v1.13.0

Added

• Beta version of the scattermapbox trace type - which allows users to create
  mapbox-gl maps using the plotly.js API. Note that scattermapbox is only
  available through custom bundling in this release [#626]
• Configurable log levels. All plotly.js logging is now turned off by default.
  Use Plotly.setPlotConfig({ logging: /* 1 or 2 */ }) to (1) display warnings
  only or (2) all logs [#590]
• Thorough mesh3d attribute descriptions [#593]

Changed

• Generalize hover picking routine (to make more easily re-usable for other plot
  types) [#575, #631]

Fixed

• Fix Plotly.toImage and Plotly.downloadImage bug specific to Chrome 51 on
  OSX [#604]
• Fix Plotly.downloadImage for svg types [#604]
• Fix scattergl opacity and connectgaps for 'lines' mode [#589]
• Make legend scroll bar keep its position after redraws [#584]
• Properly handle axis-reference shapes on overlaid axes [#612]
• Fix Plotly.relayout calls for layout.images in { astr: val } notation
  [#624]
• Bring back correct default value for lightposition in surface traces (bug
  introduced in 1.12.0) [#571]
• Fix typos in contours descriptions in contour traces [#583]
• Fix typos in axis.ticktext description [#607]
• Fix ambiguities in histogram nbin descriptions [#623]

v1.12.0

Added

• Light positions, face normal epsilon and vertex normal epsilon are now
  configurable in mesh3d traces [#556]
• Light position is now configurable in surface traces [#556]
• surface and mesh3d lighting attributes are now accompanied with
  comprehensive descriptions. [#556]

Changed

• Plot modules are now allowed to have their own toSVG method for
  subplot-specific to-svg logic [#554]

Fixed

• gl2d plots are now functional in core-js environments (e.g. in babel es6
  presets) [#569]
• gl2d replot calls from a blank plot are now functional [#570]
• SVG graph config argument scrollZoom is now again functional (bug introduced
  in v1.10.0) [#564]
• layout.separators is now honored in pie text labels [#547]
• Heatmap zsmooth value 'fast' is now functional for arbitrary layout widths
  [#548]
• Range sliders now respond to all axis range relayout calls [#568]

v1.11.0

Added

• Add top-level methods Plotly.toImage to convert a plotly graph to an image
  data URL (svg, png, jpg, and webp are supported) and Plotly.downloadImage to
  download a plotly graph as an image [#446]
• Add the ability to add arbitrary images loaded from a url to a plot's layout
  [#525]
• Add the option of making legend span horizontally [#535]
• Add connectgaps attribute to scattergl traces [#449]
• Add new 'relative' bar mode which stacks on top of one another with negative
  values below the axis, positive values above [#517]
• Add support for the 'winkel tripel' projection in geo subplots [#492]
• Event plotly_relayout is now emitted on gl2d subplot drag/pan/zoom
  interactions [#466]
• Add support for fill coloring in contourgl traces [#522, #543]

Changed

• Cartesian on-hover routine is now uses a 50ms interval between search calls
  instead of 100ms for smoother displaying hover labels [#514]
• [Internal change] fullLayout _has fields are replaced by a _has method
  which checks if a particular plot type is present on a graph [#491]

Fixed

• Bar widths of traces with null coordinates are now correctly computed [#542]
• Error bar spans on bar traces with null coordinates are now correctly computed
  [#542]
• All promises spawn in Plotly.plot are now guaranteed to be resolved before
  the final resolve [#521]
• Restyling scatterternary data attributes is now working [#540]
• Error bar of 0 length in log axes are not included in hover labels (instead of
  showing NaNs) [#533]

v1.10.2

Fixed

• Subplot and range slider clip paths are now functional in AngularJS (bug introduced in 1.10.0) [#509]
• relayout call involving axis categoryorder and categoryarray are now
  working [#510]
• Annotation drag interactions in editable: true mode are now functional (bug
  introduced in 1.10.0) [#505]
• Improved attribute description for shape xref and yref [#506]

