Please provide targeting pack for .Net Framework 4.5 for VS 2010 - by Tobi_B

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ID 776196 Comments
Status Active Workarounds
Type Bug Repros 0
Opened 1/9/2013 11:29:45 PM
Access Restriction Public


I would like to start this request with a citation of the msdn blog entry regarding the new features of VS 2010 located here:

There it says: "Second, we sought to decouple Visual Studio 2010 from its target frameworks so that Microsoft can ship new frameworks, framework profiles, and framework service packs without patching Visual Studio."

In essence there you say that, by the "Visual Studio Multi Targeting" feature, you would be able to support new versions of the framwork without changing VS itself. So there is no technical reason to not provide a targeting pack for 4.5 for VS 2010 right?

Secondly. The 4.5 framework is an in-place update of the 4.0 version. Even though you changed some parts of the CLR, it is still based on the CLR 4 (even the revision number of the clr did not change). Basically we could compare the 4.5 release to the 3.5 release. So lets compare VS 2008 to VS 2010. When VS 2008 was released it came together with Framework Version 3.0. Later on, with SP 1 the framework 3.5 was released. Both were still targeting the same CLR version so VS 2008 now supported 3.5 as well.

I think my point is clear. Why is VS 2010 treaded so much different than VS 2008? (Of course the answer is clear as well. Marketing.) I can only beg you ( or the product managers ) to please realize that it is not the right way to force the new VS 2012 version into the marked by cutting of new features from the former 2010 version. No offense!

Kind regards 

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Posted by Microsoft on 8/9/2013 at 11:34 AM
Sorry for the delay getting back to you. We've explored this and won't be creating a targeting pack for .NET 4.5 on VS 2010. .NET 4.5 has features (such as async) which are difficult to bring back to VS 2010 in just a targeting pack because they involve deeper integration with Visual Studio. For some of these areas, we have out-of-band NuGet packages which bring the experience to projects targeting .NET 4 on VS2012 (the Async Targeting pack - - is an example), but we couldn't bring these experiences back to VS 2010.

-Mike Downen, .NET Framework team
Posted by Tobi_B on 4/2/2013 at 10:38 PM
As I did not get any feedback on this topic within the last months I would like to emphasize again that this is a really importent topic. And it would be nice to get some answer on it.
Kind regards, Tobias
Posted by Microsoft on 1/15/2013 at 1:13 AM
Thank you for submitting feedback on Visual Studio and .NET Framework. Your issue has been routed to the appropriate VS development team for investigation. We will contact you if we require any additional information.
Posted by Microsoft on 1/9/2013 at 11:51 PM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(