diff --git a/README.md b/README.md
index fd94e2156ac153d63b361048d1d0ddc12a169cba..f28da26f10f343a871c35b0e8ffbb93a294ce751 100644
--- a/README.md
+++ b/README.md
@@ -37,4 +37,12 @@ if you need every CPU cycle you can get.
 
 **v0.8x** series has unstable API. It probably won't change much
 
-**v0.9x** series will have a stable API.
\ No newline at end of file
+**v0.9x** series will have a stable API.
+
+## What's new
+
+* v0.88:
+    * **API changes:**
+        * Cluster.start will RuntimeError if called more than once
+        * Cluster.shutdown will RuntimeError if called without .start
+    * Warning with content list is shorter