From 86389faa4289c87b4f3be7b3029f50fa39fc620c Mon Sep 17 00:00:00 2001
From: Greg Landrum <greg.landrum@gmail.com>
Date: Wed, 29 May 2019 15:13:29 +0200
Subject: [PATCH] update release notes

---
 ReleaseNotes.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index 4f307898b..4073f59ca 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,6 +1,12 @@
 # Release_2019.09.1
 (Changes relative to Release_2019.03.1)
 
+## Important
+- The atomic van der Waals radii used by the RDKit were corrected/updated in #2154.
+  This leads to different results when generating conformations, molecular volumes,
+  and molecular shapes. 
+
+
 ## Highlights:
 
 ## Acknowledgements: