CHANGELOG.md

plotly.js changelog

For more context information, please read through the release notes.

To see all merged commits on the master branch that will be part of the next plotly.js release, go to:

https://github.com/plotly/plotly.js/compare/vX.Y.Z...master

where X.Y.Z is the semver of most recent plotly.js release.

[1.47.1] -- 2019-04-10

Fixed

• Fix console errors during selections (bug introduced in 1.47.0) [#3755]

[1.47.0] -- 2019-04-09

Added

• New volume gl3d trace type [#3488]
• Implement node grouping via box and lasso selections for sankey traces [#3712, #3750]
• Implement hovermode: 'x' for sankey traces, allowing users to compare links in a flow on hover [#3730]
• Add way for Plotly.toImage and Plotly.downloadImage to export images with current graph width/height by passing width/height option as null [#3746]
• Add legend attribute itemsizing with value 'constant' making legend item symbol sizing independent of the sizing of their corresponding trace item [#3732]
• Add hoverlabel.align with value 'left', 'right' and 'auto' to set the horizontal alignment of the text content within hover labels [#3753]
• Add contour.start, contour.end and contour.size attribute to surface traces [#3469]
• Add isosurface and volume to the gl3d bundle [#3488]

Changed

• Allow re-plot during drag interactions [#3716]
• Use high-precision in scattergl error bars shader [#3739]

Fixed

• Fix implementation of geo lonaxis and lataxis attribute tick0 [#3706]
• Fix scrollZoom: false configuration on mapbox subplots [#3745]
• Fix rendering of alpha channel in mesh3d traces [#3744]
• Fix hoverlabel.namelength: 0 case [#3734]
• Fix implementation of hoverlabel.namelength for pie, sankey, sunburst and the gl3d traces [#3734]
• Fix waterfall rendering when transforms filter out all increasing or decreasing bars [#3720]
• Fix clip-path attributes for pages with parenthesis in their <base> URL [#3725]

[1.46.1] -- 2019-04-02

Fixed

• Fix bar traces that set textfont but don't have text (bug introduced in 1.46.0) [#3715]
• Fix hover text formatting in waterfall traces [#3711]
• Fix surface and mesh3d color scales with more than 256 items [#3702]

[1.46.0] -- 2019-04-01

Added

• New waterfall trace type [#3531, #3708]
• New sunburst trace type [#3594]
• Add attributes node.x and node.y to sankey traces [#3583]
• Implement connectgaps on surface traces [#3638]
• Implement hovertemplate for box and violin points [#3685]

Changed

• Display hover labels above modebar, ensuring that the hover labels are always visible within the graph div [#3589, #3678]

Fixed

• Fix horizontal legend item wrapping by pushing overflowed items to newline [#3628]
• Fix erroneous gap for histogram under relative barmode [#3652]
• Fix position of overlapping grouped bars within trace [#3680]
• Fix violin bandwidth logic for traces with identical values in sample [#3626]
• Fix violin trace scalegroup description [#3687]
• Fix stacked scatter for groupby traces [#3692]
• Fix outside text on empty items in bar traces under textposition: 'outside' [#3701]
• Fix pie un-hover event emission after updates [#3662, 3690]
• Fix scatter line decimation algo for filled trace with far-away data points [#3696]
• Fix heatmap and contour computation for traces with category coordinates containing 0 [#3691]
• Fix zoom interactions on gl3d subplots using an orthographic projection [#3601]
• Fix miscellaneous gl3d camera on-initialization bugs [#3585]
• Fix surface contour line rendering in some Firefox versions [#3670]
• Fix rendering of marker points and gl3d subplots on date axes (or with coordinates close to 64K floating limits) for WebGL-based traces on some iOS devices [#3666, #3672, #3674, #3676]
• Fix center-aligned hover labels positioning [#3681]

[1.45.3] -- 2019-03-19

Fixed

• Fix legend click dispatch on legend item symbols (bug introduced in 1.44.0) [#3635]
• Fix overlapping of "very close" hover labels [#3645]
• Fix hovermode default logic for stacked scatter traces [#3646]
• Fix glPixelRatio handling in surface contour lines [#3641]
• Fix gl2d subplot zoombox appearance (bug introduced in 1.32.0) [#3647]
• Fix axis label updates on gl2d subplots on scroll (bug introduced in 1.32.0) [#3647]
• Fix dragmode relayout calls on gl2d subplots [#3647]
• Improve info about <extra> in hovertemplate description [#3623]

[1.45.2] -- 2019-03-07

Fixed

• Fix webpack builds that include sankey by upgrading d3-sankey-circular to 0.33.0 (bug introduced in 1.45.0) [#3611]

[1.45.1] -- 2019-03-05

Fixed

• Fix axis automargin pushes for rotated tick labels [#3605]
• Fix automargin logic on (very) small graphs [#3605]
• Fix locales support in hovertemplate strings [#3586]
• Fix gl3d reset camera buttons for scenes with orthographic projection [#3597]
• Fix typed array support for parcoords dimensions values and line.color [#3598]
• Fix cone rendering on some older browsers [#3591]
• Fix lightposition behavior for cone traces [#3591]
• Fix lightposition behavior for streamtube trace [#3593]
• Remove unused files from gl-cone3d dependency [#3591]
• Remove unused files from gl-streamtube3d dependency [#3593]

[1.45.0] -- 2019-02-26

Added

• Add support for circular networks in sankey traces [#3406, #3535, #3564]
• Add matching axes behavior to cartesian axes via new axis attribute and new splom attribute dimensions attribute matches [#3506, #3565]
• Add attributes alignmentgroup and offsetgroup to bar, histogram, box and violin traces to make cross-trace positioning easier [#3529]
• Add support for orthographic projections in gl3d subplots via new attribute scene.camera.projection.type [#3550]
• Add cmid and zmid colorscale attributes to pick the middle of the color range during the auto-colorscale computations [#3549]
• Add support for sankey grouping via new attribute groups [#3556]
• Add support for sankey concentration colorscales [#3501]
• Add support for hovertemplate for all gl3d traces, contour, heatmap, histogram*, parcats, scattercarpet and splom traces [#3530]
• Add hovertext attribute to all traces that support hover 'text', for consistency with traces that already have an hovertext attribute [#3553]
• Add support for layout meta templating in trace name, rangeselector, updatemenus and sliders labels as well as within hovertemplate [#3548]
• Add support for opacity to isosurface traces [#3545]
• Add mapbox.layers attributes: minzoom, maxzoom, line.dash and symbol.placement [#3399]

