CHANGELOG: Mention that 2.2.0 is backwards incompatible (#471)

henrik · andrew · commit 06107c4e38ed · 2017-01-22T11:23:26.000Z
Refs #469.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## 2.2.0 (November 11th, 2016)
 
+**Backwards incompatible!** Redis keys are renamed. Please make sure all running tests are completed before you upgrade, as they will reset.
+
 Features:
 
 - Remove dependency on Redis::Namespace (@bschaeffer, #425)
