v6.3.1

Updated

• Update Plotly.js from version 3.1.0 to version 3.1.1. See the Plotly.js release notes for more information. [#5357]. Notable changes include:
  • Fix issue preventing Scattergl plots with text elements from rendering [plotly.js#7563]
• Use native legends when converting from matplotlib [#5312], with thanks to @robertoffmoura to the contribution!
• Allow shared_yaxes to work with secondary axes [#5180], with thanks to @gmjw for the contribution!

Fixed

• Fix issue where width/height in plot layout were not respected during Kaleido image export [#5325]
• Fix typo in default argument to _ternary_contour.py [#5315], with thanks to @Lexachoc for the contribution!
• Fix incorrect fig.show() behavior when ipython is installed [#5258]

Full Changelog: v6.3.0...v6.3.1

v6.3.0

Updated

• Updated Plotly.js from version 3.0.1 to version 3.1.0. See the plotly.js release notes for more information. [#5318]

Added

• Exposed plotly.io.get_chrome() as a function which can be called from within a Python script. [#5282]

Fixed

• Resolved issue causing extraneous engine deprecation warnings [#5287], with thanks to @jdbeel for the contribution!

v6.2.0

Added

• Add SRI (Subresource Integrity) hash support for CDN script tags when using include_plotlyjs='cdn'. This enhances security by ensuring browser verification of CDN-served plotly.js files [#5165] (with thanks to @ddworken)

Fixed

• Allow setting Plotly.js path via pio.defaults [#5207]

Changed

• Refactor validation code to reduce bundle size [#5214] (with thanks to @bmaranville)
• Add deprecation warnings when using Kaleido v0 or deprecated image export features [#5177]

v6.1.2

Fixed

• Fix type checking and code highlighting for graph_objects classes [#5199]

v6.1.1

Fixed

• Prevent swallowing of ValueError when creating a figure with subplots [#3888]
• Fix issue causing fig.write_image() to not generate an image [#5193]

v6.1.0

Updated

• Add support for Kaleido>=v1.0.0 for image generation [#5062, #5177]
• Reduce package bundle size by 18-24% via changes to code generation [#4978]

Fixed

• Fix third-party widget display issues in v6 [#5102]
• Add handling for case where jupyterlab or notebook is not installed [#5104]
• Fix issue causing Plotly.js script to be embedded multiple times in Jupyter notebooks [#5112]
• Re-add MIME renderer JupyterLab extension with JupyterLab 4 support to reduce file sizes for offline notebooks [#5096]
• Fix issue preventing plots from rendering in HTML notebook export when using 'vscode+notebook' renderer [#5154]

v6.1.0rc0

Updated

• Add support for Kaleido>=v1.0.0 for image generation, and deprecate support for Kaleido<1 and Orca [#5062]
• Reduce package bundle size by 18-24% via changes to code generation [#4978]

Fixed

• Fix third-party widget display issues in v6 [#5102]
• Add handling for case where jupyterlab or notebook is not installed [#5104]
• Fix issue causing Plotly.js script to be embedded multiple times in Jupyter notebooks [#5112]
• Re-add MIME renderer JupyterLab extension with JupyterLab 4 support to reduce file sizes for offline notebooks [#5096]
• Fix issue preventing plots from rendering in HTML notebook export when using 'vscode+notebook' renderer [#5154]

v6.1.0b0

Updated

• Add support for Kaleido >= v1.0.0 for image generation, and deprecate support for Kaleido<1 and Orca [#5062]

Fixed

• Fix third-party widget display issues in v6 [#5102]
• Add handling for case where jupyterlab or notebook is not installed [#5104]
• Fix issue causing Plotly.js script to be embedded multiple times in Jupyter notebooks [#5112]

v6.0.1

Updated

• Updated Plotly.js from version 3.0.0 to version 3.0.1. See the plotly.js CHANGELOG for more information.

Fixed

• Fix TypeError when using orjson to serialize pandas.NA [#5040].
• Fix issue where using category_orders on px.pie raised ColumnNotFoundError [#5000].
• Fix incorrect DeprecationWarning shown when creating a px chart [#5080, #5086]

v6.0.0

[6.0.0] - 2025-01-28

Added

• Add plotly[express] extra for easily installing Plotly Express dependencies [#4644]
• Add subtitle attribute to all Plotly Express traces [#4830].

Removed

• Drop deprecated pointcloud and heatmapgl traces from the API [#4815]
• Drop tenacity dependency [#4831]
• Drop support for Jupyter Notebook version 6 and earlier [#4822]. The minimum supported version is now 7.0.0.

Updated

• Update Plotly.js from version 2.34.2 to version 3.0.0 See the plotly.js CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:
  • Make offsetgroup work with barmode "stacked" and "relative" for bar traces [#7009]
  • Drop support for deprecated attributes titlefont, titleposition, titleside, and titleoffset [#7212].
  • Drop deprecated pointcloud and heatmapgl traces and gl2d subplots [#7213]
  • Drop support for deprecated bardir attribute (use orientation instead) [#7214]
  • Drop support for deprecated annotation.ref attribute (use annotation.xref and annotation.yref instead) [#7215]
  • Drop support for deprecated error bar opacity attribute (use alpha channel of error bar color attribute instead) [#7214]
  • Drop support for deprecated attribute gl3d.cameraposition (use gl3d.camera instead) [#7217]
  • Drop deprecated plot3dPixelRatio from config [#7231]
  • Drop deprecated zauto, zmin and zmax from the surface trace [#7234]
  • Drop deprecated autotick attributes from cartesian axes [#7236]
  • Drop transforms from the API [#7240, #7254]
• Deprecate Mapbox-based traces.[#4900]. See the MapLibre Migration page for details on migrating from Mapbox to Maplibre.
• Update plotly.py to use base64 encoding of typed arrays e.g. numpy in plotly JSON to keep precision intact and improve performance [#4470].
• Make plotly-express dataframe agnostic via Narwhals [#4790].
• Update go.FigureWidget to use anywidget [#4823]
• Use modern native ES6 import to load plotly.js bundle instead of requirejs which is no longer under active development [#4736]

Fixed

• Fix a bug in JupyterLab >= 4 and Jupyter Notebook >= 7 that caused LaTeX to not render in plotly charts [#4763].
• Fix go.FigureWidget.show to return FigureWidget instead of displaying Figure [#4869]