Ruby+Truffle+Graal support was removed from rbenv (ruby-build, actually) on Jan. 1st.<p>Apparently, &quot;the new builds are click-through licensed&quot; and will be based off &quot;Oracle&#x27;s JDK rather than Open JDK.&quot;<p>I can&#x27;t wait for Oracle to die.<p>commit: <a href="https:&#x2F;&#x2F;github.com&#x2F;rbenv&#x2F;ruby-build&#x2F;commit&#x2F;ca0e1474fcf3e20257c291fb0dbe0e11ac549624" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;rbenv&#x2F;ruby-build&#x2F;commit&#x2F;ca0e1474fcf3e2025...</a><p>pull request: <a href="https:&#x2F;&#x2F;github.com&#x2F;rbenv&#x2F;ruby-build&#x2F;pull&#x2F;864" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;rbenv&#x2F;ruby-build&#x2F;pull&#x2F;864</a>