.NET Framework 4.5.2, 4.6, and 4.6.1 will reach end of support on April 26, 2022. After this date, Microsoft will no longer provide updates including security fixes and technical support for these versions. There is no change to the support timelines for any other .NET Framework version, including .NET 3.5 SP1, which will continue to be supported as documented on our .NET Framework Lifecycle FAQ.
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