v3.5.0

[3.5.0] - 2019-01-04

Updated

• Updated Plotly.js to version 1.43.1. See the
  plotly.js CHANGELOG
  for more information.

Changed

• Plotly.js 1.43 converted title properties (e.g. layout.title) from
  strings into compound objects that contain the text as the text property
  along with new title placement attributes x, y, xref, yref, xanchor,
  yanchor and pad. Plotly.py 3.5.0 follows the new schema, but still
  supports specifying title as a string, in which case the string is assigned
  to the title.text property
  (#1302)
• Plotly.js 1.43 also moved existing title* properties
  (e.g. layout.titlefont) under the title object (e.g. layout.title.font).
  Plotly.py 3.5.0 follows the new schema, but still
  supports the legacy title* properties by mapping them to the corresponding
  title.* property
  (#1302)
• The update method on graph_objs now returns the updated object in order
  to support chaining multiple update operations together
  (#1379)
• The show_link option has been set to False by default in the offline
  plot and iplot functions. Now that the "send data to cloud" button has
  been disabled by default in plotly.js 1.43.0, no buttons/links will be
  displayed by default that result in data being sent off of the local machine
  (#1304)
• config options that are not known by plotly.py result in a warning but are
  still passed along to plotly.js. Prior to this change these unknown options
  were dropped silently
  (#1290)
• Built-in themes now specify colorscales using the new global
  layout.colorscale properties. Previously the colorscales were defined for
  each trace type individually. This reduces the size of the resulting theme
  files
  (#1303)
• Increased the maximum retry time of the orca integration from 8s to 30s
  (#1297)

Fixed

• Fixed FigureWidget performance regression that, when working with
  large datasets, resulted in a slight freeze of the widget after user
  interactions (pan, zoom, etc)
  (1305)
• Fix orca error when the ELECTRON_RUN_AS_NODE environment variable is set
  (#1293)
• The 'responsive' config key was being silently blocked
  (#1290)
• Fixed error when using unicode characters in string properties on Python 2
  (#1289)
• Removed invalid calls to non-existent validate and strip_style Figure
  methods in matplotlylib conversion logic
  (#1128)

v3.4.2

[3.4.2] - 2018-11-23

Fixed

• config options are now supported when using plotly.offline.iplot to
  display a figure in JupyterLab. Requires version 0.18.1 of the
  @jupyterlab/plotly-extension extension.
  (#1281, jupyterlab/jupyter-renderers#168)
• Custom plotly_domain values are now supported in FigureWidget in both
  the classic notebook and JupyterLab (#1284)

v3.4.1

[3.4.1] - 2018-11-09

Updated

• Updated Plotly.js to version 1.42.5. See the
  plotly.js CHANGELOG
  for more information.

Fixed

• Fixed histogram binning with pandas Series or numpy array
  (regression introduced in 3.4.0)
  (#1257,
  plotly/plotly.js#3211)
• Fixed incorrect validation error on the args property of
  layout.updatemenu.Button() when value is a list that starts with a list
  (#1265)
• Fixed deadlock causing plotly.io.write_image to hang on Windows after
  exporting more than ~25 images
  (#1255)
• Fixed plot display error for scattergl trace with mode='lines' and
  more than 100k points
  (#1271)
• Fixed responsive resizing error with iplot in the classic notebook
  (#1263)

v3.4.0

[3.4.0] - 2018-11-02

Updated

• Updated Plotly.js to version 1.42.2. Select highlights included below, see
  the plotly.js CHANGELOG for more information.

