NEWS.md in fluent-plugin-concat-2.0.1 vs NEWS.md in fluent-plugin-concat-2.1.0

@@ -1,6 +1,10 @@
 # ChangeLog
 
+## v2.0.0
+
+* Use Fluentd v0.14 API and drop Fluentd v0.12 or earlier support
+
 ## v0.6.2
 
 ### Fixes
 
 * Handle timeout event properly when buffer is empty