v1.17.1

Fixed

• Restyling visible to false on all scatter traces present on a graph
  is now working again (bug introduced in 1.17.0) [#920]
• Relayouting paper_bgcolor now properly propagate to legend
  and updatemenu `bgcolor [#921]
• Mapbox plot routine no longer make request to public Mapbox server
  when linked to a Mapbox Atlas instance [#919]

v1.17.0

Added

• Add support for animations for scatter trace [#802]
• Add frames and animate API -> Plotly.animate, Plotly.addFrames and
  Plotly.deleteFrames [#802]
• Add Plotly.update method which can perform data and layout updates in one
  call [#875]
• Add pointcloud gl2d trace type [#850, #869]
• Add xgap and ygap to heatmap traces to define space between heatmap bricks
  [#868]
• Add separatethousands axis attribute which determines whether four-digit
  numbers are separated or not [#848]
• Add 'skip' value to trace hoverinfo corresponding to traces transparent to
  the hover picking routine [#851]
• Add support for trace opacity in toself filled trace [#896]
• Add global transform config option [#852]
• Add requestAnimationFrame polyfill to dist/extras/ [#904]

Changed

• Explicitly skip undefined props on restyle and relayout [#844]
• Removed a few circular dependency patterns [#833, #837, #845, #878]

Fixed

• Fix legend trace toggle background attributes on restyle [#909]
• Make 'yanchor' default be its intended value of 'top' [#894]
• Fix box plot jitter algorithm when IQR = 0 [#915]
• Fix box plot jitter algorithm when data range is 0 [#915]
• Fix mapbox event firing duplicates [#901]
• Fix mapbox visible false traces handling on first draw [#900]
• Avoid draw buffer to display buffer copy in gl2d plots [#843]
• Do not extend data array on event emission [#842, #866]
• Make Plotly.redraw throw an error when called on non plotly graph div [#907]
• Make plotly.min.js work when injected in Require.js environment [#914]

v1.16.3

Fixed

• Fix SVG exports for graphs with layout images [#846]
• Properly handles duplicate categories in non-default categoryorder [#863]
• Fix range selector position logic for overlaying axes [#873]
• Autorange is now properly computed for heatmapgl and contourgl traces [#855,
  #874]
• Trace toggling via legend preserves axis ranges in gl2d plots [#855, #874]
• Bump mapbox-gl dependency to 0.22.0 [#867]

v1.16.2

Fixed

• Fix decoding for the supported HTML entities (bug introduced in 1.16.0) [#835]
• Fix layout images position on subplots [#831]
• Fix a few cartesian autorange edge cases [#813]

v1.16.1

Changed

• Drop support for plotting in child windows which broke Plotly.plot in
  some numerous browsers (e.g. FF46, FF47, FF48) [#829]

v1.16.0

Added

• Add updatemenus (aka dropdowns) layout components [#770]
• Trace type scattermapbox is now part of the main bundle [#816]
• Add support for plot in child windows [#764, #806]
• Horizontal legends with many items are now wrapped into multiple lines [#786]
• Active color of range selector button is now configurable via activecolor
  [#796]
• Add support for mapbox style JSON [#795]

Changed

• Promise queue is cleared on restyle and relayout instead of in
  the plot catch handler (which ate up user-defined catch handlers as of
  1.15.0) [#776, #789]
• Improve performance in convertToSVG step [#791, #804]

Fixed

• Skip over non-container arrays in relink private key step (performance bug
  introduced in 1.15.0) [#817]
• Categorical heatmap traces with insufficient brick are now functional again
  (bug introduced in 1.14.0) [#783, #812]
• Fix Plotly.validate for info and container array attributes [#814, #819]
• Range selector buttons can now be deleted via relayout [#793]

v1.15.0

Added

• Add Plotly.validate method [#697]
• Add support for transforms plugins modules [#499]
• Some partial bundles are now distributed in dist/ [#740]
• Mapbox access token can now be set in layout.mapbox [#729]
• Undo/Redo queue length is now configurable via configuration option
  queueLength [#737]

Changed

• Improve performance in gl2d request animation frame loop [#731]
• Improve Lib.extendDeep performance for primitive arrays [#732]
• Improve potential XSS input in text fields [#736]
• Improve scaling on scroll zoom for scatter lines and markers [#761, #762]

Fixed

• toImage pixel output for gl2d graphs are now scaled properly [#735]
• scattermapbox marker size and color arrays are now correctly converted when
  they include repeated values [#747]
• Fix scatter3d marker line color inheritance [#754]
• text fields can now support link with query params = and & [#736]
• Fix Chrome 50 bug where tester svg blocked other DOM nodes [#745]

v1.14.2

Fixed

• Plotly.newPlot correctly clears all present WebGL contexts [#724]
• Bar traces with layout.bargap 0 and unset marker.line.width are functional
  again (bug introduced in 1.3.0) [#709]
• Stacked bar traces now correctly set the first bar position when leading gaps
  are present (bug introduced in 1.11.0) [#716]
• Bar traces with layout.barmode relative now correctly compute the bar sum of
  the first position when positive and negative values are present [#723]
• Event plotly_relayout is emitted upon pan / zoom on a mapbox subplot [#727]
• Lasso and select box drag modes now work with fixed ranged axes [#728]
• gl2d trace objects are purged when their parent scenes are destroyed [#724]

v1.14.1

Fixed

• Fix colorscale restyle calls on heatmap traces (bug introduced in 1.14.0)
  [#694]
• Hover after zoom / pan is now functional again in ternary plots (bug
  introduced in 1.14.0) [#688]
• Fix mapbox layer relayout starting from invisible layer [#693]
• Hover labels when hoveron: 'fills' are now constrained to the viewports
  [#688]
• Fix surface countours description [#696]
• Fix mapbox.layers.line description [#690]

v1.14.0

Added

• Attribute line.color in scatter3d traces now support color scales [#617]
• Annotations tail positions can now be set in data coordinates via the new
  axref and ayref attributes [#610]
• Attribute hoveron is added for scatter and scatterternary traces which
  adds the option to show hover labels about fill regions (instead of simply of
  about data points) [#673]
• Layout shapes can now be moved and resized (except for 'path' shapes) in
  editable contexts [#660]

Changed

• Numerous additions and changes where made to the mapbox layout layers
  attributes (introduced in 1.13.0). Namely, circle and symbol layer type
  where added. Note that some style attributes have been renamed to match the
  mapbox-gl API more closely. [#681]

Fixed

• Off-screen heatmap traces are properly deleted (bug introduced in 1.5.1)
  [#655]
• Hover labels for multi-heatmap subplot is functional again (bug introduced in
  1.4.0) [#655]
• Heatmap x/y brick generation is now functional for 0 and 1 item columns [#651]
• Multiple layout images can now shared the same image source [#672]
• Updating legend border and bgcolor attribute now works via Plotly.relayout
  [#652]
• Dragmode 'select' and 'lasso' no longer throw exception when selecting
  legendonly traces [#644]
• Ternary plots now respect the staticPlot config option [#645]
• Descriptions for axes nticks and contour traces ncountoursnow properly
  describe their behavior [#662]