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]