August 2018 .NET Updates

# August 2018 .NET Updates

The following .NET updates were released in August 2018. This issue will be updated if there are any additional updates during the month.

## .NET Framework

* [August 2018 .NET Framework Security and Quality Rollup - August 14, 2018](https://blogs.msdn.microsoft.com/dotnet/2018/08/14/august-2018-security-and-quality-rollup/)
* [Advisory serializing/deserializing a CultureAwareComparer with .NET Framework 4.6+](https://github.com/dotnet/announcements/issues/81)
* [Advisory on July 2018 .NET Framework Updates](https://blogs.msdn.microsoft.com/dotnet/2018/07/20/advisory-on-july-2018-net-framework-updates/)
* [August 2018 Preview of Quality Rollup - August 30, 2018](https://blogs.msdn.microsoft.com/dotnet/2018/08/30/net-framework-august-2018-preview-of-quality-rollup/)

## .NET Core

* [.NET Core August 2018 Update - August 21, 2018](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.3/2.1.3.md)
* [.NET Core 2.1.400 SDK Update - August 14, 2018](https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.400-SDK/2.1.400-sdk.md)

## End of Support for Operating System Versions

.NET Core does not support systems that are out of support. The following operating systems are now out of support. To stay supported, move to a [later version of the given operating system](https://github.com/dotnet/core/blob/master/os-lifecycle-policy.md).

* [Debian 8 -- Jessie](https://lists.debian.org/debian-security-announce/2018/msg00132.html)
* [Ubuntu 17.10 -- Artful Aardvark](https://lists.ubuntu.com/archives/ubuntu-announce/2018-July/000232.html)

See [Debian Jessie End of Life -- Impact on .NET Core Docker Images](https://github.com/dotnet/announcements/issues/78)

## .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)

## Previous Updates

* [July 2018](https://github.com/dotnet/announcements/issues/76)
* [June 2018](https://github.com/dotnet/announcements/issues/75)
* [May 2018](https://github.com/dotnet/announcements/issues/68)