.NET April 2022 Updates

The following .NET updates were released in April 2022. This issue will be updated if there are any additional releases during the month.

.NET

* [.NET April 2022 Updates – 6.0.4, 5.0.16, 3.1.24](https://devblogs.microsoft.com/dotnet/april-2022-updates/)
* .NET 6.0.4 and .NET SDK 6.0.202 ([Release Notes](https://github.com/dotnet/core/blob/main/release-notes/6.0/6.0.4/6.0.4.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/6.0))
* .NET 5.0.16 and .NET SDK 5.0.407 ([Release Notes](https://github.com/dotnet/core/blob/main/release-notes/5.0/5.0.16/5.0.16.md) | [Download](https://dotnet.microsoft.com/download/dotnet/5.0))
* .NET Core 3.1.24 and .NET SDK 3.1.418 ([Release Notes](https://github.com/dotnet/core/blob/main/release-notes/3.0/3.1.24/3.1.24.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/3.1))

.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 April 2022 update links and the listed .NET release notes and download pages. The issue says it would be updated for additional releases during that month; done would mean recording any such release information, but no specific remaining change is identified.

Written by the indexing model from the issue text.