Changed

• More consistency pass down WebGL pixel ratio to gl3d renderers, this leads to better axis line and error bar rendering on some hardwares [#3573]
• Performance boost for isosurface trace generation [#3521]
• Export template string regex of Lib [#3548]
• Do no cluster points in scattergl trace with less than 1e5 data pts, this fixes reported "missing data points" scenarios [#3578]

Fixed

• Fix selection outline clearing during cartesian axis-range relayout calls (bug introduced in 1.42.0) [#3577]
• Fix modebar interactions on graphs with scatter3d traces with marker colorscales (bug introduced in 1.44.0) [#3554]
• Fix axis automargin for superimposed subplots (bug introduced in 1.44.3) [#3566]
• Fix polar angular tick labels placement [#3538]
• Fix scattergl updates after selections for trace with on-graph text [#3575]
• Fix responsive: true config option for graph with WebGL traces [#3500]
• Fix modebar.bgcolor for vertical modebars with wrapped buttons [#3500]
• Fix ohlc and candlestick auto-range computations [#3544]

[1.44.4] -- 2019-02-12

Fixed

• Fix Plotly.react used with uirevision when removing traces [#3527]
• Fix scattergl update calls that change the number of on-graph text elements [#3536]
• Fix annotations SVG errors on trace-less subplots [#3534]
• Fix ohlc and candlestick hover on blank coordinates (bug introduced in 1.43.2) [#3537]

[1.44.3] -- 2019-02-06

Fixed

• Fix axis automargin push offset which resulted in clipped tick labels in some scenarios [#3510]
• Fix handling of alpha channel in marker, line and error bar rgba coloring in scatter3d traces [#3496]
• Fix subplots with multiple carpet traces each with a scattercarpet trace on top of them [#3512]
• Fix MathJax placement in ternary aaxis titles [#3513]

[1.44.2] -- 2019-02-04

Fixed

• Fix vertical modebars in IE11 [@3491]
• Fix hovertemplate for traces with blank name [#3480]
• Fix 3D grid lines and tick labels colored by rgba color with full transparency [#3494]
• Fix white highlights rendering problems for mesh3d trace on some devices (bug introduced in 1.44.0) [#3483]
• Fix fill.color description for table traces [#3481]

[1.44.1] -- 2019-01-24

Fixed

• Fix mesh3d rendering on (some) mobile devices (bug introduced in 1.44.0) [#3463]
• Fix scene camera update when changing to turntable mode when up.z is zero (bug introduced in 1.43.0) [#3465, #3475]
• Fix react when cartesian axis scaleanchor patterns change [#3461]
• Fix "days" entries in polish (pl) locales [#3464]
• Remove inner function declarations in our vectorize-text that caused bundling errors for some (bug introduced in 1.43.0) [#3474]

[1.44.0] -- 2019-01-22

Added

• Add isosurface gl3d trace type [#3438]
• Add support for transitions from Plotly.react via new layout transition attribute [#3217]
• Add meta layout attribute, intended for making references to strings in text templates [#3439]
• Add support for line.color colorbars for scatter3d traces [#3384]
• Add support for hovertemplate on scatterpolar, scatterpolargl, scatterternary, barpolar, choropleth, scattergeo and scattermapbox trace [#3398, #3436]
• Add width attribute to box and violin traces [#3234]
• Add support for <sup>, <sup>, <b>, <i> and <em> pseudo-html tags in extra (aka trace "name") hover labels [#3443]
• Add support for div id as 1st arg to Plotly.makeTemplate [#3375]
• Add config option in plot-schema JSON output [#3376]

Changed

• Config option scrollZoom is now a flaglist (instead of a boolean), each flag corresponding to subplot types where scroll is to be enabled [#3422]
• Use glslify@7.0.0 across all our dependencies [#3421]

Fixed

• Fix error_(x|y|z) color attribute inheritance [#3408]
• Fix scrollZoom: false config behavior for geo, gl3d and mapbox subplots [#3422]
• Fix cartesian scroll zoom when responsive config option is turned on [#3424]
• Fix cartesian scroll zoom when the page where the graph is embedded is scrollable [#3424]
• Fix box / violin autorange edge cases [#3234]
• Fix box / violin points hover labels on numeric positions [#3441, #3458]
• Fix box / violin grouping algorithm for subplots with as many distinct positions as the number of traces [#3445]
• Fix bar autorange calculations for trace with base above zero [#3452]
• Fix bar + errorbar autorange calculations [#3452]
• Fix lightposition behavior for mesh3d traces [#3415]
• Fix legend valign behavior for pie traces [#3435]
• Fix wrapped horizontal legends height edge cases [#3446]
• Fix hover label alignment for hover labels with multi-line extra (aka trace "name") labels [#3443]
• Fix cartesian axis domain lower limit [#3404]
• Fix dynamic imports of lib/ trace modules [#3448]
• Fix scl and reversescl backward-compatible logic [#3423]
• Fix range slider borderwidth attribute description [#3453]

[1.43.2] -- 2019-01-08

First 2019 release.

Fixed

• Fix uirevision behavior for gl3d, geo and mapbox subplots [#3394]
• Fix reversescale behavior for surface, mesh3d and streamtube traces (bug introduced in 1.43.0) [#3418]
• Fix modebar hover styling (bug introduced in 1.43.0) [#3397]
• Fix horizontal box / violin hover label misalignment under hovermode:'closest' [#3401]
• Fix ohlc and candlestick hover for traces with empty items [#3366]
• Fix surface trace visible logic [#3365]
• Fix mesh3d trace visible logic [#3369]

[1.43.1] -- 2018-12-21

Fixed

• Fix z-axis auto-type for cartesian + gl3d graphs (bug introduced in 1.43.0) [#3360]
• Fix multicategory axis coordinate sorting [#3362]
• Fix multicategory y-axes clearance [#3354]
• Fix contour label clipPath segments for reversed axes [#3352]
• Fix axis autorange on double-click on graph fixedrange:true [#3351]

