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Application Compatibility in the .NET Framework

.NET Framework (current version)
 

The following articles describe application compatibility issues in recent versions of the .NET Framework:

In general, we have attempted to maintain a very high level of backward compatibility between versions of the .NET Framework, so that apps that target a specific version will run without modification on later versions. Most application compatibility issues have low impact, and most do not require programming modifications to your apps. For those that require modification, see the Impact column of the tables in these links.

If you are migrating from a version of the .NET Framework before the .NET Framework 4, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4 to 4.6, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.5 to a later version, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.5.1 to a later version, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.5.2 to a later version, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.6 to a later version, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.6.1, review the following topics for application compatibility issues that may affect your app:

If you are migrating from the .NET Framework 4.6.2, review Application Compatibility in 4.7 for application compatibility issues that may affect your app.

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