September 2020 .NET Updates

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

.NET Core

* [September 2020 Updates – 2.1.22 and 3.1.8](https://devblogs.microsoft.com/dotnet/net-core-september-2020/)
* .NET Core 3.1.8 and .NET Core SDK 3.1.108 ([Release Notes](https://github.com/dotnet/core/blob/master/release-notes/3.1/3.1.8/3.1.8.md) | [Download](https://www.microsoft.com/net/download/dotnet-core/3.1))
* .NET Core 2.1.22 and .NET Core SDK 2.1.810 ([Release Notes](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.22/2.1.22.md) | [Download](https://www.microsoft.com/net/download/dotnet-core/2.1))

.NET Framework

* [September 2020 Security and Quality Rollup Updates](https://devblogs.microsoft.com/dotnet/net-framework-september-2020-security-and-quality-rollup-updates/)
* [September 2020 Cumulative Update Preview](https://devblogs.microsoft.com/dotnet/net-framework-september-2020-cumulative-update-preview-update/)
* [October 1, 2020 Cumulative Update Preview Update for Windows 10, version 2004 and Windows Server, version 2004](https://devblogs.microsoft.com/dotnet/net-framework-october-1-2020-cumulative-update-preview-update-for-windows-10-version-2004-and-windows-server-version-2004/)

.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)