Add changes entry for vector<shared_ptr<>> memory leak fix
diff --git a/CHANGES.current b/CHANGES.current
index c12c5eb..27945c0 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -7,6 +7,9 @@
 Version 4.0.2 (in progress)
 ===========================
 
+2020-02-13: ddurham2
+            [Python] #1512 Fix memleak when using STL containers of shared_ptr objects.
+
 2020-02-06: wsfulton
             [Python] #1673 #1674 Fix setting 'this' when extending a proxy class with __slots__.