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Microsoft .NET Framework 4 Platform Update 1

Microsoft .NET Framework 4 Platform Update 1

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The Microsoft .NET Framework 4 Platform Update 1 released today, 4/18/2011.

The Microsoft .NET Framework 4 Platform Update 1 is a platform update that is a set of new features that provides additional functionality for top customer requests and important scenarios.

The features that are enabled in this update are:

Windows Workflow Foundation (WF)

The Microsoft .NET Platform Update 1 consists of three packages:

  • Microsoft .NET Framework 4 Platform Update 1 (KB2478063)
    • This package contains the runtime files for the platform update. This package must be deployed on systems where applications that target the platform update are deployed.
  • Multi-Targeting Pack for Microsoft .NET Framework 4 Platform Update 1 (KB2495638)
    • This package contains reference assemblies and intellisense files for the platform update. This package is installed as part of the next package.
  • Microsoft .NET Framework 4 Platform Update 1 – Design-time Package for Visual Studio 2010 SP1 (KB2495593)
    • This package installs the previous two packages and configures Visual Studio 2010 SP1 with new .NET Framework targeting profiles, intellisense, and adds the state machine activities to the toolbox.

To develop workflow applications in Visual Studio 2010 SP1 that target the new Platform Update 1 functionality, the Microsoft .NET Framework 4 Platform Update 1 – Design-time Package for Visual Studio 2010 SP1 (KB2495593) must be installed. Once it is installed, the .NET Framework 4 Platform Update 1 (KB2478063) profile can be chosen when creating a new .NET application.

There are two new profiles added to Visual Studio when the Design-time Package for Visual Studio 2010 SP1 (KB2495593) is installed.

  •  .NET Framework 4 Platform Update 1 (KB2478063)
  •  .NET Framework 4 Client Profile Platform Update 1 (KB2478063)

When a new project is created with the platform update profile selected, the .NET Framework 4 Client Profile Platform Update 1 (KB2478063) is used. The .NET Framework 4 Platform Update 1 (KB2478063) profile builds on the .NET Framework 4 profile, and the .NET Framework 4 Client Profile Platform Update 1 (KB2478063) profile builds on the .NET Framework 4 Client Profile. The .NET Framework 4 Client Profile is a subset of the .NET Framework 4 that is optimized for client applications. For more information, see .NET Framework Client Profile.

To choose either profile or change the profile after a project has been created, right-click the project in Solution Explorer, choose Properties, and select the desired profile from the Target framework drop-down.

When either of these profiles is selected, the features in the platform update are available and the State Machine activities are available in the Toolbox.

To configure .NET Framework 4 Platform Update 1 on computers with Visual Studio 2010 SP1 that are going to be used to develop applications that target the functionality in the platform update, install Microsoft .NET Framework 4 Platform Update 1 – Design-time Package for Visual Studio 2010 SP1 (KB2495593).

To configure a computer on which applications that target the .NET Framework 4 Platform Update 1 are to be deployed, deploy Microsoft .NET Framework 4 Platform Update 1 (KB2478063) and the appropriate version of the .NET Framework 4.

For information on how to use the new state machine functionality in .NET Framework 4 Platform Update 1, see:

 

  • The links to the first couple of KB-articles (in the the bullet list) seems to lead to editing pages rather than the articles themselves.

  • Thank you Fredrik, links are fixed.

  • First stab at a bootstrapper package - I'm sure this has problems (especially since I guessed the exit codes and such).

    dl.dropbox.com/.../DotNetFX401_BootstrapperPackages.zip

  • Note that if you set the .NET Framework launch condition of your setup/deployment project to be the Platform Update 1 version of .NET, the setup.exe insists that you don't have it (even if you do).

  • Hi Jeff, I am leaving up these comments in case other folks chime in, but we have taken the discussion offline and I will post an update to the blog once we get this figured out.

  • connect.microsoft.com/.../net-4-platform-update-1-the-splashscreen-build-action-is-not-supported-in-the-selected-target-framework

  • Are there any plans to push out this, particularly the runtime update, via Microsoft Update?

  • Any update on the ADO.NET Activity Packs?

  • Hi Joseph, WF team currently is actively working on the ADO.net activities. Once they are ready, we will ship it out to our customers with a proper release vehicle.  We will send out an update once we have a release planned locked,. Thanks!

  • Notre, there are currently no plans to push out the Platform Update 1 on Windows Update. We currently only push out major Service Packs, MSRC's and broadly applicable fixes though Windows Update.

  • Few questions:

    is it mainly for WF? Or it make sense also for WCF Ria development?

    If I do WF with this Platform Update, can i use this WF in Sharepoint?

  • Is the base .NET framework 4.0 being pushed out on Windows Update? We're trying to decide whether to upgrade our app from 3.5 to 4.0 and this is one consideration (i.e. if you are pushing it out then more people would have it already so we should upgrade.) Thanks, - Dan

  • What the hell is the story with that version name ".NET Framework 4 Platform Update 1 (KB"£$%^£$). S.E.R.I.O.U.S.L.Y. Pls tell me that's a typo that someone at Microsoft is really embarrassed about! I mean are you kidding me! If that is intentional, then Microsoft is seriously lossing the versioning plot.

    What is wrong with simply ".NET Framework 4.1" ? Seriously, what is wrong with that?

  • LOL - the name is pretty... um... interesting.  The actual version number is 4.0.1

  • Amen, Allen.

    What is up with this moronic versoning scheme? At least 4.1 or 4.0.1 means something...

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