[1.43.0] -- 2018-12-19

Added

• Add hovertemplate attribute to scatter, scattergl, bar, histogram, pie and sankey traces [#3126, #3265, #3284]
• Add layout.title placement attributes x, y, xref, yref, xanchor, yanchor and pad [#3276]
• Add support for <br>, <sup>, and <sub> pseudo-html in scatter3d and gl3d scene text [#3207]
• Add multicategory axis type, allowing for "multi-level" categorical axis labels and category dividers with axis attributes: showdividers, dividercolor and diverwidth [#3254, #3300, #3326]
• Add cartesian axis attribute tickson with value 'boundaries' to place categorical ticks on the category boundaries [#3254, #3275]
• Add uirevision attributes to control the persistence of user-driven changes on the graph [#3236]
• Add legend.valign to set the vertical alignment of the legend symbols with respect to their associated text labels [#3263]
• Implement arrayOk textposition for scatter3d traces [#3200]
• Add layout attributes colorscale.sequential, colorscale.sequentialminus and colorscale.diverging to set graph-wide colorscale defaults [#3274]
• Add dragmode: false to disable all drag interactions on cartesian subplots [#3170]
• Add plotly.js-locales npm packages that includes all official locales modules [#3223]
• Add watermark config option to permanently show Plotly's logo in the mode bar (set to false by default) [#3280]
• Add Finnish locale (fi) [#3325]

Changed

• Remove "Edit in Chart Studio" button by default [#3307]
• title attributes linked to strings are now deprecated. Please use title.text instead to fill in your title text [#3276]
• title* attributes are new deprecated. They moved to title.*. For example, colorbar.titleside is now colorbar.title.side [#3276]
• No longer mutate colorscale values into user data [#3341]
• No longer mutate zmin/zmax, cmin/cmax values into user data [#3341]

Fixed

• Fix react when updates trigger a new set of auto-margins [#3323]
• Fix scattergl coloring when more than 255 marker colors are present [#3328, #3334]
• More scattergl IE11 fixes [#3333, #3335]
• Multiple surface rendering fixes [#3281]
• Correctly default scene.dragmode to 'orbit' when camera up vector is tilted [#3256]
• Fix hover on scatter3d traces with opacity: 1 on Ubuntu [#3301]
• Fix console error Uncaught ax.dtick error: NaN in gl3d subplots [#3233]
• Fix histogram hover event triggers when hovering from bar to bar [#3345]
• Fix graphs with empty and non-empty histogram traces [#3343]
• Fix contour labels on reversed axes [#3279]
• Fix autocolorscale toggling [#3341]
• Fix template support for marker.colorscale [#3341]
• Fix scatter3D trace with mode: 'lines+markers' with line color array error [#3341]
• Do not add <base> href to SVG clip paths during toImage [#3272]
• Fix table scrolling that leaked into window scope [#3327]
• Fix fills on segment-less marker-less traces [#3282]
• Fix rangesliders on reversed-range axes [#3304]
• Fix rangesliders on side: 'top'x-axes [#3329]
• Fix typed array support for ohlc and candlestick traces [#3342]
• Fix restyle with impliedEdits on trace with groupby transforms [#3236]
• Fix editable: true drag on marker colorbars [#3236]

[1.42.5] -- 2018-11-08

Fixed

• Fix scattergl / scatterpolargl with mode: lines and more than 1e5 pts (bug introduced in 1.42.0) [#3228]

[1.42.4] -- 2018-11-07

Fixed

• Remove rendering artifacts from table orca PDF exports [#3220]

[1.42.3] -- 2018-11-06

Fixed

• Fix histogram binning for typed array inputs (bug introduced in 1.42.0) [#3211]
• Fix textfont color restyle calls for pie traces [#3214]
• Fix textfont color editType for bar traces [#3214]
• Fix array hoverinfo support for ohlc and candelestick [#3213]
• Correctly list parcats hoverinfo attributes which does not support array inputs [#3213]

[1.42.2] -- 2018-11-01

Fixed

• Fix runaway loops for scattergl lines and fill traces (bug introduced in 1.42.0) [#3199]
• Fix size and alignment vertical modebar [#3193]
• Fix legend item rendering for traces with typed array marker settings [#3192]

[1.42.1] -- 2018-10-31

Fixed

• Fix IE regression introduced in 1.42.0 [#3187]
• Fix parcats text-shadowing on dark plot_bgcolor [#3191]
• Fix scatter3d text alignment [#3180]
• Fix hoverinfo flags in attribute descriptions [#3158]
• No longer coerce unused hoverlabel attribute in parcoods [#3158]
• No longer coerce transforms attributes in traces that don't support them [#3158]

[1.42.0] -- 2018-10-29

Added

• Add parcats (aka parallel categories) trace type [#2963, #3072]
• Add new gl3d tick and title auto-rotation algorithm that limits text overlaps [#3084, #3104, #3131]
• Add support for reversed-range axes on gl3d subplots [#3141]
• Add modebar layout style attributes: orientation, bgcolor, color and activecolor [#3068, #3091]
• Add title, titleposition and titlefont attributes to pie traces [#2987]
• Add hoverlabel.split attribute to ohlc and candlestick traces to split hover labels into multiple pieces [#2959]
• Add support for line.shape values 'hv', 'vh', 'hvh' and 'vhv' in scattergl traces [#3087]
• Add handler for PlotlyConfig.MathJaxConfig: 'local' to override our default MathJax behavior which modifies the global MathJax config on load [#2994]
• Add support for graph div as first argument for Plotly.makeTemplate and Plotly.validateTemplate [#3111, #3118]
• Implement trace, node and link hoverinfo for sankey traces [#3096, #3150]
• Implement per-sector textfont settings in pie traces [#3130]

Changed

• Use new Plotly logo in "Produced with Plotly" modebar button [#3068]
• Improve histogram autobin algorithm: allow partial bin specification, deprecate autobin(x|y) attributes, force stacked/grouped histograms to match size and have compatible start value [#3044]
• Count distinct values for category and date axis auto-type, which improves the detection of "NaN" string values in numerical data [#3070]
• Improve bar and pie textfont color inheritance [#3130]
• Improve splom first-render, axis range relayout and marker restyle performance [#3057, #3161]
• Make splom xaxes and yaxes list always have same length as the trace dimensions regardless of their partial visiblities [#3057]
• Improve axis overlaying documentation [#3082]

