update change log

glennsl · glennsl · commit 47b1b230d38f · 2020-03-14T19:49:03.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,7 @@
 
+### 0.15.9 (2020-03-14)
+* Added `ResizeObserver`
+
 ### 0.15.8 (2020-02-22)
 * Added `Window.performance` and `Performance.now`
 
diff --git a/README.md b/README.md
@@ -69,6 +69,9 @@ Implementation inheritance is used instead of subtyping to make it easier to und
 
 ## Changes
 
+### 0.15.9 (2020-03-14)
+* Added `ResizeObserver`
+
 ### 0.15.8 (2020-02-22)
 * Added `Window.performance` and `Performance.now`
 
