CHANGELOG.md in attractor-0.5.1 vs CHANGELOG.md in attractor-0.6.0

@@ -1,4 +1,8 @@
+## RELEASE 0.6.0
+
+* FEATURE: Add treemap visualization
+
 ## RELEASE 0.5.1
 
 * ENHANCEMENT: Make filenames in graph optional
 
 ## RELEASE 0.5.0