update changelog and unreleased for 2.9.0 release

Author: danrosenthal

CHANGELOG.md

@@ -8,6 +8,31 @@ The format is based on [these versioning and changelog guidelines](https://git.i
 
 ---
 
+## 2.9.0 - 2018-09-10
+
+### Enhancements
+
+- Updated date filter labels in resource list ([#2185](https://github.com/Shopify/polaris-react/pull/2185))
+- Changed `placeholder` prop in `Select` to be the default selection ([#2115](https://github.com/Shopify/polaris-react/pull/2115))
+- Added a `loading` prop to `ResourceList` that places a spinner overtop items and disables bulk actions ([#1922](https://github.com/Shopify/polaris-react/pull/1922))
+
+### Documentation
+
+- Clarified when and how to use icons in the banner component ([#2106](https://github.com/Shopify/polaris-react/pull/2106))
+- Updated footer help component guidelines to include content instructions for app developers ([#2023](https://github.com/Shopify/polaris-react/pull/2023#pullrequestreview-150272766))
+
+### Bug fixes
+
+- Fixed resource list component to correctly handle inclusive filter keys ([#2189](https://github.com/Shopify/polaris-react/pull/2189))
+- Fixed date field in DateSelector to not render an error when date is added by the date picker and field is blurred ([#2180](https://github.com/Shopify/polaris-react/pull/2180))
+- Fixed pagination from firing keypress events while focus is inside inputs or contenteditables ([#1900](https://github.com/Shopify/polaris-react/pull/1900))
+- Fixed `EmptyState` horizontally scrolling when fully condensed ([#2062](https://github.com/Shopify/polaris-react/pull/2062))
+- Fixed the bottom margin of elements inside `Page` being ignored in some browsers ([#2142](https://github.com/Shopify/polaris-react/pull/2142))
+- Added required `url` prop to `breadcrumbs` in `Page` component examples ([#2182](https://github.com/Shopify/polaris-react/pull/2182))
+- Fixed `ActionList` wrapping text within a `Popover` ([#2057](https://github.com/Shopify/polaris-react/pull/2057))
+- Fixed `Banner` spacing when inside of a section ([#2188](https://github.com/Shopify/polaris-react/pull/2188))
+- Fixed `Stack` so it doesn't add extra spacing between items in Safari ([#2195](https://github.com/Shopify/polaris-react/pull/2195))
+
 ## 2.8.0 - 2018-08-30
 
 ### Bug fixes

UNRELEASED.md

@@ -3,26 +3,3 @@
 Use [the changelog guidelines](https://git.io/polaris-changelog-guidelines) to format new entries. 💜
 
 ---
-
-### Enhancements
-
-- Updated date filter labels in resource list ([2185](https://github.com/Shopify/polaris-react/pull/2185))
-- Changed `placeholder` prop in `Select` to be the default selection ([#2115](https://github.com/Shopify/polaris-react/pull/2115))
-- Added a `loading` prop to `ResourceList` that places a spinner overtop items and disables bulk actions ([#1922](https://github.com/Shopify/polaris-react/pull/1922))
-
-### Documentation
-
-- Clarified when and how to use icons in the banner component ([#2106](https://github.com/Shopify/polaris-react/pull/2106))
-- Updated footer help component guidelines to include content instructions for app developers ([#2023](https://github.com/Shopify/polaris-react/pull/2023#pullrequestreview-150272766))
-
-### Bug fixes
-
-- Resource list component correctly handles inclusive filter keys ([#2189](https://github.com/Shopify/polaris-react/pull/2189))
-- Date field in DateSelector now does not render an error when date is added by the date picker and field is blurred ([#2180](https://github.com/Shopify/polaris-react/pull/2180))
-- Fixed pagination from firing keypress events while focus is inside inputs or contenteditables ([#1900](https://github.com/Shopify/polaris-react/pull/1900))
-- Fixed `EmptyState` horizontally scrolling when fully condensed ([#2062](https://github.com/Shopify/polaris-react/pull/2062))
-- Fixed the bottom margin of elements inside `Page` being ignored in some browsers ([#2142](https://github.com/Shopify/polaris-react/pull/2142))
-- Added required `url` prop to `breadcrumbs` in `Page` component examples ([#2182](https://github.com/Shopify/polaris-react/pull/2182))
-- Fixed `ActionList` wrapping text within a `Popover` ([#2057](https://github.com/Shopify/polaris-react/pull/2057))
-- Fixed `Banner` spacing when inside of a section ([2188](https://github.com/Shopify/polaris-react/pull/2188))
-- Fixed `Stack` so it doesn't add extra spacing between items in Safari ([#2195](https://github.com/Shopify/polaris-react/pull/2195))