Async Slider and RangeSlider (plotly#739)

Author: Marc-Andre-Rivet

Diff for: packages/dash-core-components/CHANGELOG.md

@@ -3,10 +3,14 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
-
 ### Changed
+- [#739](https://github.com/plotly/dash-core-components/pull/739) Async Slider and RangeSlider
 - [#729](https://github.com/plotly/dash-core-components/pull/729) Handle case where dcc fails to load when used inside an iframe with a sandbox attribute that only has allow-scripts
 
+### Fixed
+- [#730](https://github.com/plotly/dash-core-components/pull/730) Fixed bug in which input components with type `number` did not correctly update their values.
+- [#731](https://github.com/plotly/dash-core-components/pull/731) Fixed bug where non-clearable dropdowns could still be cleared by typing backspace
+
 ## [1.7.1] - 2020-01-15 (JS-only)
 ### Fixed
 - [#734](https://github.com/plotly/dash-core-components/pull/734) Fix JS-facing release bug where `Plotly.js` was listed in `devDependencies` instead of `dependencies`
@@ -19,10 +23,6 @@ This project adheres to [Semantic Versioning](http://semver.org/).
   - Added responsiveness on graph parent element resize (previously only worked on window.resize)
   - Added new `dash-graph--pending` class to dcc.Graph, present while resizing, (re-)rendering, loading
 
-### Fixed
-- [#730](https://github.com/plotly/dash-core-components/pull/730) Fixed bug in which input components with type `number` did not correctly update their values.
-- [#731](https://github.com/plotly/dash-core-components/pull/731) Fixed bug where non-clearable dropdowns could still be cleared by typing backspace
-
 ### Changed
 - [#723](https://github.com/plotly/dash-core-components/pull/723) Changed npm package content to allow source code inclusion from other projects
 - [#725](https://github.com/plotly/dash-core-components/pull/725) Improve async graph performance by parallelizing resource fetching instead of fetching sequentially

Diff for: packages/dash-core-components/dash_core_components_base/__init__.py

@@ -45,6 +45,7 @@
     'graph',
     'highlight',
     'markdown',
+    'slider',
     'upload'
 ]