v4.5.3

Updated

• Removed development dependency on nose testing framework #2217

Fixed

• JupyterLab extension now compatible with JupyterLab 2.0 #2245 with thanks to @consideRatio for the contribution!

v4.5.2

Fixed

• Fix build errors in JupyterLab extension by pinning version of @types/plotly.js #2223

v4.5.1

Updated

• Updated Plotly.js to version 1.52.2. See the plotly.js CHANGELOG for more information on bug fixes.

Fixed

• update_annotations, update_shapes and update_layout_images now no longer require the patch argument, as per the docstring #2167
• px.defaults no longer accepts arbitrary keys #2168
• better error message when pandas is not installed #2125
• support columns of numerical type in path argument of px.sunburst/px.treemap and add values of color column in hoverlabel for px.sunburst/px.treemap #2133

v4.5.0

[4.5.0] - 2020-01-22

Updated

• Updated Plotly.js to version 1.52.1. See the plotly.js CHANGELOG for more information on numerous new attribute and bug fixes.
• Plotly Express uses the new legend.title attribute and so now has shorter trace names #2051
• The heuristic used by px.parallel_categories to determine which columns of the data frame to draw has been changed and made more configurable with the dimensions_max_cardinality argument #2102
• The simple_white colorbar styling has been streamlined #2110
• The jupyterlab-plotly and plotlywidget JupyterLab extensions should now share code when installed together, resulting in smaller JupyterLab vendor bundle sizes #2103

Fixed

• Plotly Express category_orders are now respected independent of the contents of the data set #2084
• go.Scattergl symbols now accept numeric specification #1928
• px.scatter trendline coefficients are now more readable #1984
• Built-in cyclical color scales now all have identical start and end points #2016

Added

• px.sunburst and px.treemap now accept a path argument for passing
  columns of a rectangular dataframe to build the charts #2006
• px.choropleth now accepts a user-supplied geojson attribute #2057
• px.choropleth and px.choropleth_mapbox now accept featureidkey to specify the GeoJSON field to use to match locations #2057
• px.choropleth and px.choropleth_mapbox now accept discrete color #2057
• px.bar_polar now accepts continuous color #2017
• New layout.uniformtext attribute allows for automatic standardization of font sizes across bar-like and hierarchical traces. See the plotly.js CHANGELOG for more information

v4.4.1

[4.4.1] - 2019-12-10

Fixed

• Fixed improper JSON encoding exception when the pillow module not installed #1993

v4.4.0

[4.4.0] - 2019-12-10

Added

• Extended the plotly.express functional API with 7 new functions: px.pie,
  px.sunburst, px.treemap, px.funnel, and px.funnel_area (#1909) px.density_mapbox and
  px.choropleth_mapbox #1937.
• plotly.express mapbox functions in plotly.express have new arguments center and mapbox_style #1937.
• plotly.express polar plots (scatter_polar, line_polar, bar_polar) now
  have a range_theta keyword argument for representing only an angular
  section #1969.
• All continuous colorscales now accept a _r suffix that reverses their direction #1933
• Docstrings of plotly.py are now doctested #1921.

Updated

• Updated Plotly.js to version 1.51.2. See the
  plotly.js CHANGELOG
  for more information
• The tutorials of the plotly.py documentation are
  now in the main plotly.py Github repository. Contributions in order to improve or extend the documentation are very welcome!
• plotly.express generated plots no longer have a default height of 600 pixels, instead they inherit the default height of regular figures #1990. To restore the old behavior, set px.defaults.height=600 once per session, or set the height keyword arguement to any px.function() to 600.

