CHANGELOG.md in slack-ruby-client-0.8.1 vs CHANGELOG.md in slack-ruby-client-0.9.0

@@ -1,4 +1,11 @@
+### 0.9.0 (8/6/2017)
+
+* [#146](https://github.com/slack-ruby/slack-ruby-client/issues/146): Fix: `undefined method running?` and `ThreadError: Target thread must not be current thread` with `Celluloid::IO` - [@dblock](https://github.com/dblock).
+* [#145](https://github.com/slack-ruby/slack-ruby-client/pull/145): Automatically select `rtm_connect` vs. `rtm_start` - [@dblock](https://github.com/dblock).
+* [#154](https://github.com/slack-ruby/slack-ruby-client/pull/154): Raise a dedicated error class with 429 responses - [@greggroth](https://github.com/greggroth).
+* [#154](https://github.com/slack-ruby/slack-ruby-client/pull/154): Namespace error classes under `Slack::Web::Api::Errors` module - [@greggroth](https://github.com/greggroth).
+
 ### 0.8.1 (4/28/2017)
 
 * Added `exclude_members` option to `channels_list` Web API - [@dblock](https://github.com/dblock).
 * Added `chat_unfurl` to Web API - [@dblock](https://github.com/dblock).
 * Added `rtm_connect` to RTM API - [@dblock](https://github.com/dblock).