v1.18.0

Added

• Add ohlc and candlestick trace types [#1020]
• Add slider layout component [#986, #1029]
• Add filter and groupby transforms [#936, #978]
• Add support for all cartesian trace types and subplot configuration in
  range slider range plots [#946, #1017]
• Add update menus 'buttons' type, direction and showactive options [#974]
• Add pad attributes to update menus for more intuitive positioning [#989]
• Add plotly_hover, plotly_click and plotly_unhover event emitters
  on gl2d subplot [#994]
• Make 'text' mode scatter traces animatable [#1011]
• Add picking for 'line' mode scattergeo traces [#1004]
• Add support for fill: 'toself' in scattergeo traces [#1004]

Changed

• Allow null / undefined frames in Plotly.addFrames[#1013]

Fixed

• Allow range sliders to properly relayout [#962]
• Fix handling of NaN gaps in range slider range plots [#946, #1017]
• Properly skip over NaNs in scattergeo data arrays [#1004]
• Fix handling graph div with style visibility: inherit [#990]
• Fix Plotly.update for updates that require a full data + layout replot [#971]
• Let update menus use Plotly.update method value [#972]
• Fix tickfont relayout call on 3D subplot [#982]

v1.17.3

Fixed

• Fix scatter text node translations on range relayout [#956]
• Fix Plotly.restyle for scatter trace mode [#956]
• Fix color mapping discontinuity in surface trace with circular colorscale
  [#959]
• Fix Plotly.redraw when scatter traces are added to the graph [#947]
• Fix double click side-effects in gl2d plots [#958]
• Emit event animatingframe frame during animations [#953]

v1.17.2

Fixed

• 3D colored axis backgrounds and axis labels are rendered again (bug introduced
  in 1.17.0) [#931]

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]