Embedded Cluster 2.7.1+k8s-1.31 release notes (#3352)

* update rn-embedded-cluster.md

* Update rn-embedded-cluster.md

---------

Co-authored-by: Paige Calvert <paige@replicated.com>

Author: diamonwiggins

docs/release-notes/rn-embedded-cluster.md

@@ -12,6 +12,32 @@ Additionally, these release notes list the versions of Kubernetes and Replicated
 
 <!--RELEASE_NOTES_PLACEHOLDER-->
 
+## 2.7.1
+
+Released on July 2, 2025
+
+<table>
+  <tr>
+    <th>Version</th>
+    <td id="center">2.7.1+k8s-1.31</td>
+    <td id="center">2.7.1+k8s-1.30</td>
+    <td id="center">2.7.1+k8s-1.29</td>
+  </tr>
+  <tr>
+    <th>Kubernetes Version</th>
+    <td id="center">1.31.8</td>
+    <td id="center">1.30.9</td>
+    <td id="center">1.29.14</td>
+  </tr>
+  <tr>
+    <th>KOTS Version</th>
+    <td id="center" colspan="3">1.124.18</td>
+  </tr>
+</table>
+
+### Improvements {#improvements-2-7-1}
+* Improves the default host support bundle generated by `./APP_SLUG support-bundle` with better diagnostics for different installation scenarios (such as air gap or proxy installations) and additional network diagnostics collecion. For more information, see [About the Default Embedded Cluster Support Bundle Spec](/vendor/embedded-troubleshooting#about-the-default-embedded-cluster-support-bundle-spec).
+
 ## 2.6.0
 
 Released on June 5, 2025