We’re pleased to announce that Dash 1.17.0 is out 
pip install dash==1.17.0
Dash 1.17.0 is a backwards compatible feature release that
- Add support for table header tooltips to the DataTable. See
![:new:]( ":new:")
documentation at https://dash.plotly.com/datatable/tooltips
- Add Julia syntax highlighting support for dcc.Markdown and the DataTable
- Update the
dcc.Graphcomponent to use Plotly.js 1.57.1, a perfect fit for the just-released Plotly.py 4.12 - Fix a bug causing the DataTable tooltips to be misaligned
- Fixes a bug causing
dcc.Slideranddcc.RangerSlidertooltips to be visible even if the slider component isn’t visible
documentation at View the Official Changelog
DataTable Tooltip Docs
We have brand new DataTable Tooltip documentation! Lots of examples and best practices in here, like:
Displaying a dotted underline to indicate that a tooltip exists
Embedding images within tooltips
Header tooltips
Tooltips with conditional formatting
dcc.Graph updates perfect for Plotly.py 4.12
We recommend updating the plotly module to version 4.12 for use with this version of Dash. See the Plotly.py 4.12 announcement for more details but here are some highlights:
-
![:straight_ruler:]( ":straight_ruler:")
Easy Labelled Horizontal and Vertical Lines and Rectangles -
![:triangular_ruler:]( ":triangular_ruler:")
Adding Line, Rectangles and Traces to Multiple Subplots at Once -
![:mag:]( ":mag:")
New xrefandyrefvalues forlayoutobjects -
![:spiral_calendar:]( ":spiral_calendar:")
Period positioning on dateaxes
Easy Labelled Horizontal and Vertical Lines and Rectangles
Adding Line, Rectangles and Traces to Multiple Subplots at Once
New 
Period positioning on Previous Releases
![:mega:]( ":mega:")
Dash 1.16.3 Released - Fixes Performance Degradation from Flask-Compress Dependency![:mega:]( ":mega:")
Dash 1.16.2 Released - Devtools & Callbacks Bug Fixes ![:mega:]( ":mega:")
Dash 1.16.1 Released - dcc.Graph prependData & Bug Fixes ![:mega:]( ":mega:")
Dash 1.16.0 - Brand New Debugging & Performance Tools, Improved Callback Graph, Date-Axis & Timeline Improvements, Faster Images, Content Security Policy, and Community Contributions ![:mega:]( ":mega:")
Dash v1.15.0 Released - Julia Components, Simplified Callback Syntax, Fixed Table Tooltips and Copy & Paste, fixed dcc.Loading styling ![:mega:]( ":mega:")
Dash v1.14.0 Released - Update the Tab’s Title, Removing the “Updating…” Messages, Updated DataTable Link Behavior![:mega:]( ":mega:")
Dash v1.13.4 Release: Fixes regression with loading states from callbacks with multiple outputs ![:mega:]( ":mega:")
Dash v1.13.3 Release: Improved performance, clientside callback_context, many dcc.Graph & DataTable bug fixes![:mega:]( ":mega:")
Dash v1.12.0 Release - Pattern-Matching Callbacks Fixes, Shape-drawing, new DataTable conditional formatting options, prevent_initial_call, and more ![:mega:]( ":mega:")
Dash v1.11.0 Release - Introducing Pattern-Matching Callbacks![:mega:]( ":mega:")
Dash v1.10.0 Release - New dcc.Graph features, updated dcc.Link, React upgrade and bug fixes![:mega:]( ":mega:")
Dash v1.9.0 release - Bug fixes![:mega:]( ":mega:")
Dash v1.8.0 release - dcc.Graph updates, markdown & link support in DataTable, and more![:mega:]( ":mega:")
Dash v1.7.0 released - Async component fixes, inline clientside callbacks, and bug fixes ![:mega:]( ":mega:")
Dash 1.6.0 released - dcc.Graph updates, async performance improvements, improved caching
Dash 1.16.3 Released - Fixes Performance Degradation from Flask-Compress Dependency1 post - 1 participant