diff --git a/releasenotes/notes/v10-compat-6ccfa65bef09f757.yaml b/releasenotes/notes/v10-compat-6ccfa65bef09f757.yaml
new file mode 100644
index 0000000..592f7ea
--- /dev/null
+++ b/releasenotes/notes/v10-compat-6ccfa65bef09f757.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Zuul-client is now compatible with the data format used by Zuul
+    version 10, as well as older versions.