Added

• Default figure properties may now be customized using figure
  templates (themes) and 7 new predefined templates are bundled with
  plotly.py
  (#1224)
• Added Parallel Categories (parcats) trace type for the visualization
  of multi-dimensional categorical datasets
  (plotly/plotly.js#2963)
• Added LaTeX typesetting support for figures displayed in the Jupyter
  Notebook using plotly.offline.iplot and plotly.graph_objs.FigureWidget.
  Note: There are still outstanding issues with MathJax rendering in FireFox,
  but it is now working well in Chrome.
  (#1243)
• Added include_mathjax argument to plotly.offline.plot to support
  the creation of HTML files with LaTeX typesetting
  (#1243)
• Added new plotly.offline.get_plotlyjs function that returns the
  contents of the bundled plotly.js library as a string
  (#637,
  #1246)
• Added new plotly.offline.get_plotlyjs_version function that returns
  the version of the bundled plotly.js library
  (#1246)
• HTML div strings returned by plotly.offline.plot now contain logic
  to automatically resize the figure responsively. This logic was previously
  only added for html files.
  (#1043,
  #1234)
• Figures displayed using plotly.offline.iplot in the classic Jupyter
  Notebook will now resize responsively
  (#1234)
• Added 'cdn', 'directory', and path string include_plotlyjs options
  in plotly.offline.plot
  (#1234)
  • When 'cdn', the resulting html file/div includes a script tag reference
    to the plotlyjs cdn.
  • When 'directory', the resulting html file/div includes a script tag
    reference to a plotly.min.js bundle in the same directory as the html file.
    If output_type is 'file' then this plotly.min.js bundle is created in
    the output directory if it doesn't already exist.
  • When a string ending with '.js', the resulting html file/div includes
    a script tag that references this exact path. This can be used to point
    to a plotly.js bundle from an alternative CDN.
• Added a new color_threshold argument to the create_dendrogram figure
  factory to control the dendrogram clustering cutoff
  (#995,
  #1075,
  #1214)
• Added support for autorange='reversed' in 3D axes
  (#803,
  plotly/plotly.js#3141)
• Added new gl3d tick and title auto-rotation algorithm that limits text
  overlaps
  (plotly/plotly.js#3084,
  plotly/plotly.js#3131)
• Added modebar layout style attributes:
  orientation, bgcolor, color and activecolor
  (plotly/plotly.js#3068,
  plotly/plotly.js#3091)
• Added title, titleposition and titlefont attributes to pie traces
  (plotly/plotly.js#2987)
• Added hoverlabel.split attribute to ohlc and candlestick traces to
  split hover labels into multiple pieces
  (plotly/plotly.js#2959)
• Added support for line.shape values 'hv', 'vh', 'hvh'
  and 'vhv' in scattergl traces
  (plotly/plotly.js#3087)
• Added trace, node and link hoverinfo for sankey traces
  (#3096,
  #3150)
• Added per-sector textfont settings in pie traces
  (#3130)

Changed

• Use new Plotly logo in "Produced with Plotly" modebar button
  (plotly/plotly.js#3068)

Fixed

• Plotly's use of MathJax for LaTeX typesetting no longer interferes with
  the Jupyter Notebook's use of MathJax
  (#445,
  #360)
• Fixed several issues with the use of reversescale=True in the
  create_annotated_heatmap figure factory
  (#1251)
• Fixed case where plotly.offline.iplot would fail to render in the classic
  Jupyter Notebook if the notebook contained a Markdown headline with the text
  "Plotly"
  (#816)
• None values in a scatter.hovertext list are now omitted from the
  hover label rather than being displayed as the string "None"
  (#1244)
• Subplot titles created by plotly.tools.make_subplots are now positioned
  properly when custom row_width/column_width arguments are specified
  (#1229)
• The bar.width property may now be specified as a numpy array or a pandas
  series
  (#1231,
  plotly/plotly.js#3169)
• Error bars are now scaled correctly for logarithmic scatter3d traces
  (#1139)
• Use uuid.uuid4 rather than uuid.uuid1 to work around an upstream
  Python bug
  (#1235,
  #1236)
• The layout.grid.subplots property may now be specified as a 2D list of
  subplot identifiers
  (#1220,
  #1240)
• Fixed scatter3d text alignment
  (#1055,
  plotly/plotly.js#3180)

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed:

• Python Packages

  • plotly==3.4.0
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.35

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

v3.3.0

[3.3.0] - 2018-09-28

Updated

• Updated Plotly.js to version 1.41.3. Select highlights included below, see
  the plotly.js CHANGELOG
  for more information.
• Do not create or check permissions on the ~/.plotly configuration directory until a configuration write operation is performed (#1195). This change avoids some concurrency problems associated with running many instances of
  plotly.py simultaneously (#1068).

