March 2020 .NET Updates

The following .NET updates were released on March 2020. This issue will be updated if there are any additional releases during the month.

## .NET Framework

* [.NET Framework March 2020 Update for Windows 10 1607 (Anniversary Update) and Windows Server 2016](https://devblogs.microsoft.com/dotnet/net-framework-march-2020-update-for-windows-10-1607-anniversary-update-and-windows-server-2016/)

## .NET Core
* [March 2020 Updates – 2.1.17 and 3.1.3](https://devblogs.microsoft.com/dotnet/net-core-march-2020/)

* .NET Core 3.1.3 and .NET Core SDK 3.1.103( [Release Notes](https://github.com/dotnet/core/blob/master/release-notes/3.1/3.1.3/3.1.3.md) | [Download](https://www.microsoft.com/net/download/dotnet-core/3.1) )

* .NET Core 2.1.17 and .NET Core SDK 2.1.805 ( [Release Notes](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.17/2.1.17.md) | [Download](https://www.microsoft.com/net/download/dotnet-core/2.1) )

## .NET Support Policies

Microsoft support policies are defined in the following documents:

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