September 2019 .NET Updates

The following .NET updates were released on September 2019. This issue will be updated if there are any additional releases during the month.

## .NET Framework

* [.NET Framework September 2019 Security and Quality Rollup](https://devblogs.microsoft.com/dotnet/net-framework-september-2019-security-and-quality-rollup/)
* [.NET Framework September 2019 Preview of Quality Rollup](https://devblogs.microsoft.com/dotnet/net-framework-september-2019-preview-of-quality-rollup/)

## .NET Core

* .NET Core 2.1.13 and .NET Core SDK ( [Release Notes](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.13/2.1.13.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/2.1) )

* .NET Core 2.2.7 and .NET Core SDK ( [Release Notes](https://github.com/dotnet/core/blob/master/release-notes/2.2/2.2.7/2.2.7.md) | [Download](https://dotnet.microsoft.com/download/dotnet-core/2.2) )

A discussion issue is available at [core/3345](https://github.com/dotnet/core/issues/3345)

## .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)