Fixed

• Fixed a plotly.express input bug when using data frame indices#1934
• Fixed how to display facet labels with plotly express #1966
• Fixed a bug to use correctly the zmin/zmax parameter in px.imshow for single-channel images #1981
• Clipped docstring width for better display in Jupyterlab #1939. Thank you @joelostblom!
• Fixed a bug in the case of external orca server #1915 thank you @dev-dsp!

v4.3.0

[4.3.0] - 2019-11-11

Updated

• Updated Plotly.js to version 1.51.1. See the
  plotly.js CHANGELOG
  for more information
• Improved propagation of empty templates (#1892)
• Update the add_annotations/add_shapes/add_images methods to no longer default to adding objects in paper coordinates. This allows plotly.js to determine the default reference frame based on context (#1888)
• Use the default template's background color for displaying color swatches (#1872). Special thanks to @joelostblom for this contribution!
• Improved docstrings (#1835, #1837)

Added

• Added image trace type (plotly.js#4289, plotly.js#4307, plotly.js#4313, plotly.js#4319)
• Added matplotlib-style plotly.express.imshow convenience function to display images and heatmaps (#1855, #1885)
• Added matplotlib-style simple_white template (#1864). Special thanks to @joelostblom for this contribution.
• Added support for using an externally managed orca server for image export features (#1850). Special thanks to @miriad for this contribution.
• Added facet wrapping support to plotly express functions using the new facet_col_wrap argument (#1838)

v4.2.1

[4.2.1] - 2019-10-18

Fixed

• Fixed regression in 4.2.0 that caused all figure factories to require that scikit-image be installed (#1832)

v4.2.0

[4.2.0] - 2019-10-16

Updated

• Updated Plotly.js to version 1.50.1. See the plotly.js CHANGELOG for more information

Added

• Added treemap trace type (plotly.js#4185, plotly.js#4219, plotly.js#4227, plotly.js#4242)
• Added add_*/select_*/for_each_*/update_* convenience figure methods for annotations, shapes, and images (#1817)
• Added overwrite kwarg to update* figure methods to fully replace property values, rather than update them recursively (#1726)
• Added texttemplate attribute to all traces that support on-graph text (plotly.js#4071, plotly.js#4179)
• Added date custom formatting in hovertemplate and texttemplate e.g. '%{x|%b %-d, %Y}' (plotly.js#4071)
• Added transition support to bar trace length, width, on-graph text positioning, marker style and error bars (plotly.js#4180, plotly.js#4186)
• Added support for legend scrolling via touch interactions (plotly.js#3873, plotly.js#4214)

Fixed

• Fixed iframe renderer on Python 2 (#1822)
• Fixed use of merged templates in plotly.express (#1819)

v4.1.0

Updated

• Updated Plotly.js to version 1.49.1. See the plotly.js CHANGELOG for more information.
• Bars in the figures produced by the create_gantt figure factory may now be hidden by clicking on the legend (#1665). Special thanks to @csabaszan for this contribution!
• Improved performance when serializing figures containing large numpy arrays (#1690). Special thanks to @miriad for this contribution!

Added

• Added new renderers for displaying figures from within the Databricks and CoCalc notebook services (#1703)
• Added indicator traces (plotly/plotly.js#3978)
• Added choroplethmapbox traces (plotly/plotly.js#3988)
• Added densitymapbox traces (plotly/plotly.js#3993)
• Added new mapbox style values: open-street-map, carto-positron, carto-darkmatter,
  stamen-terrain, stamen-toner, stamen-watercolor and white-bg
  that do not require a Mapbox access token (plotly/plotly.js#3987, plotly/plotly.js#4068)
• Added support for sourcetype value raster and image and type raster
  for mapbox layout layers (plotly/plotly.js#4006)
• Added below attribute to scattermapbox traces (plotly/plotly.js#4058)
• Added support for below: 'traces' in mapbox layout layers (plotly/plotly.js#4058)
• Added sourceattribution attribute to mapbox layout layers (plotly/plotly.js#4069)
• Added labelangle and labelside attributes to parcoords traces (plotly/plotly.js#3966)
• Added doubleClickDelay config option (plotly/plotly.js#3991)
• Added showEditInChartStudio config option (plotly/plotly.js#4061)

Fixed

• Fixed incorrect facet row ordering in figures generated by plotly.express functions (plotly/plotly_express#129)
• Fixed "The truth value of an array with more than one element is ambiguous" error when specifying subplot titles as numpy array of strings (#1685). Special thanks to @MrQubo for this contribution!
• The line_3d plotly express function was not visible by default when importing * from plotly.express (#1667)