We have also the same issue with unity 5.2.0f3 and visual studio 2015.
At the start up we receive the same error as already mentioned.
The shared project has the status “loading…” and does not change anymore.
Here the exact versions of all installed tools with Vistual Studio:
Microsoft Visual Studio Community 2015
Version 14.0.23107.0 D14REL
Microsoft .NET Framework
Version 4.6.00079
Installed Version: Community
Visual Basic 2015 00322-20000-00000-AA475
Microsoft Visual Basic 2015
Visual C# 2015 00322-20000-00000-AA475
Microsoft Visual C# 2015
Visual C++ 2015 00322-20000-00000-AA475
Microsoft Visual C++ 2015
Windows Phone SDK 8.0 - ENU 00322-20000-00000-AA475
Windows Phone SDK 8.0 - ENU
Application Insights Tools for Visual Studio Package 1.0
Application Insights Tools for Visual Studio
ASP.NET and Web Tools 14.0.20626.0
ASP.NET and Web Tools
ASP.NET Web Frameworks and Tools 2013 5.2.30624.0
For additional information, visit http://www.asp.net/
Common Azure Tools 1.5
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.
GenerateUnitTest 1.0
Generates unit test code for methods in classes under test.
Microsoft Azure Mobile Services Tools 1.4
Microsoft Azure Mobile Services Tools
Microsoft MI-Based Debugger 1.0
Provides support for connecting Visual Studio to MI compatible debuggers
NuGet Package Manager 3.0.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.
PreEmptive Analytics Visualizer 1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.
SQL Server Data Tools 14.0.50730.0
Microsoft SQL Server Data Tools
Visual C++ for Cross Platform Mobile Development 1.0
Visual C++ for Cross Platform Mobile Development
Visual C++ for Cross Platform Mobile Development 1.0
Visual C++ for Cross Platform Mobile Development
Visual Studio Tools for Universal Windows Apps 14.0.23121.00 D14OOB
The Visual Studio Tools for Universal Windows apps allow you to build a single universal app experience that can reach every device running Windows 10: phone, tablet, PC, and more. It includes the Microsoft Windows 10 Software Development Kit.