<i>&quot;OS X, Ubuntu Linux LTS, and the latest Ubuntu Linux release are the current supported host development operating systems.&quot;</i> (<a href="https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift&#x2F;tree&#x2F;master&#x2F;apinotes" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift&#x2F;tree&#x2F;master&#x2F;apinotes</a>)