See their older blogpost here: <a href="http:&#x2F;&#x2F;blogs.unity3d.com&#x2F;2016&#x2F;04&#x2F;01&#x2F;unity-joins-the-net-foundation&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blogs.unity3d.com&#x2F;2016&#x2F;04&#x2F;01&#x2F;unity-joins-the-net-foun...</a><p>&quot;For Unity developers, this means making sure the latest .NET APIs, tools, and language features are available to you.&quot;<p>– Support for C# 6<p>– Upgrade Mono Runtime and Class Libraries<p>etc...