VSTS/TFS Roadmap update for 2018 Q1 and Q2

This post announces upcoming features for Visual Studio Team Services (VSTS) and on-premises Team Foundation Server (TFS) for Q1 and Q2 2018. Key updates include: adding required reviewers as a contributor to pull requests, filtering pull requests by target branch and labels, public preview of GVFS for Mac, new Agile Hubs with consistent filter and favoriting experiences, general availability of YAML builds and public preview of YAML releases, support for VMs, Go, and Ruby in Azure DevOps Projects, Maven upstream support for Package Management, and multiple accounts per organization.