<p><span class="h-card" translate="no"><a href="https://hachyderm.io/@fasterthanlime" class="u-url mention">@<span>fasterthanlime</span></a></span> It depends on what you mean in your question. If you mean in EKS as part of google cloud, it should be mostly upstream, but it's always likely they have their own patches (e.g. they may not want to use etcd for the control plane, because they have other k/v systems they can rely on). </p><p>If you mean their internal systems, they don't use k8s internally.</p>