We’re pleased to announce that Dash 1.20.0 is out 
pip install dash==1.20.0
Dash 1.20.0 is backwards compatible feature release:
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Download Component
Adds a newdcc.Downloadcomponent along with several utility functions for preparing the data in a download-ready format. Many thanks to @emilhe for the contribution!Using the Download component is a much better alternative than using the flask download route as you can set the download data dynamically based off of other inputs on the page.
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Updates the format of docstrings to make them easier to read. Many thanks to @AnnMarieW for the contribution!
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Adds
allowandreferrerPolicytohtml.Iframe. Thanks again to @AnnMarieW for the contribution! -
Fixes the z-index of the Dash Debug menu to be compatible with Dash Bootstrap Components. Thanks to @tcbegley for the contribution!.
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Sets
autoCompleteto off by default in thedcc.Dropdown. Thanks to @AnnMarieW for the contribution! -
Fixes a bug in
dcc.DatePickerRangeformin_date_allowedandmax_date_allowed. Thanks to @ravij3 for the contribution! -
Fixes a typo in
dcc.EnhancedTab. Thanks @ivanna-sotrovets for the contribution!
Thank you to all of our community contibutors!
Previous Releases
Dash 1.19.0 - Circular Callbacks, drag_valueindcc.Slider, Close Button in Dev Tools, dcc.Graph Bug Fixes- Dash 1.18.1 Release - Faceted and Animated Images and Heatmaps, DataTable Bootstrap Support, Inside Tick Labels, Better Axis Type Detection
- Dash 1.17.0 Released - DataTable Header Tooltips, dcc.Graph Subplot images, shapes, and annotations, and several bug fixes
- Dash 1.16.3 Released - Fixes Performance Degradation from Flask-Compress Dependency
- Dash 1.16.2 Released - Devtools & Callbacks Bug Fixes
- Dash 1.16.1 Released - dcc.Graph prependData & Bug Fixes
- Dash 1.16.0 - Brand New Debugging & Performance Tools, Improved Callback Graph, Date-Axis & Timeline Improvements, Faster Images, Content Security Policy, and Community Contributions
- Dash v1.15.0 Released - Julia Components, Simplified Callback Syntax, Fixed Table Tooltips and Copy & Paste, fixed dcc.Loading styling
- Dash v1.14.0 Released - Update the Tab’s Title, Removing the “Updating…” Messages, Updated DataTable Link Behavior
- Dash v1.13.4 Release: Fixes regression with loading states from callbacks with multiple outputs
- Dash v1.13.3 Release: Improved performance, clientside callback_context, many dcc.Graph & DataTable bug fixes
- Dash v1.12.0 Release - Pattern-Matching Callbacks Fixes, Shape-drawing, new DataTable conditional formatting options, prevent_initial_call, and more
- Dash v1.11.0 Release - Introducing Pattern-Matching Callbacks
- Dash v1.10.0 Release - New dcc.Graph features, updated dcc.Link, React upgrade and bug fixes
- Dash v1.9.0 release - Bug fixes
- Dash v1.8.0 release - dcc.Graph updates, markdown & link support in DataTable, and more
- Dash v1.7.0 released - Async component fixes, inline clientside callbacks, and bug fixes
- Dash 1.6.0 released - dcc.Graph updates, async performance improvements, improved caching