Fixed

• Fix gl3d subplots on tablets [#3088]
• Fix responsive behavior under flexbox and grid CSS [#3056, #3090, #3122]
• Fix relayout calls turning back autosize on [#3120]
• Fix MathJax rendering (for recent versions of MathJax) [#2994]
• Fix scattergl update on graphs with fractional computed dimensions [#3132]
• Fix scattergl symbols in MS Edge [#2750]
• Fix scattergl selections on overlaying axes [#3067]
• Fix scattergl tozero fills with bad values [#3087, #3168]
• Fix scattergl fill layer ordering [#3087]
• Fix scattergl lines on reversed-range axes [#3078]
• Fix axis auto-type routine for boolean data [#3070]
• Fix splom axis placement when the diagonal is missing [#3057]
• Fix line restyle calls on parcoords traces [#3178]
• Fix parcoods rendering after hovermode relayout calls [#3123]
• Fix WebGL warnings for scatter3d traces with blank text items [#3171, #3177]
• Fix WebGL warnings for scatter3d trace with empty lines [#3174]
• Fix rendering of scatter3d lines for certain scene angles [#3163]
• Fix handling of large pad values in sankey traces [#3143]
• Fix scatterpolargl to scatterpolar toggling [#3098]
• Fix scatterpolargl axis-autorange padding [#3098]
• Fix bar text position for traces with set base [#3156]
• Fix bar support for typed arrays for width and offset attributes [#3169]
• Fix aggregate transforms with bad group values [#3093]
• Fix transforms operating on auto-invisible traces [#3139]
• Fix templating for polar and carpet axes [#3092, #3095]
• Ignore invalid trace indices in restyle and update [#3114]
• Fix grid style relayout calls on graph with large splom traces [#3067]
• Fix logging on some old browsers [#3137]
• Remove erroneous warning WARN: unrecognized full object value when relayouting array containers [#3053]

[1.41.3] -- 2018-09-25

Fixed

• Fix handling of hover text in barpolar traces [#3040]
• Fix scatterpolar[gl] text placement in hover label [#3040]
• Fix pie trace support for individual stroke width values [#3030]
• Fix handling of CSS max-width and max-height in auto-size routine [#3033]
• Rotate hover labels when hovermode: 'y' and a single trace produces multiple labels [#3043]
• Rotate hover labels when hovermode: 'closest' and multiple labels are generated including one from an horizontal trace [#3043]
• Fix hover label coloring on white bgcolor [#3048]
• Do not coerce nor validate polar?.bar* attributes on subplots w/o visible barpolar traces [#3023]
• Fix legacy polar attribute descriptions [#3023]

[1.41.2] -- 2018-09-19

Fixed

• Fix two-sided zoombox -> double-click -> one-sided zoombox behavior [#3028]

[1.41.1] -- 2018-09-18

Fixed

• Bring back hover labels on "touch" hover (bug introduced in 1.29.0) [#2997]
• Fix MathJax rendering in legends [#3018]
• Fix fill and layering for multiple stack-groups and unstacked scatter traces [#3005]
• Fix removal of scatter traces with set stackgroup [#3005]
• Fix stacked area gap insertion edge case [#3017]
• Fix zeroline logic for splom-generated axes [#3015]
• Fix error_x and error_y on scatter3d w/o error_z [#3011]
• Fix scatter3d error bars on log axes [#2992]
• Fix Plotly.react when updating geo axis dtick [#3016]
• Fix polar.hole=1 case [#3021]
• Fix handling of polar.sector that span more than 360 degrees [#3021]

[1.41.0] -- 2018-09-12

Added

• Enable selection by clicking on points via new layout attribute clickmode and flag 'select' [#2944]
• Add stacked area charts via new attributes stackgroup and stackgaps in scatter traces [#2960]
• Add barpolar traces - which replace and augment area traces [#2954]
• Add polar.hole to punch hole at the middle of polar subplot offsetting the start of the radial range [#2977, #2996]
• Add an 'inner' radial axis drag box on polar subplots [#2977]
• Add {responsive: true} plot config option [#2974]
• Emit plotly_webglcontextlost event on WebGL context lost [#2986]
• Support all numbered HTML entities (decimal and hex) in text elements [#2932]
• Add Welsh (cy) locale [#2945]

Changed

• Attribute meta information is now stripped be stripped out of bundles (made with bundlers that support browserify transforms) by default [#1584]
• Draw polar axis ticks above polar axis lines [#2977]
• Improve ordering of trace hover labels for matching positions [#2960]
• Speed polar subplot radial drag interactions [#2954]
• Improve pseudo-html conversion performance [#2932]
• Bump regl-splom requirement to ^1.0.4 [#2956]
• Bump glslify requirement to ^6.3.1 [#2990]
• Use gl-text instead of @etpinard/gl-text [#2956]

Fixed

• Fix scatter ordering in inner SVG <g> on some restyle calls [#2978]
• Fix cartesian axis autorange edge cases [#2960]
• Fix double-decoding of some HTML entities in text nodes [#2927]
• Fix scattergl line traces rendered after non-line traces [#2990]
• Fix legend positioning on graphs with very large margins [#2983]
• Fix rendering of ternary subplots fix with showticklabels: false [#2993]
• Fix show/hide updates of tick and tick labels on ternary subplots [#2993]
• Fix handling of multi-selections in ternary subplots [#2944]
• Fix sankey hover under hovermode: false [#2949]
• Fix sankey positioning for non-default domain.x values [#2984]
• Fix type: 'date' polar radial axes [#2954]
• Fix send-to-cloud modebar buttons on graphs with typed arrays [#2995]
• Fix handling of custom transforms that make their own data arrays in Plotly.react[#2973]
• Fix missing violin and colorbar attributes in gd._fullData [#2850]

[1.40.1] -- 2018-08-22

Changed

• Bump browserify to v16 [#2923]
• Bump glslify to v6.2.1 [#2923]
• Use color-normlize@1.3.0 throughout code base [#2923]

Fixed

• Fix logic for hiding zero lines when they conflict with axis lines [#2936]
• Fix exponentformat values 'e' and 'E' on log axes [#2921]
• Fix dynamic layer ordering of heatmap and carpet traces [#2917]
• Fix Plotly.downloadImage when using graph id or figure object as first argument [#2931]
• Fix regl-based rendering when WebGL buffer dimensions don't match canvas dimensions [#2939]

[1.40.0] -- 2018-08-16

Added

• Allow contour, contourcarpet and histogram2dcontour to have corresponding legend items using showlegend [#2891, #2914]
• Add scatterpolar and scatterpolargl attributes r0, dr, theta0 and dtheta [#2895]
• Add layout attributes piecolorway and extendpiecolors for more control over pie colors [#2870]
• Add splom attribute dimensions[i].axis.type to easily override axis type in splom-generated axes [#2899]
• Add support for on-graph text in scatterpolargl traces [#2895]

