Add Object.is (#2719)

CHANGELOG.md

@@ -75,9 +75,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 -  Fixes [#2700](https://github.com/microsoft/BotFramework-WebChat/issues/2700). Enable `<SayComposer>` and Adaptive Cards in recompose story, in PR [#2649](https://github.com/microsoft/BotFramework-WebChat/pull/2649)
    -  Moved `<SayComposer>` from `<BasicTranscript>` to `<Composer>`
    -  Moved WebSpeechPonyfill patching code from `<BasicTranscript>` to `<Composer>`
--  Fixes [#2699](https://github.com/microsoft/BotFramework-WebChat/issues/2699). Disable speech recognition and synthesis when using Direct Line Speech under IE11, in PR [#2649](https://github.com/microsoft/BotFramework-WebChat/pull/2649)
--  Fixes [#2709](https://github.com/microsoft/BotFramework-WebChat/issues/2709). Reduce wasted render of activities by memoizing partial result of `<BasicTranscript>`, in PR [#2710](https://github.com/microsoft/BotFramework-WebChat/pull/2710)
--  Fixes [#2710](https://github.com/microsoft/BotFramework-WebChat/issues/2710). Suggested actions container should persist for AT, by [@corinagum](https://github.com/corinagum) in PR [#2710](https://github.com/microsoft/BotFramework-WebChat/pull/2710
+-  Fixes [#2699](https://github.com/microsoft/BotFramework-WebChat/issues/2699). Disable speech recognition and synthesis when using Direct Line Speech under IE11, by [@compulim](https://github.com/compulim), in PR [#2649](https://github.com/microsoft/BotFramework-WebChat/pull/2649)
+-  Fixes [#2709](https://github.com/microsoft/BotFramework-WebChat/issues/2709). Reduce wasted render of activities by memoizing partial result of `<BasicTranscript>`, by [@compulim](https://github.com/compulim) in PR [#2710](https://github.com/microsoft/BotFramework-WebChat/pull/2710)
+-  Fixes [#2710](https://github.com/microsoft/BotFramework-WebChat/issues/2710). Suggested actions container should persist for AT, by [@corinagum](https://github.com/corinagum) in PR [#2710](https://github.com/microsoft/BotFramework-WebChat/pull/2710)
+-  Fixes [#2718](https://github.com/microsoft/BotFramework-WebChat/issues/2718). Add `Object.is` polyfill for IE11, by [@compulim](https://github.com/compulim) in PR [#2719](https://github.com/microsoft/BotFramework-WebChat/pull/2719)
 
 ### Changed
 

packages/bundle/src/index-es5.ts

@@ -13,6 +13,7 @@ import 'core-js/features/dom-collections';
 import 'core-js/features/math/sign';
 import 'core-js/features/number/is-finite';
 import 'core-js/features/object/assign';
+import 'core-js/features/object/is';
 import 'core-js/features/object/values';
 import 'core-js/features/promise';
 import 'core-js/features/promise/finally';