update changelog for 1.8.1 release (#156)

thomaszurkan-optimizely · web-flow · commit 4beca4ab00f5 · 2017-12-12T14:38:24.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Optimizely Java X SDK Changelog
 
+## 1.8.1
+December 12, 2017
+
+This is a patch release for 1.8.0.  It contains to bug fixes mentioned below.
+
+### Bug Fixes
+SDK returns NullPointerException when activating with unknown attribute.
+
+Pooled connection times out if it is idle for a long time (AsyncEventHandler's HttpClient uses PoolingHttpClientConnectionManager setting a validate interval). 
+
 ## 2.0.0 Beta 2
 October 5, 2017
 
