General availability: Azure DevOps updates for June 2021

We've added new policies to restrict the scope and lifespan of personal access tokens (PAT). In addition, we updated the Team Foundation Version Control (TFVC) Windows Shell extension to support Visual Studio 2019. Check out the following feature descriptions for details. ### General * [Restrict personal access token (PAT) scope and lifespan via Azure AD tenant policy](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#restrict-personal-access-token-pat-scope-and-lifespan-via-azure-ad-tenant-policy) * [Conditional access policy support for IPv6 traffic](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#conditional-access-policy-support-for-ipv6-traffic) ### Azure Pipelines * [Retain pipelines that are consumed in other pipelines](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#retain-pipelines-that-are-consumed-in-other-pipelines) * [Changes in the automatic creation of environments](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#changes-in-the-automatic-creation-of-environments) * [Remove Insights dialogue from Build Pipeline](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#remove-insights-dialogue-from-build-pipeline) ### Azure Repos * [Updates to Team Foundation Version Control (TFVC) Windows Shell extension for VS 2019](https://docs.microsoft.com/en-us/azure/devops/release-notes/2021/sprint-188-update#updates-to-team-foundation-version-control-tfvc-windows-shell-extension-for-visual-studio-2019) * Azure DevOps * Features * [ Azure DevOps](https://azure.microsoft.com/en-gb/products/devops/)