Changed

• Use derequire browserify plugin to make bundling distributed npm package with browserify possible [#2905]
• Speed up cartesian axis autorange edits (and thus double-click interactions) [#2823]
• Do not clear WebGL context when scattergl graph has no visible:true traces, which speeds up e.g. legend interactions [#2860]
• Compute data extremes per trace, which improves performance in some cases [#2860]
• Use <linearGradient> to render filled colorbars [#2910, #2914]
• Rename trace module setPositions methods crossTraceCalc [#2868]
• Use regl@1.3.7 [#2863]

Fixed

• Fix scalar marker.size bounds in legend items [#2840]
• Fix positioning of legend symbols for traces with fills [#2891]
• Fix scattergl select -> double-click -> pan behavior [#2815]
• Fix scattergl marker for IE11 [#2863]
• Fix inheritance of explicit pie colors by later traces [#2870]
• Fix layer ordering on graphs with multiple contour traces with heatmap coloring [#2891]
• Fix layer ordering on visible toggling for contour-like traces [#2891]
• Fix cases where colorbars would be drawn over its bounds [#2910]
• Fix tickwidth edits on ohlc traces [#2823]
• Fix labels on splom-generated axes with categorical data [#2899]
• Fix handling of splom dimensions on axes of conflicting types [#2899]
• Fix splom trace visible edits [#2860]
• Fix splom select -> double-click -> pan behavior [#2899]
• Fix scatterpolargl behavior during angular and radial drag interactions [#2888]
• Fix handling of auto date ticks below our 100 microseconds limit [#2912]
• Fix scatter3d attributes which had incorrectly labeled textposition and textfont.family as arrayOk and contained unimplemented line.showscale and line.colorbar [#2879]
• Fix scattergl and scatterpolargl attribute declarations for hoveron [#2895]

[1.39.4] -- 2018-08-02

Fixed

• Fix tenths of milliseconds handling in old numeric date data (bug introduced in 1.21.0) [#2847]
• Fix yaxis overlaying yaxis2 layouts (bug introduced in 1.39.3) [#2857]

[1.39.3] -- 2018-07-25

Fixed

• Fix overlaying subplot configuration relayouts [#2831]
• Fix trace toggling from position-editable horizontal legends [#2829]
• Fix [un]selected.marker.opacity settings on scattergeo traces [#2827]
• Fix selections on some Robinson projections [#2827]

[1.39.2] -- 2018-07-16

Fixed

• Fix scattergl selection after resize relayouts [#2801]
• Fix scattergl layout replot edits [#2793]
• Fix cartesian axis range animations (bug introduced in 1.37.0) [#2788]
• Fix contour labels that require thousands suffixes [#2806]
• Fix 'legendonly' legend items link to array marker.symbol [#2816]
• Fix handling of duplicate points under line.simplify [#2814]
• Fix transform removal via Plotly.react [#2805]
• Fix out-of-subplot scroll zoom on some geo projection types [#2811]
• Fix hover label in RTL pages [#2790]
• Reduce minified bundle back to their 1.39.0 sizes [#2792]

[1.39.1] -- 2018-07-09

Fixed

• Fix mapbox subplots in our minified bundles (bug introduced in 1.39.0) [#2789]
• Fix box and violin traces inner parts removal (bug introduced in 1.37.0) [#2785]

[1.39.0] -- 2018-07-05

Added

• Add distributed npm packages for the main plotly.js bundle and all our partial bundles for easy installation and bundling [#2670]
• Add template machinery along with helpers methods Plotly.makeTemplate and Plotly.validateTemplate [#2764]
• Add 3D streamtube traces [#2658]
• Add support for on-graph text in scattergl traces [#2737, #2783]
• Add gridshape attribute to polar subplots with values 'circular' (the default) and 'linear' (to draw polygon grids) [#2739]
• Add 'range' and 'change' aggregate transform functions [#2764]
• Add visible attribute to rangeselector and updatemenu buttons, slider steps and mapbox layout layers as well as tickformatstops items [#2761]
• Add support for colorbar linked to marker.color values for splom, scatterpolar and scatterpolargl traces [#2681]
• Revamp icon settings in custom mode bar buttons, allowing users to specify their own dimensions and SVG transforms [#2762]
• Add plotlyServerURL config option [#2760]
• Added no-WebGL warnings for graphs with scattergl, scatterpolargl, splom and parcoords traces [#2697]

Changed

• plotly_afterplot is now emitted after all edit types [#2773]
• Trace uid is no longer mutated into user trace objects [#2681]
• No longer add marker.line in scattermapbox fullData [#2766]
• Use regl@1.3.6 [#2694]
• Use mapbox-gl@0.45.0 [#2709]

Fixed

• Fix Plotly.react's handling of changing auto-margins [#2681]
• Make plotting/updating WebGL-based traces fail gracefully when WebGL isn't supported [#2697]
• Fix mapbox layout layer updates [#2734]
• Fix mapbox event inconsistencies [#2766]
• Correctly emit plotly_relayout at end of scroll on mapbox subplots [#2709]
• Fix scatter3d scalar hovertext handling [#2698]
• Fix line decimation for segments crossing the viewport [#2705]
• Fix surface trace contours when first level has length zero [#2712]
• Fix contour(x|y|z).highlight partial settings [#2712]
• Fix old date timezone precision in Chrome 67+ [#2747]
• Fix Plotly.validate for attribute with trailing numbers (e.g. x0, y1) [#2761]
• Fix x-only zoom moves when xaxis.fixedrange: true[#2776]
• Fix colorbar edits for parcoords and histogram traces [#2681]
• Fix bandwidth for single-value violins [#2775]
• Sanitize margin after 'autosize' relayouts [#2758]
• Make Plots.resize work when layout attribute is gone from graph div [#2710]
• Fix colorscale attribute descriptions [#2658]

[1.38.3] -- 2018-06-11

Fixed

• Fix cone axis padding when under sizemode: 'absolute' [#2715]
• Fix cone scaling on irregular grids [#2715]
• Fix cone sizemode: 'absolute' scaling and attribute description [#2715]
• Improve cone hover picking [#2715]
• Fix exception during histogram cross-trace computation [#2724]
• Fix handling of custom transforms that make their own data arrays [#2714]

[1.38.2] -- 2018-06-04

Fixed

• Fix bar text removal (bug introduced in 1.36.0) [#2689]
• Fix handling number 0 in hover labels and on-graph text [#2682]

