Docs: Update all changelogs related to this PR

packages/a11y/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.1.0 (2018-07-12)
 
 ### New feature

packages/api-fetch/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/autop/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.1.0 (2018-07-12)
 
 ### New Feature

packages/babel-plugin-import-jsx-pragma/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 1.1.0 (Unreleased)
+
+### New Feature
+
+- Plugin updated to work with the stable version of Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).

packages/babel-plugin-makepot/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.1.0 (Unreleased)
+
+### New Feature
+
+- Plugin updated to work with the stable version of Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).
+
 ## 2.0.0 (2018-07-12)
 
 ### Breaking Change

packages/babel-preset-default/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.1.0 (Unreleased)
+
+### New Feature
+
+- Plugin updated to work with the stable version of Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).
+
 ## 2.0.0 (2018-07-12)
 
 ### Breaking Change

packages/blob/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/block-library/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/blocks/CHANGELOG.md

@@ -1,8 +1,9 @@
-## v3.0.0 (Unreleased)
+## 3.0.0 (Unreleased)
 
 ### Breaking Change
 
 - The `isSharedBlock` function is removed. Use `isReusableBlock` instead.
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
 
 ### Deprecations
 

packages/components/CHANGELOG.md

@@ -1,5 +1,6 @@
-## v3.0.0 (Unreleased)
+## 3.0.0 (Unreleased)
 
 ### Breaking Change
 
-- `withAPIData` has been removed. Please use the Core Data module or `@wordpress/api-fetch` directly instead.
+- `withAPIData` has been removed. Please use the Core Data module or `@wordpress/api-fetch` directly instead.
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/compose/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/core-data/CHANGELOG.md

@@ -1,4 +1,4 @@
-## v2.0.0 (Unreleased)
+## 2.0.0 (Unreleased)
 
 ### Breaking Change
 
@@ -7,4 +7,5 @@
 - `select("core").getTerms` has been deprecated. Please use `select("core").getEntityRecords` instead.
 - `select("core").getCategories` has been deprecated. Please use `select("core").getEntityRecords` instead.
 - `wp.data.select("core").isRequestingCategories` has been deprecated. Please use `wp.data.select("core/data").isResolving` instead.
-- `select("core").isRequestingTerms` has been deprecated. Please use `select("core").isResolving` instead.
+- `select("core").isRequestingTerms` has been deprecated. Please use `select("core").isResolving` instead.
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/data/CHANGELOG.md

@@ -1,7 +1,8 @@
-## v2.0.0 (Unreleased)
+## 2.0.0 (Unreleased)
 
 ### Breaking Change
 
 - The `withRehdyration` function is removed. Use the persistence plugin instead.
 - The `loadAndPersist` function is removed. Use the persistence plugin instead.
 - `restrictPersistence`, `setPersistenceStorage` and  `setupPersistence` functions have been removed. Please use the data persistence plugin instead.
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/date/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/deprecated/CHANGELOG.md

@@ -1,4 +1,8 @@
-## 1.1.0 (Unreleased)
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
 
 ### New Feature
 

packages/dom-ready/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.1.0 (2018-07-12)
 
 ### New Feature

packages/dom/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/editor/CHANGELOG.md

@@ -14,3 +14,4 @@
 - `isFetchingSharedBlock` selector has been removed. Use `isFetchingReusableBlock` instead.
 - `getSharedBlocks` selector has been removed. Use `getReusableBlocks` instead.
 - `editorMediaUpload` has been removed. Use `mediaUpload` instead.
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/element/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/hooks/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.2.0 (2018-07-12)
 
 ### New Feature

packages/html-entities/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/i18n/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.2.0 (2018-07-12)
 
 ### New Feature

packages/keycodes/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/nux/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/plugins/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/redux-routine/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/shortcode/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/token-list/CHANGELOG.md

@@ -1,3 +1,3 @@
-## v1.0.0 (Unreleased)
+## 1.0.0 (Unreleased)
 
 - Initial release

packages/token-list/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@wordpress/token-list",
-	"version": "1.0.0",
+	"version": "1.0.0-beta.0",
 	"description": "Constructable, plain JavaScript DOMTokenList implementation, supporting non-browser runtimes.",
 	"author": "The WordPress Contributors",
 	"license": "GPL-2.0-or-later",

packages/url/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/viewport/CHANGELOG.md

@@ -0,0 +1,5 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.

packages/wordcount/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.0.0 (Unreleased)
+
+### Breaking Change
+
+- Change how required built-ins are polyfilled with Babel 7 ([#9171](https://github.com/WordPress/gutenberg/pull/9171)).  If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using [core-js](https://github.com/zloirock/core-js) or [@babel/polyfill](https://babeljs.io/docs/en/next/babel-polyfill) will add support for these methods.
+
 ## 1.1.0 (2018-07-12)
 
 ### New Feature