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Workaround for Visual Studio 2017 hang when opening UE4.sln

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    This problem is fixed. However, it is not yet in the latest public release (4.22) so you'll either need the workaround or build UnrealVS from source.
    Last edited by Doug_Richardson; 04-17-2019, 02:54 PM.

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  • Workaround for Visual Studio 2017 hang when opening UE4.sln

    Whenever I opened UE4.sln, Visual Studio 2017 would start, then hang for about 3.5 minutes before being usable. I had figured this was just due to the sheer size of the UE4 project, but it turns out to be a performance problem with the UnrealVS extension.

    The problem was diagnosed by Microsoft in Dec 2018.

    I've found two workarounds:
    1. Disable the UnrealVS extension
    2. Set the Visual Studio source control plugin to None
    You just have to decide which one you'd rather live without. In my case, I don't use the Git source plugin, so I went with option (2) so that I could continue to use UnrealVS.

    To disable UnrealVS extension: Visual Studio 2017 > Tools menu > Extension and Updates... > UnrealVS

    Click image for larger version  Name:	Disable-UnrealVS-Extension.PNG Views:	1 Size:	57.1 KB ID:	1609058

    To disable the source control plug-in: Visual Studio 2017 > Tools menu > Options... > Source Control > Plug-in Selection, and then set the Current source control plug-in to None.

    Click image for larger version  Name:	Disable-Source-Control-Plugin.PNG Views:	1 Size:	21.9 KB ID:	1609059
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