{
  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
  "channel": "dev",
  "toolsets": {
    "visualstudio": {
      "required": [
        "windows"
      ],
      "includePrerelease": true,
      "minVersion": "15.4",
      "requiredWorkloads": [
        "Microsoft.VisualStudio.Component.VSSDK"
      ]
    }
  }
}

{
  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
  "channel": "dev",
  "toolsets": {
    "visualstudio": {
      "required": [
        "windows"
      ],
      "includePrerelease": true,
      "minVersion": "15.0.26730.03",
      "requiredWorkloads": [
        "Microsoft.VisualStudio.Component.VSSDK"
      ]
    }
  }
}

Set minimum VS version to 15.0.26730.03
Set minimum VS version to 15.0.26730.03