender 4.5 LTS Light Path node doesn’t work any more when exported to Verge3D.
    It also doesn’t work in Verge3D 4.10. It seems to be a Blender 4.5 issue, because it worked well when exporting from previous versions.
    I’ve tested with both Vulkan and OpenGL.
    I have included test files and an error log.

    Attachments:

    1. Screenshot-2025-08-02-145006.png

    1. Lightpath-test.blend
    2. Lightpath-test-Bl-4_5LTS.blend
    2025-08-02 at 1:36 pm #83479
    Alexander Kovelenov
    Staff

    Hi Simone,
    As I remember, these crashes happened in some of Verge3D 4.10 preview builds, but the issue has been resolved in the stable version. Please make sure you updated both the installation and the engine in the actual application (use the browser console to verify).

    Soft8Soft Tech Chief
    X | FB | LinkedIn

    2025-08-02 at 4:46 pm #83482
    illussimo
    Customer

    Hello Alex,
    Thanks for your quick answer.
    The problem was not with Verge3D 4.10. The problem was with Blender. After installing Blender 4.5LTS, a restart of Windows is required. This wasn’t necessary in former versions, so I didn’t think about it. Everything works great now! :heart:

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