CHANGELOG.md in logstash-output-s3-3.1.1 vs CHANGELOG.md in logstash-output-s3-3.1.2

- old
+ new

@@ -1,10 +1,7 @@
-## 3.1.1
-  - Relax constraint on logstash-core-plugin-api to >= 1.60 <= 2.99
-
-## 3.1.0
- - breaking,config: Remove deprecated config `endpoint_region`. Please use `region` instead.
-
+## 3.1.2
+  - Fix improper shutdown of output worker threads
+  - improve exception handling
 ## 3.0.1
  - Republish all the gems under jruby.
 
 ## 3.0.0
  - Update the plugin to the version 2.0 of the plugin api, this change is required for Logstash 5.0 compatibility. See https://github.com/elastic/logstash/issues/5141