diff --git a/news/pickling-explicitmoleculecomponent.rst b/news/pickling-explicitmoleculecomponent.rst
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+**Added:**
+
+* Added warning when pickling an ``ExplicitMoleculeComponent`` that RDKit mol properties not preserved by default.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>