September patches for Azure DevOps Server and Team Foundation Server

This post announces and details the September 2021 patches for Azure DevOps Server (2020.1.1 Patch 1, 2020.0.1 Patch 6, 2019.1.1 Patch 11) and Team Foundation Server 2017 Update 3.1 Patch 14. It lists specific bugs fixed, including Artifacts download/upload failures, inconsistent Test Results data, and a Developer Community ticket. For each patch, it provides download links, release notes links, and two methods for verifying installation: running a check install executable and checking the version of specific DLL files.