diff --git a/releasenotes/notes/api-definition-base-d2e9514c5ee2ef5b.yaml b/releasenotes/notes/api-definition-base-d2e9514c5ee2ef5b.yaml
new file mode 100644
index 000000000..ab6df51a5
--- /dev/null
+++ b/releasenotes/notes/api-definition-base-d2e9514c5ee2ef5b.yaml
@@ -0,0 +1,5 @@
+---
+other:
+  - Provide API definition framework for Neutron Stadium APIs to
+    be consolidated into neutron-lib. For more details see review
+    https://review.openstack.org/#/c/353131/.
diff --git a/releasenotes/notes/trunk-api-08bfdcdd80f7e666.yaml b/releasenotes/notes/trunk-api-08bfdcdd80f7e666.yaml
new file mode 100644
index 000000000..c13415001
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+++ b/releasenotes/notes/trunk-api-08bfdcdd80f7e666.yaml
@@ -0,0 +1,3 @@
+---
+features:
+  - API reference for the trunk extension.