v5.0.0rc2

Find out more about the RC process on our Forum: https://community.plotly.com/t/plotly-py-5-0-is-coming-soon-try-the-release-candidate-today/53470

Updated

• Updated Plotly.js to version 2.0.0. See the plotly.js 2.0.0 CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:
  • new marker.pattern options for bar-like trace types
  • dropped support for IE9 and IE10
  • dropped support for long-deprecated graph_objects like area traces and scatter.(t|r) and layout.(radial|angular)axis attributes
  • deprecated heatmapgl, pointcloud traces as well as all transform attributes
• Combined plotlywidget into jupyterlab-plotly and packaged them as a federated extension #3142 with massive thanks to @fcollonval for the contribution
• Plotly.js CDN url will now be versioned by default for HTML exports using include_plotlyjs='cdn' and for "connected" renderers. #2961 with thanks to @adehad for the contribution
• Dropped support for Python older than 3.6 #3160
• Recommending Kaleido by default over Orca #3094
• Replaced retrying dependency with tenacity #2911 with thanks to @jmsmdy for the contribution

Added

• New functions in plotly.colors: get_colorscale() and sample_colorscale() #3136 and #3186 with thanks to @CarlAndersson for the contributions
• Faster JSON encoding when orjson is present #2955

Fixed

• Pandas and Numpy datetime serialization fixes #3022
• Fixed selected points of histograms in FigureWidget #2771 with thanks to @meffmadd for the contribution