[1.38.1] -- 2018-05-29

Fixed

• Fix transforms on scattergl traces [#2677]
• Fix marker.line.width scaling in scattergl traces [#2677]
• Fix [un]selected.marker.size scaling in scattergl traces [#2677]
• Create two not three WebGL contexts for scattergl/splom graphs (bug introduced 1.36.0) [#2656]
• Fix z updates of interpolated values on heatmap and contour traces with gaps [#2657]
• Fix select/pan double-click behavior when relayout from one another (bug introduced in 1.36.0) [#2668]
• Fix shift selection behavior after pan/scroll (bug introduced in 1.36.0) [#2676]

[1.38.0] -- 2018-05-23

Added

• Add 3D cone traces to visualize vector fields [#2641, #2647]
• Add ability to interactively change length and rotate line shapes [#2594]
• Add toImageButtonOptions config object to override to-image mode bar button options [#2607]
• Add Brazilian Portuguese (pt-br) locale [#2622]
• Add Italian (it) locale [#2632]

Changed

• Improve cartesian scroll and pan (mostly) performance for graphs with many marker or/and text nodes [#2623]
• Improve splom first render and axis-range relayout performance [#2628]
• Improve multi-axis axis-range relayout performance by updating minimal set of axes instead of all axes [#2628]
• Use "grab" cursor to denote when annotations and shapes are draggable [#2594]
• Ignore zero and negative link values in sankey traces [#2629]
• Ignore unused and malformed links sankey traces without logging [#2629]

Fixed

• Fix scattergl error bar computations when input value are numeric strings [#2620]
• Fix scattergl error bar computations for x0/dx and y0/dy coordinates [#2620]
• Fix violin kde span edge cases [#2650]
• Make sankey traces accept numeric strings [#2629]
• Fix axis range edits under axis constraints [#2620]
• Fix "sloppy click" event emission during cartesian zoom [#2649]
• Fix layout grid validation which lead to exceptions [#2638]
• Fix parcoords rendering in old Safari version [#2612]
• Link to https://get.webgl.org instead of http version in no WebGL message [#2617]

[1.37.1] -- 2018-05-02

Fixed

• Fix Plotly.react when adding/removing traces (bug introduced in 1.37.0) [#2603]

[1.37.0] -- 2018-05-01

Added

• Add plotly_legendclick and plotly_legenddoubleclick events [#2581]
• Add Swahili (sw) locale [#2526]

Changed

• Improve cartesian trace update and removal by using more d3-iomatic patterns. This results in some performance improvements during redraws [#2574]
• Our internal Lib.nestedProperty no longer prunes empty containers in gd.data, gd.layout, gd._fullData and gd._fulllayout. We made this change to clean up some of the Plotly.react internals. This also lead to a slight performance boost [#2577]

Fixed

• Fix Plotly.react's handling of transformed traces [#2577]
• Fix Safari support for scattergl and splom traces [#2593]
• Fix scattergl point clustering edge cases [#2593]
• Fix scattergl selection after double-click on graphs with more than 1e5 points [#2593]
• Fix artificial number of lines limit in scattergl traces [#2568]
• Fix typed array support in color array in scattergl traces [#2596]
• Fix typed array support for splom traces [#2596]
• Make scatter and scattercarpet coexist on same subplot [#2574]
• Fix incorrect fallback border color for axis common hover labels [#2557]
• Fix handling of blank editable legend items [#2587]
• Fix spikelines positioning in Firefox [#2590]
• Fix Plotly.react modebar updates when the locale changes [#2592]
• Fix scatter selection performance regression (dating back to 1.32.0) [#2583]
• Fix plotly_beforeplot and plotly_beforehover event handlers when attached with gd.once [#2581]

[1.36.1] -- 2018-04-18

Fixed

• Fix scattergl in dist and CDN bundles (due to browser-pack-flat discrepancy introduced in 1.36.0) by removing browser-pack-flat from our bundling pipeline [#2572]

[1.36.0] -- 2018-04-17

Added

• Add splom (aka scatter plot matrix) traces [#2505]
• Add multi-selection and click-to-select on parcoords axes [#2415]
• Add selection and improve legend items for ohlc and candlestick [#2561]
• Add 'fixed size' layout shapes through new shape attributes xsizemode, ysizemode, xanchor and yanchor [#2532]
• Add layout attribute selectdirection to restrict select-box direction [#2506]
• Add support for selections on graphs with range sliders [#2561]
• Add support for ragged table inputs [#2511]
• Add Czech (cs) locale [#2483]
• Add Japanese (ja) locale [#2558]

Changed

• Multiple performance improvements for cartesian subplots, most noticeable on graphs with many cartesian subplots [#2474, #2487, #2527]
• Use new gl-mesh3d version that attempts to make lighting results less hardware-dependent [#2365]
• New and improved point-clustering algorithm for scattergl [#2499]
• Improved regl-line2d component [#2556]

Fixed

• Fix memory leak in parcoords traces [#2415]
• Fix scattergl selectedpoints clearance under select/lasso drag modes [#2492]
• Fix scattergl horizontal lines rendering [#2564]
• Fix scattergl unselected marker opacity for array marker opacity traces [#2503]
• Fix scattergl hover over data gaps [#2499]
• Fix ohlc on category axes [#2561]
• Fix inconsistencies in ohlc and candlestick event data [#2561]
• Fix hover text for candlestick traces [#2561]
• Fix scattermapbox selections for traces with data gaps [#2513]
• Fix table border cases that got previously cut off [#2511]
• Fix box traces with one jittered outlier [#2530]
• Fix cliponfalse: false on reversed axes [#2533]
• Fix buggy plot_bgcolor rendering when updating axis overlaying attribute [#2516]
• Fix buggy Plotly.react behavior for carpet, contourcarpet, scattercarpet, table and x/y/z column heatmap traces [#2525]
• Fix buggy Plotly.react behavior for ohlc and candlestick traces [#2561]
• Fix ordered categories on graphs with visible: false traces [#2489]
• Fix ordered categories in multi-subplot graphs [#2489]
• Fix inconsistencies when ordering number and numeric string categories [#2489]
• Fix format days in English locale [#2490]
• Handle HTML links with encoded URIs correctly in svg text labels [#2471]

[1.35.2] -- 2018-03-09

Fixed

• Ping mapbox-gl to 0.44.1 so that users on fresh npm install do not get the wrong mapbox-gl version message [#2467]
• Fix swapping between scatter and scatter3d traces and other potential problems caused by incorrect axis constraints resetting [#2465]

