Lifecycle FAQ—.NET Framework Content provided by Microsoft Applies to: .NET FrameworkLifecycle Select Product Version All Products Back to the Microsoft Lifecycle Policy home page NOTE: This FAQ was updated on April 25, 2019. Show All What is the Microsoft Lifecycle Policy for the .NET Framework? What is a component? Will I need to recompile/rebuild my applications to use .NET Framework 4.5.2 and later versions? Are there any breaking changes in .NET Framework 4.5.2? Why do you include these changes? The .NET Framework is also middleware in other Microsoft products such as Exchange Server, SQL Server, Dynamics CRM, SharePoint, and Lync. Do I need to make any updates to these products if they are using .NET 4, 4.5, or 4.5.1? When I installed Visual Studio, it installed a version of the .NET Framework. Does this mean the version of the .NET Framework that was included with Visual Studio takes the Lifecycle Policy of Visual Studio? What is the Lifecycle Policy for different versions of the .NET Framework? The information on this page is subject to the Microsoft Policy Disclaimer and Change Notice. Return to this site periodically to review any such changes. Last Updated: 26 Apr 2019 Did this solve your problem? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.