v5.8.0

See the full release announcement on the forum at https://community.plotly.com/t/announcing-plotly-py-5-8-0-better-autocompletions-with-type-hints-minor-ticks/64002 !

Fixed

• Improve support for type checking and IDE auto-completion by bypassing lazy-loading when type checking. #3425 with thanks to @JP-Ellis
• line dash-style validators are now correctly used everywhere so that values like 10px 2px are accepted #3722
• Resolved various deprecation warning messages and compatibility issues with upstream dependencies and Python 3.11, plus removed dependency on six, with thanks to @maresb, @hugovk, @tirkarthi, @martinRenou, and @BjoernLudwigPTB
• Better support for MathJax 3 #3706

Added

• Type annotations for Plotly Express functions and chainable go.Figure methods, for better IDE auto-completion #3708

Updated

• Updated Plotly.js to from version 2.11.1 to version 2.12.1. See the plotly.js CHANGELOG for more information. Notable changes include:
  • Add minor ticks to cartesian axes
  • Add griddash option to most axes

v5.7.0

See the full release announcement here: https://community.plotly.com/t/announcing-plotly-py-5-7-0-text-on-histograms-and-heatmaps-patterns-on-areas-plotly-js-version-number-access-smith-charts/62735

Added

• added pattern_shape options to px.area() #3668

Updated

• Updated Plotly.js to from version 2.9.0 to version 2.11.1. See the plotly.js CHANGELOG for more information. Notable changes include:
  • Add fillpattern options to scatter trace
  • Various JS-specific improvements such as MathJax 3.0 support

v5.6.0

Updated

• Updated Plotly.js to from version 2.8.3 to version 2.9.0. See the plotly.js CHANGELOG for more information. Notable changes include:
  • Implement ticklabelstep to reduce labels on cartesian axes and colorbars
  • Display the version of plotly.js when hovering over the modebar

v5.5.0

Added

• text_auto argument to px.bar, px.histogram, px.density_heatmap, px.imshow #3518
• Deprecated ff.create_annotated_heatmap, ff.create_county_choropleth, ff.create_gantt #3518
• div_id argument to pio.to_html, pio.write_html, fig.to_html and fig.write_html to optionally make its IDs deterministic #3487 with thanks to @Skn0tt

Fixed

• Fixed ValueError when ff.create_annotated_heatmap passes rgba() colors into to_rgb_color_list #3478 with thanks to @janosh

Updated

• Updated Plotly.js to from version 2.6.3 to version 2.8.3. See the plotly.js CHANGELOG for more information. Notable changes include:
  • Horizontal color bars
  • texttemplate for histogram-like and heatmap-like traces

v5.4.0

Fixed

• Fixed error when serializing dict with mix of string and non-string keys #3380

Updated

• The JSON serialization engines no longer sort their keys #3380
• Updated Plotly.js to from version 2.4.2 to version 2.6.3. See the plotly.js CHANGELOG for more information. Notable changes include:
  • New subplot type smith that supports scattersmith trace types for visualizing data in the complex domain
  • Changes to Plotly.js packaging

v5.3.1

Updated

Updated Plotly.js to from version 2.4.1 to version 2.4.2. See the plotly.js CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:

• Bug fix for rendering unified hover labels in classic Jupyter Notebooks

v5.3.0

• Updated Plotly.js to from version 2.3.1 to version 2.4.1. See the plotly.js CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:
  • Added legend.groupclick options
  • Provide bbox of hover items in event data

v5.2.2

Fixed

• Fixed error when using the orjson engine with non-string keys #3351

v5.2.1

See the full release announcement here: https://community.plotly.com/t/announcing-plotly-py-5-2-1-trendlines-ecdf-plots-markers-on-lines-sharper-webgl-legend-group-titles/55681

Updated

• Updated Plotly.js to from version 2.2.0 to version 2.3.1. See the plotly.js CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:
  • new projections in geo subplots from a more recent version of d3-geo
  • new number-formatting directives from a more recent version of d3-format
  • Improve rendering of scattergl, splom and parcoords by implementing plotGlPixelRatio for those traces
  • performance improvements and bug fixes

Added

• Extra flags were added to the gapminder and stocks dataset to facilitate testing, documentation and demos #3305
• All line-like Plotly Express functions now accept markers argument to display markers, and all but line_mapbox accept symbol to map a field to the symbol attribute, similar to scatter-like functions #3326
• px.scatter and px.density_contours now support new trendline types 'rolling', 'expanding' and 'ewm' #2997
• px.scatter and px.density_contours now support new trendline_options argument to parameterize trendlines, with support for constant control and log-scaling in 'ols' and specification of the fraction used for 'lowess', as well as pass-through to Pandas for 'rolling', 'expanding' and 'ewm' #2997
• px.scatter and px.density_contours now support new trendline_scope argument that accepts the value 'overall' to request a single trendline for all traces, including across facets and animation frames #2997
• A new px.ecdf() function for Empirical Cumulative Distribution Functions #3330

Fixed

• Fixed regression introduced in version 5.0.0 where pandas/numpy arrays with dtype of Object were being converted to list values when added to a Figure (#3292, #3293)
• Better detection of Chrome and Chromium browsers in the Renderers framework, especially on Linux (#3278) with thanks to @c-chaitanya for the contribution

v5.1.0

• Updated Plotly.js from version 2.1.0 to version 2.2.0. See the plotly.js CHANGELOG for more information. These changes are reflected in the auto-generated plotly.graph_objects module. Notable changes include:
  • new <trace>.legendgrouptitle attribute for legend group titles
  • new %h text formatting directive for half-years
  • performance improvements and bug fixes