v1.6.1

Fixed

• Legend scroll bars are no longer invalid SVG elements (bug introduced in 1.6.0) [#304]
• Colorscale YlGnBu and YlOrRd are now properly identified [#295]

v1.6.0

Added

• SVG cartesian, 3D, geographic maps and pie chart can now coexist on the same
  graph [#246, #258, #289]
• Legends with long item lists are now scrollable (instead of being cropped)
  [#243]
• Event plotly_deselect is now emitted after double-clicking in select and
  lasso drag modes [#255]
• Event plotly_doubleclick is now emitted after double-clicking on SVG cartesian
  graphs in zoom and pan drag modes [#255]
• Layout attributes dragmode and hovermode can now be set individually in
  each scene [#258]
• Plotly.Plots.resize now returns a promise. [#253, #262]

Fixed

• Plotly.deleteTraces now properly deletes the last trace of a cartesian
  subplot [#289]
• Plotly.deleteTraces now works on heatmap, contour, pie, surface, mesh3d and
  geo trace types [#289]
• Plotly.deleteTraces now properly delete color bars associated with deleted
  traces [#289]
• Clearing cartesian axes via relayout no longer results in an uncaught error
  [#289]
• Events plotly_hover, plotly_unhover and plotly_click are properly
  emitted on 3D graphs [#240]
• Null and undefined categories are properly skipped over [#286]
• Hover labels on 3D graphs are now properly hidden when hovermode is set to
  false [#258]
• Multi-scene 3D graphs now set their camera position via their own scene
  attributes [#258]
• Toggling hovermode on 3D graphs no longer resets the scene domain [#258]
• Resetting the camera position on scenes where the camera attribute was
  supplied no longer results in an uncaught error [#258]
• Axis attributes hoverformat, tickprefix, ticksuffix are honored even
  when showticklabels is set to false [#267]
• Config option doubleClick set to 'reset' now properly handles auto-ranged
  axes [#285]

v1.5.2

Fixed

• Fix geo trace visibility toggling (bug introduced in 1.5.1) [#245]

v1.5.1

Fixed

• Scattergeo and choropleth now correctly fire hover and click events [#215]
• Heatmap and contour traces are redrawn in the correct order [#194]
• Early returns in Plotly.plot now correctly return Promise rejections [#226]
• Soon to be deprecated SVGElement.offsetParent calls are removed [#222]
• Geo zoom in button is now correctly titled Zoom in [#219]
• All attribute description are correctly stripped from the dist files (bug
  introduced in 1.5.0) [#223]
• Insecure dev dependencies ecstatic and uglify-js are bumped [#225]
• Outdated karma-browserify dev dependency is bumped [#229]

v1.5.0

First modular release.

Added

• Modularize the library (first iteration). Trace types can be required in
  one-by-one to make custom plotly.js bundles of lesser size. [#180, #187, #193, #202]

Changed

• Remove json assets from the js source files (to better support Webpack bundling) [#183]
• Update d3, tinycolor2, topojson dependencies [#195]
• Improve 'colorscale' attribute description [#186]

Fixed

• Fix pan mode drag delay [#188]
• Make Plotly.deleteTrace handle big-indices-array properly [#203]

v1.4.1

Fixed

• Click events work properly after being broken in 1.4.0 [#174]

v1.4.0

Added

• Lasso and rectangular selection interactions for scatter-marker and scatter-text traces [#154, #169]
• Un-gitignore css and svg font built files, removing post-install step and
  dependency on node-sass [#164]

Changed

• Clean up Pie, Box and Choropleth trace module [#158, #159, #165]

Fixed

• Surface traces correctly handle zmin and zmax attributes [#153]
• Pie trace correctly trigger hover events [#150]

v1.3.1

First release of 2016

Fixed

• Fix Plotly.addTraces for gl3d and gl2d trace types [#140]

v1.3.0

Added

• Trigger click event on pie charts [#111]
• Add attribute descriptions for mesh3d trace type [#115]

Changed

• [Internal] Trace module have now a 1-to-1 correspondence with trace type [#124]
• [Internal] Remove circularize import in colorbar and colorscale module [#136]

Fixed

• Fixed zeroline behavior in gl3d plots [#112]
• Axis tickangle consistently used degrees in both svg and gl plots [#131]
• Plotly.newPlot destroy mode bar before plotting new one [#125]
• Plotly.newPlot removes all event listeners from graph div [#117]
• Fixed attribute description for scatter3d marker opacity [#114]

v1.2.1

Changed

• Improve XSS check in anchor href [#100]

Fixed

• Fix Firefox 42 to-image failures [#104]
• Fix error bar with type 'sqrt' logic making them visible without
  specifying the 'value' field [#91]
• Fix cartesian zoom/drag cover attributes for Firefox 31 [#92]