March 2021 .NET Updates

The following .NET updates were released in March 2021. This issue will be updated if there are any additional releases during the month.

.NET

* [.NET March 2021 Updates – 5.0.4, 3.1.13, 2.1.26](https://devblogs.microsoft.com/dotnet/net-march-2021/)
* .NET 5.0.4 and .NET SDK 5.0.104 ([Release Notes](https://github.com/dotnet/core/blob/master/release-notes/5.0/5.0.4/5.0.4.md) | [Download](https://dotnet.microsoft.com/download/dotnet/5.0))
* .NET Core 3.1.13 and .NET SDK 3.1.113 ([Release Notes](https://github.com/dotnet/core/blob/master/release-notes/3.1/3.1.13/3.1.13.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/3.1))
* .NET Core 2.1.26 and .NET SDK 2.1.522 ([Release Notes](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.26/2.1.26.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/2.1))

.NET Support Policies

Microsoft support policies are defined in the following documents:

* [Microsoft .NET Support Policy](https://dotnet.microsoft.com/platform/support/policy/)
* [.NET Core OS Lifecycle Policy](https://github.com/dotnet/core/blob/master/os-lifecycle-policy.md)

Review the March 2021 .NET announcement links and the linked release notes and download pages. The issue is done when any additional March releases are reflected in the update list and the support-policy references remain current.

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