Added

• Enable selection by clicking on points via new layout attribute clickmode and flag 'select'
  (#2944)
• Added stacked area charts via new attributes stackgroup and stackgaps in scatter traces
  (#2960)
• Added barpolar trace type - which replace and augment area traces
  (#2954)
• Added polar.hole layout parameter to punch hole at the middle of polar
  subplot offsetting the start of the radial range
  (#2977, #2996)
• Figures may now be easily converted to and from JSON using the new
  to_json, from_json, read_json, and write_json functions in the
  plotly.io package
  (#1188)
• Figures and graph objects now support deepcopy and pickle operations
  (#1191)
• The location of the "~/.plotly" settings directory may now be customized
  using the PLOTLY_DIR environment variable
  (#1195)
• Added optional scaleratio argument to the create_quiver figure factory.
  When specified, the axes are restricted to this ratio and the quiver arrows
  are computed to have consistent lengths across angles.
  (#1197)

Fixed

• Replace use of pkg_resources.resource_string with pkgutil.get_data to
  improve compatibility with cx_Freeze
  (#1201)
• An exception is no longer raised when an optional dependency raises an
  exception on import. The exception is logged and plotly.py continues as if
  the dependency were not installed
  (#1192)
• Fixed invalid dendrogram axis labels when the points being clustered contain
  duplicate values
  (#1186)
• Added missing LICENSE.txt file to PyPI source distribution
  (#765)

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed:

• Python Packages

  • plotly==3.3.0
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.34

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

v3.2.1

[3.2.1] - 2018-09-14

This is a patch release that fixes a few bugs and reintroduces a few
version 2 features that were not supported in version 3.

The bundled version of plotly.js remains at 1.40.1

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed:

• Python Packages

  • plotly==3.2.1
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.34

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

Added

• An optional skip_invalid argument has been added to the Figure and
  FigureWidget constructors. By default, skip_invalid is False and invalid
  figure properties will result in an exception (this is identical to the
  previous behavior). When skip_invalid is set to True, invalid properties
  will instead be silently ignored. This argument replaces the _raise
  argument that was available in version 2, and makes it possible to import
  figure definitions from different plotly versions, where incompatible
  properties are ignored rather than causing an exception.
• A to_ordered_dict method has been added to the Figure and FigureWidget
  classes. This method returns a representation of the figure as a nested
  structure of OrdererdDict and list instances where the keys in each
  OrderedDict are sorted alphabetically. This method replaces the
  get_ordered method that was available in version 2, and makes it possible
  to traverse the nested structure of a figure in a deterministic order.

Fixed

• Pandas Series and Index objects storing datetime values were
  incorrectly cast to numeric arrays
  (plotly/plotly.py#1160,
  plotly/plotly.py#1163)
• Numpy arrays with uint64 datatype caused a FigureWidget error,
  and no figure was displayed
  (plotly/plotly.py#1155,
  plotly/plotly.py#1163)

v3.2.0

[3.2.0] - 2018-09-05

This release introduces the long-anticipated ability to programmatically
export figures as high quality static images in both raster and vector
formats.

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed:

