com.unity.ide.visualstudio@2.0.0

## [2.0.0] - 2019-11-06

- Improved Visual Studio and Visual Studio for Mac automatic discovery
- Added support for the VSTU messaging system (start/stop features from Visual Studio)
- Added support for solution roundtrip (preserves references to external projects and solution properties)
- Added support for VSTU Analyzers (requires Visual Studio 2019 16.3, Visual Studio for Mac 8.3)
- Added a warning when using legacy pdb symbol files.
- Fixed issues while Opening Visual Studio on Windows
- Fixed issues while Opening Visual Studio on Mac

## [1.1.1] - 2019-05-29

Fix Bridge assembly loading with non VS2017 editors

## [1.1.0] - 2019-05-27

Move internal extension handling to package.

Editor/Symbols.cs

@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+using System;
+using System.IO;
+
+namespace Microsoft.Unity.VisualStudio.Editor
+{
+	internal static class Symbols
+	{
+		public static bool IsPortableSymbolFile(string pdbFile)
+		{
+			try
+			{
+				using (var stream = File.OpenRead(pdbFile))
+				{
+					return stream.ReadByte() == 'B'
+						   && stream.ReadByte() == 'S'
+						   && stream.ReadByte() == 'J'
+						   && stream.ReadByte() == 'B';
+				}
+			}
+			catch (Exception)
+			{
+				return false;
+			}
+		}
+	}
+}