ef=https://github.com/istio/istio/issues/43045>Issue #43045</a></p></li></ul><h2 id=documentation-changes>Documentation changes</h2><ul><li><p><strong>Fixed</strong> incorrect <code>pilot-discovery</code> environment variable name from <code>VERIFY_CERT_AT_CLIENT</code> to <code>VERIFY_CERTIFICATE_AT_CLIENT</code>. <a href=https://github.com/istio/api/pull/2596>PR #2596</a></p></li><li><p><strong>Removed</strong> comment about not supporting regex for delegate VirtualService. <a href=https://github.com/isti