[1.35.1] -- 2018-03-08

Fixed

• Fix scatterpolar in dist and CDN bundles (due to browser-pack-flat discrepancy introduced in 1.35.0) [#2458]
• Fix removing and adding scatter(gl) as not the first module [#2455]
• Ensure we don't draw ticks if there are none to draw [#2454]

[1.35.0] -- 2018-03-07

Added

• Add automargin attribute to cartesian axes which auto-expands margins when ticks, tick labels and/or axis titles do not fit on the graph [#2243]
• Add support for typed arrays as data array inputs [#2388]
• Add layout grids attribute for easy subplot generation [#2399]
• Implement cliponaxis: false for bar text [#2378]
• Add opposite axis attributes for range slider to control y axis range behavior [#2364]
• Generalize hoverdistance and spikedistance for area-like objects [#2379]
• Bring scattergl auto-range logic to par with SVG scatter [#2404]
• Add selected/unselected marker color size support to scattermapbox traces [#2361]

Changed

• Remove all circular dependencies in our src/ directory [#2429]
• Build our CDN bundles with browser-pack-flat browserify plugin [#2447]
• Bump mapbox-gl to v0.44.0 [#2361]
• Bump glslify to v6.1.1 [#2377]
• Stop relinking customdata, ids and any matching objects in gd._fullLayout during Plots.supplyDefaults [#2375]

Fixed

• Fix buggy auto-range / auto-margin interaction leading to axis range inconsistencies on redraws (this bug was mostly noticeable on graphs with legends) [#2437]
• Bring back scattergl lines under select/lasso dragmode (bug introduced in 1.33.0) [#2377]
• Fix scattergl visible toggling for graphs with multiple traces with different modes (bug introduced in 1.33.0) [#2442]
• Bring back spikelines for traces other than scatter (bug introduced in 1.33.0) [#2379]
• Fix Plotly.Fx.hover acting on multiple subplots (bug introduced in 1.32.0) [#2379]
• Fix range slider with stacked y axes positioning (bug introduced in 1.32.0) [#2451]
• Fix scattergl color clustering [#2377]
• Fix Plotly.restyle for scattergl fill [#2377]
• Fix multi-line y-axis label positioning [#2424]
• Fix centered hover labels edge cases [#2440, #2445]
• Fix hover labels in bar groups in compare mode [#2414]
• Fix axes and axis lines removal [#2416]
• Fix auto-sizing in Plotly.react [#2437]
• Fix error bars for Plotly.react and uneven data arrays [#2360]
• Fix edits for date-string referenced annotations [#2368]
• Fix z hover labels with exponents [#2422]
• Fix yet another histogram edge case [#2413]
• Fix fall back for contour labels when there's only one contour [#2411]
• Fix scatterpolar category angular period calculations [#2449]
• Clear select outlines on mapbox zoomstart [#2361]
• Fix legend click to causes legend scroll bug [#2426]

[1.34.0] -- 2018-02-12

Added

• Add Plotly.react, a new do-it-all API method that creates and update graphs using the same API signature [#2341]
• Add constraint-type contours to contour traces [#2270]
• Add notched and notchwidth attributes to box traces [#2305]
• Add localization machinery to auto-formatted date axis ticks [#2261]
• Add support for text in mesh3d traces [#2327]
• Add support for scalar text in surface traces [#2327]
• Make mode bar for graphs with multiple subplot types more usable [#2339]
• Add npm@5 package-lock file [#2323]

Changed

• All of gl-vis dependencies now use gl-shader@4.2.1 [#2293, #2306]
• All our dependencies and source now use glslify@6.1.0 [#2326]

Fixed

• Prevent page scroll on mobile device on gl2d and gl3d subplots [#2296]
• Fix multi-marker scattergl selection errors (bug introduced in 1.33.0) [#2295]
• Fix Plotly.addTraces in scattergl selection call backs (bug introduced in 1.33.0) [#2298]
• Fix trace opacity restyle for scattergl traces (bug introduced in 1.33.0) [#2299]
• Fix scattergl handling of selectedpoints across multiple traces [#2311]
• Fix scattergl horizontal and vertical line rendering [#2340]
• Fix restyle for scalar hoverinfo for scatter3d, surface and mesh3d traces [#2327]
• Fix table when content-less cells and headers are supplied [#2314]
• Fix Plotly.animate for attribute nested in dimensions containers [#2324]
• Fix hoverformat on visible: false cartesian axes (bug introduced in 1.33.0) [#2329]
• Fix handling of double negative translate transform values [#2339]
• Fix compare hovermode fallback for non-cartesian subplot types [#2339]
• Fix animation error messages when overriding and ignoring frames updates [#2313]

[1.33.1] -- 2018-01-24

Fixed

• Fix selection on scattergl plots with >20k points [#2266]
• Update Spanish localization with new strings [#2268]
• Fix test_dashboard overly rigid restriction so parcoods works there [#2273]
• Make layout.colorway compatible with sankey traces [#2277]
• Fix click events on fixedrange subplots [#2279]
• Remove ghost fill when trace data is emptied out [#2280]
• Fix resizing of new scattergl plots [#2283]
• Fix positioning of carpet axis titles for cheaterslope edge cases [#2285]
• Fix coloring and hover info for heatmaps and contour maps with nonuniform bins [#2288]

[1.33.0] -- 2018-01-18

Added

• Completely rewritten scattergl trace type using regl [#2258]
• Completely rewritten polar chart renderer accompanied by new scatterpolar and scatterpolargl trace types [#2200]
• Add the ability to draw layout images and layout shapes on subplot with scattergl traces [#2258]
• Add fill capabilities to scattergl traces [#2258]
• Add spikedistance, hoverdistance and skipsnap for more customizable spikes and hover behavior on cartesian subplots [#2247]
• Add official Spanish translation (locale es) [#2249]
• Add official French translation (locale fr) [#2252]
• Add locale machinery to annotation new text placeholder [#2257]

Changed

• Old polar trace types (scatter with (r,t) coordinates, bar with (r,t) coordinates and area) are now deprecated.

