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Fixed in 2017.2.X



Found in


Issue ID




[WSA] WorldAnchorStore.GetAsync throws an exception when starting deployed HoloLens app built

Windows Store Apps


Steps to reproduce:
1. Open the attached project (
2. Switch platform to Windows Store
3. Build for WSA Universal 10 SDK, Target device - HoloLens, Build type - D3D (C# Project and Development build checked)
4. Open Visual Studio solution
5. Deploy on emulator or HoloLens (Debug x86)
6. Observe the Output:
WinRTScriptingObjectWrapper::InternalAddRef Reference Count cannot be zero

Expected result: Unity should not throw an exception
Actual result: Unity throws exception

Reproduced with:5.6.0p1, 2017.1.0b1
Not reproduced with: 5.5.3p1

Fixed in: 2017.2.0a1
Backported to: 2017.1.0b9, 5.6.1p4

Comments (11)

  1. 0b1ce49083d3a1b0b80952a273592643?d=mm


    Apr 25, 2017 17:49

    Also experiencing this on 5.6.0f3

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