Merge pull request #2545 from Shopify/4.9.1-changelog

Changelog 4.9.1 release

Author: dleroux

CHANGELOG.md

@@ -8,6 +8,13 @@ The format is based on [these versioning and changelog guidelines](https://git.i
 
 ---
 
+## 4.9.1 - 2019-12-11
+
+### Bug fixes
+
+- Removed reference to `window` in `DropZone` ([#2532](https://github.com/Shopify/polaris-react/pull/2532))
+- Fixed a regression in `TrapFocus` that prevented focus outside of an `iframe` ([#2530](https://github.com/Shopify/polaris-react/pull/2530))
+
 ## 4.9.0 - 2019-12-06
 
 ### Enhancements

UNRELEASED.md

@@ -6,9 +6,6 @@
 
 ### Bug fixes
 
-- Removed reference to `window` in `DropZone` ([#2532](https://github.com/Shopify/polaris-react/pull/2532))
-- Fixed a regression in `TrapFocus` that prevented focus outside of an `iframe` ([#2530](https://github.com/Shopify/polaris-react/pull/2530))
-
 ### Documentation
 
 - Changed a link to the Polaris icons documentation so it would point to npm (a public resource) rather than the `Shopify/polaris-icons` repository (which is now private) ([#2452](https://github.com/Shopify/polaris-react/pull/2452))