Updated DevTools CHANGELOG for upcoming changes

packages/react-devtools/CHANGELOG.md

@@ -7,7 +7,23 @@
   </summary>
 
   <!-- Upcoming changes go here -->
+#### Features
+* Improved appended component stacks for third party warnings to be more like native ([bvaughn](https://github.com/bvaughn) in [#18656](https://github.com/facebook/react/pull/18656))
+* Improve inline search results by highlighting match on HOC badge ([bl00mber](https://github.com/bl00mber) in [#18802](https://github.com/facebook/react/pull/18802))
+* Add key badge to inspected element in right hand pane ([karlhorky]](https://github.com/karlhorky) in [#18737](https://github.com/facebook/react/pull/18737))
+* Improve Profiler snapshot selector drag-and-drop UX ([bl00mber](https://github.com/bl00mber) in [#18852](https://github.com/facebook/react/pull/18852))
+* Profiler tooltip now includes self duration to make it easier to scan times without requiring selection ([bvaughn](https://github.com/bvaughn) in [#18510](https://github.com/facebook/react/pull/18510))
+* Rendered by list also now highlights native elements on hover ([hristo-kanchev](https://github.com/hristo-kanchev) in [#18479](https://github.com/facebook/react/pull/18479))
 
+#### Bugfix
+* Fix Profiler bug "_Could not find commit data for root_" by resetting selected node on root change ([bl00mber](https://github.com/bl00mber) in [#18880](https://github.com/facebook/react/pull/18880))
+* Add `imported` flag to Profiling data to more reliably differentiate between imported and session data ([bl00mber](https://github.com/bl00mber) in [#18913](https://github.com/facebook/react/pull/18913))
+* Disable Profiler filtering to avoid edge case runtime error "_Cannot read property 'duration' of undefined_" ([bvaughn](https://github.com/bvaughn) in [#18862](https://github.com/facebook/react/pull/18862))
+* Fix Profiler bug "_cannot read property 'memoizedState' of null_" ([bvaughn](https://github.com/bvaughn) in [#18522](https://github.com/facebook/react/pull/18522))
+* Whitespace search results highlighting bug fix ([bvaughn](https://github.com/bvaughn) in [#18527](https://github.com/facebook/react/pull/18527))
+* Improved confusing Profiler tooltip text for components that did not render ([bvaughn](https://github.com/bvaughn) in [#18523](https://github.com/facebook/react/pull/18523))
+* Fix edge case performance issue when highlight elements enabled ([Faelivrinx](https://github.com/Faelivrinx) in [#18498](https://github.com/facebook/react/pull/18498))
+* Disabled Webpack auto polyfill for `setImmediate` ([bvaughn](https://github.com/bvaughn) in [#18860](https://github.com/facebook/react/pull/18860))
 </details>
 
 ## 4.6.0 (March 26, 2020)