diff --git a/releasenotes/notes/concatenate-node-7544a7200b2ca445.yaml b/releasenotes/notes/concatenate-node-7544a7200b2ca445.yaml
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+---
+features:
+  - |
+    Add C++ ``ConcatenateNode`` and Python ``Concatenate`` symbol and ``concatenate()`` function.
+    See `#46 <https://github.com/dwavesystems/dwave-optimization/issues/46>`_.