CHANGELOG.md in bugsnag-api-1.0.3 vs CHANGELOG.md in bugsnag-api-2.0.0

@@ -1,7 +1,39 @@
 Changelog
 =========
 
+## 2.0.0 (10 Oct 2017)
+
+This release changes the gem to access v2 of the [Bugsnag data-access API](https://docs.bugsnag.com/api/data-access/), with full API documentation found [here](http://docs.bugsnagapiv2.apiary.io/).
+
+### Enhancements
+
+* Uses Bugsnag data-access API v2 endpoints with associated changes to endpoints and methods, namely:
+    - Removes:
+        * accounts
+        * users
+    - Adds:
+        * organizations
+        * collaborators
+        * event fields
+        * pivots
+        * trends
+    - Updates:
+        * comments
+        * errors
+        * events
+        * projects
+
+  | [#11](https://github.com/bugsnag/bugsnag-api-ruby/pull/11)
+
+* Adds error response to hitting rate limit
+  | [#10](https://github.com/bugsnag/bugsnag-api-ruby/pull/10)
+
+### Known Issues
+
+* per_page option not respected in paginated API calls
+* issues with event_fields not being created correctly
+
 1.0.2
 -----
 -   Fix load-order bug when requiring from certain environments
 
 1.0.1