v1.10.1

Fixed

• Resizing a graph (e.g. via Plotly.relayout or Plotly.Plots.resize)
  properly updates the plot area clip paths (bug introduced in 1.10.0) [#490]
• Plotly.Snapshot.toSVG is now functional again in IE11 and old version of
  Chrome and FF (bug introduced in 1.10.0) [#489]
• Hover labels of superimposed traces when 'hovermode' is set to 'closest' are
  properly displayed (bug introduced in 1.10.0) [#495]
• Surface contour highlights are toggleable [#459]
• Surface contour highlights style attributes are lower cased [#459]
• Zoom overlay are drawn over shapes [#448]
• Legend are draggable in editable: true contexts (bug introduced in 1.6.0)
  [#487]
• Legend scroll box are drawn outside the legend [#478]

v1.10.0

Added

• Beta version of two new 2D WebGL trace types: heatmapgl and contourgl
  [#427, #434]
• Two new scatter line fill modes: 'toself' and 'tonext' [#462]
• Fills for scatterternary traces are now supported [#462]
• Configurable axis category ordering with categoryorder and an optional
  categoryarray axis attributes [#419]
• Configurable shapes layer position with shape attribute layer [#439]
• Configurable range slider range (so that the initial xaxis range can differ
  from the range slider range) [#473]

Changed

• Nested SVG elements in SVG image exports are removed, making the to-image mode
  bar button work in RStudio and SVG export compatible with Adobe Illustrator
  [#415, #454, #442]
• Use country-regex npm package instead of hard-coded file of ISO-3 code to
  country regular expressions [#461]

Fixed

• Legend positioning does not break on negative x and y settings (bug
  introduced in 1.6.0) [#417]
• Shapes are properly deleted when clearing all of them at once (bug introduced
  in 1.9.0) [#465]
• Promise are return after first render in gl3d and gl2d plots [#421]
• Click and hover events are properly triggered when trace hoverinfo is set to
  'none' [#438]
• plotly_unhover events is now properly triggered on geo trace types [#429]
• plotly_relayout event is now properly triggered on gl3d set camera [#458]
• RGBA colors are now supported in scatter and bar custom color scales
  [#422]
• Range slider is now functional with x0/dx data [#441]
• Range slider is now compatible with mode bar axis range buttons and double
  click [#471]

v1.9.0

Added

• Ternary plots with support for scatter traces (trace type scatterternary) [#390]

Fixed

• Toggling the visibility of scatter3d traces with surfaceaxis now works [#405]
• scatter3d traces with surfaceaxis turned now feature real 3D opacity [#408]
• plotly_unhover is now properly triggered over pie traces [#407]
• Better grammar in scatter attribute descriptions [#406]

v1.8.0

Added

• Range slider functionality for scatter traces [#336, #368, #377]
• Range selector functionality for cartesian and gl2d plot types [#373]
• Support for connectgaps in scatter3d traces [#361]

Fixed

• gl2d toImage mode bar button is now again functional (bug introduced in 1.7.0) [#369]
• IE / Edge handling of getComputedTextLength is now functional [#376]
• improved marker color attribute description [#366]

v1.7.1

Fixed

• Legend dimensions are correctly updated (bug introduced in 1.7.0) [#365]
• Friction between cartesian double-click and drag interactions is reduced [#355]
• Ultra-zoomed svg line paths are correctly computed [#353]
• Initial axis ranges are no longer reset on data-updating restyle calls [#351]
• Events now work in jQuery no-conflict scopes (bug introduced in 1.7.0) [#352]

v1.7.0

Added

• Custom surface color functionality (for 4D plotting) is added to surface traces [#347]
• Top-level Plotly.purge method (which returns the graph div in its
  pre-Plotly.plot state) is added [#300]
• Support for custom hover labels on multiple subplots in Plotly.Fx.hover is
  added [#301]

Fixed

• Error bars node ordering now respect the trace ordering [#343]
• Geo traces nodes now update properly on streaming plot calls [#324]
• jQuery check in event module is made more robust [#328]