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It will scan the output folder for VSIX files, and update each of them. After adding the NuGet package to a VSIX project VsixUpdater will run after each build. VsixUpdater works as a custom MSBuild build task for VSIX projects. As building with older versions is often required for backward compatibility reasons, this tool can be used to avoid multiple build setups to maintain compatibility from Visual Studio 2012 to 2017. VsixUpdater is a tool to update VSIX packages to version 3 for Visual Studio 2017 compatibility - but unlike the VSSDK Nuget package it can be used with older versions of Visual Studio.
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