TL;DR In addition to switching from &quot;preview&quot; to &quot;beta&quot;, Microsoft is open-sourcing Visual Studio Code (<a href="https:&#x2F;&#x2F;github.com&#x2F;Microsoft&#x2F;vscode" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;Microsoft&#x2F;vscode</a>) and adding plugin support.