CHANGES: update v1.5.2 release notes draft
@@ -2,6 +2,8 @@ v1.5.2
======
* Pandas DataFrame objects with multilevel columns are now supported.
(#346) (+347)
+ * Numpy 1.20 is now officially supported. (#336)
+ * Python 3.9 is now officially supported. (+348)
v1.5.1
======