• Python Packages

  • plotly==3.2.0
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.34

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

Added

• plotly.js version 1.40.1, which introduces the following features:
  • Allow contour, contourcarpet and histogram2dcontour to have corresponding legend items using showlegend
    (plotly/plotly.js#2891,
    plotly/plotly.js#2914)
  • Add scatterpolar and scatterpolargl attributes r0, dr, theta0 and dtheta
    (plotly/plotly.js#2895)
  • Add layout attributes piecolorway and extendpiecolors for more control over pie colors
    (plotly/plotly.js#2870)
  • Add splom attribute dimensions[i].axis.type to easily override axis type in splom-generated axes
    (plotly/plotly.js#2899)
  • Add support for on-graph text in scatterpolargl traces
    (plotly/plotly.js#2895)
  • See the plotly.js CHANGELOG
    for bug fixes and more information.
• Support for offline static image export with the to_image and write_image
  functions in the new plotly.io package (#1120).
  • Note: Image export requires the plotly orca
    command line utility and the psutil Python package.
• New documentation sections covering Static Image Export
  and Orca Management
• Support for displaying FigureWidget instances in static contexts
  (e.g. nbviewer) just like the built-in ipywidgets
  (#1117)
• Full integration of the Cividis colorscale (#883)
• conda packaging
  • From here forward, new versions of plotly.py will be published to the plotly anaconda channel
    on the same day they are published to PyPI.
    (72ad0e4)
  • The README now includes conda installation instructions alongside the pip instructions.
  • In addition to the existing installation approaches, orca is now also available as a
    conda package from the plotly anaconda channel.

Updated

• Show traces at the top of the Gantt chart's colorbar (#1110)
• Significantly improved validation performance for numeric pandas Series objects (#1149)
• Specialize auto-generated docstrings for Python syntax
• More robust and specific logic for retrying requests to the plot.ly cloud service (#1146)
• Support basic authentication when using the streaming API behind a proxy server (#1133)

Fixed

• Validators for dash properties (e.g. scatter.line.dash) incorrectly rejected dash length lists (#1136)
• Annotated heatmap error when custom colorscale was specified (#1151)
• Incorrect deprecation warning for deprecated plotly.graph_objs.Annotations class (#1138)
• Harmless JavaScript console error when opening an html file produced by plotly.offline.plot (#1152)
• Incorrect validation errors when writing data to the streaming API (#1145)

v3.1.1

[3.1.1] - 2018-08-10

This release is a minor bug-fix update to version 3.1.0

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed:

• Python Packages

  • plotly==3.1.1
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.33

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

Updated

• Updated plotly.js to version 1.39.4.
  • This is a bug-fix release of plotly.js
  • See the plotly.js CHANGELOG for more information

Fixed

• Fixed error in validation of configkeys
  plotly/plotly.js#1065
• Fixed error in presentation of named colorscales
  plotly/plotly.js#1089
• Fixed numerical precision error when using plotly.tools.make_subplots
  to create figures with a large number of subplots
  plotly/plotly.js#1091
• Fixed problem that prevented the use of the .update method to initialize
  an array property (e.g. layout.shapes)
  plotly/plotly.js#1091
• Fixed FigureWidget problem causing scroll zoom on 3D plots to stutter
  plotly/plotly.js#1094
• Fixed invalid tickmode property in matplotlylib
  plotly/plotly.js#1101

v3.1.0

[3.1.0] - 2018-07-20

JupyterLab Versions

For use with JupyterLab, the following versions of the following packages
must be installed. See README.md for instructions.

• Python Packages

  • plotly==3.1.0
  • ipywidgets>=7.2
  • notebook>=5.3
  • jupyterlab==0.32.1

• JupyterLab Extensions

  • [email protected]
  • @jupyter-widgets/[email protected]
  • @jupyterlab/[email protected]

Updated

• Updated Plotly.js to version 1.39.2
• See highlights below
• See the plotly.js CHANGELOG for more information.

Added

• Added 3D streamtube traces
  plotly/plotly.js#2658
• Added support for on-graph text in scattergl traces
• Added gridshape attribute to polar subplots with values 'circular' (the default) and 'linear' (to draw polygon grids)
  plotly/plotly.js#2739

v3.0.2

[3.0.2] - 2018-07-17

This is a minor bug-fix release to 3.0.0

JupyterLab plotlywidget version: 0.1.1

Plotly.js version: 1.38.3

Fixed

• Several errors related to numbered subplot labels (e.g. xaxis2, polar3, etc.)
  GH1057
• Error where the v property was ignored in cone traces
  GH1060
• Assorted performance improvements when constructing graph objects
  GH1061