Fixed

• Fix gl2d tick label on pan interaction regression [#2258]
• Fix candlestick hover label regression (bug introduced in v1.32.0) [#2264]
• Fix several gl2d axis related bugs with new regl-based scattergl [#2258] See full list under the On-par gl2d milestone https://github.com/plotly/plotly.js/milestone/3
• Fix several polar bugs with scatterpolar [#2200]. See full list under the On-par polar milestone https://github.com/plotly/plotly.js/milestone/2
• Fix scattergl marker.colorscale handling [#2258]
• Fix ternary relayout calls involving axis tick styles and titles [#2200]
• Fix decimal and thousands settings in de locale [#2246]
• Make scroll handler passive, removing those annoying console warnings [#2251]

[1.32.0] -- 2018-01-11

Added

• Add localization machinery including an official German translation (locale de) [#2195, #2207, #2210, #2232, #2217]
• Add violin trace type [#2116]
• Add selected and unselected attribute containers to customize selection states [#2135]
• Add support for multi-selections [#2140]
• Add layout colorway to custom the trace-to-trace color sequence [#2156]
• Add tickformatstops to set tick format per cartesian axis range [#1965]
• Add hover labels and selections to box points [#2094]
• Histogram events & bin hover label improvements [#2113]
• Add support for aggregation in pie traces [#2117]
• Add annotations startarrowhead, arrowside, startarrowsize and startstandoff attributes [#2164]
• Add zhoverformat to format z values in heatmap, contour and 2d histogram traces [#2106, #2127]
• Add marker.opacity to bar traces [#2163]
• Add Cividis colorscale [#2178]
• Implement transform inverse mapping [#2126, #2162]

Changed

• Selections are now persistent [#2135]
• Make subplot initialization and removal more robust and consistent [#2227]
• Share WebGL context between gl2d and parcoords subplots [#2159, #2238]
• Rename Save and edit plot in cloud mode bar button Edit in Chart Studio [#2183]
• Minify bundles using minify-stream instead of UglifyJS2 [#2187]
• Update header for new year 2018 [#2231]
• Remove type="text/javascript" from <script> tags present in our docs and test utilities [#2217]

Fixed

• Fix right-click handling [#2241]
• Miscellaneous fixes for table traces [#2107, #2182]
• Fix horizontal legend items alignment edge case [#2149]
• Fix shape and updatemenu layering [#2121]
• Fix bar with error bar with set ids edge case [#2169]
• Fix cliponaxis: false for non linear cartesian axes [#2177]
• Fix heatmap non-uniform brick gaps problem [#2213]
• Fix choropleth selection when visible: false trace are present on graph [#2099, #2109]
• Fix yet another contour drawing bug [#2091]
• Clean up pie event data [#2117]
• Fix scatter + bar hover edge cases [#2218]
• Allow hover labels to extend to edges of graph area [#2215]
• Harden location-to-feature against non-string country names for geo subplot [#2122]
• Remove obsolete smith attribute from plot schema [#2093]
• Fix colorbar class name [#2139]
• Make Plotly.Plots.resize accept graph ids (as well as graph divs) [#2212]

[1.31.2] -- 2017-10-23

Fixed

• Fix multiple table restyle bugs [#2107]
• Fix selection work when visible: false choropleth traces are present [#2099, #2109]
• Fix (another) contour generation bug [#2091]

[1.31.1] -- 2017-10-16

Fixed

• Fix IE and Edge SVG toImage support [#2068]
• Return empty set during selections of visible: false traces [#2081]
• Fix scroll glitch in table traces [#2064]
• Fix handling of 1D header values in table [#2072]
• Fix table line style defaults [#2074]
• Do not attempt to start drag on right-click [#2087]
• Phase out alignment-baseline attributes in SVG text nodes [#2076]
• Listen to document events on drag instead of relying on cover-slip node [#2075]

[1.31.0] -- 2017-10-05

Added

• Add table trace type [#2030]
• Add geo.center making geo views fully reproducible using layout attributes [#2030]
• Add lasso and select-box drag modes to scattergeo and choropleth traces [#2030]
• Add lasso and select-box drag modes to bar and histogram traces [#2045]
• Add scale option to Plotly.toImage and Plotly.downloadImage [#1979]
• Add plot-schema.json to dist/[#1999]

Changed

• Throttle lasso and select-box events for smoother behavior [#2040]
• Harmonize gl3d and gl2d zoom speed with cartesian behavior [#2041]

Fixed

• Fix numerous restyle and relayout bugs [#1999]
• Fix handling of extreme off-plot data points in scatter lines [#2060]
• Fix hoverinfo array support for scattergeo, choropleth, scatterternary and scattermapbox traces [#2055]
• Fix Plotly.plot MathJax promise chain resolution [#1991]
• Fix legend double-click trace isolation behavior for graphs with visible: false traces [#2019]
• Fix legend visibility toggling for traces with groupby transforms [#2019]
• Fix single-bin histogram edge case [#2028]
• Fix autorange for bar with base zero [#2050]
• Fix annotations arrow rendering when graph div is off the DOM [#2046]
• Fix hover for graphs with scattergeo markers outside 'usa' scope [#2030]
• Fix handling of cross anti-meridian geo lonaxis ranges [#2030]
• Fix miter limit for lines on geo subplots [#2030]
• Fix marker.opacity handling for scattergeo bubbles [#2030]
• Fix layout animation of secondary axes [#1999]
• Fix sankey hover text placement for empty link.label items [#2016]
• Fix sankey rendering of nodes with very small values [#2017, #2021]
• Fix sankey hover label positioning on pages that style the 'svg-container' div node [#2027]
• Fix aggregation transforms restyle calls [#2031]

[1.30.1] -- 2017-09-06

Fixed

• Fix shapes on overlaid axes [#1975]
• Correctly clear cartesian axis titles on full axis updates [#1981]
• Make cartesian hover spikes work when no tick labels are present [#1980]

[1.30.0] -- 2017-08-21

Added

• Add aggregate transform [#1924]
• Add constraintext attribute for bar traces [#1931]
• Add axis layer attribute to ternary axes [#1952]
• Add cross-trace matching auto-binning logic to histogram traces [#1944]
• Add data/layout/config api to Plotly.toImage to generate a static graph without having to render an interactive graph first [#1939]
• Add nameformat attribute to groupby transforms to set pattern by which grouped traces are named [#1919]

Fixed

• Fix hover label exponents [#1932, #1949]
• Fix scatter fill with isolated endpoints [#1933]
• Fix parcoords axis tick scale when ticktext is unordered [#1945]
• Fix sankey with 4 multi-links or more [#1934]
• Fix exponent labels beyond SI prefixes [#1930]
• Fix image generation for marker gradient legend items [#1928]
• Fix parcoords image generation when multiple parcoords graphs are present on page [#1947]
• Ignore bare closing tags in pseudo-html string inputs [#1926]

[1.29.3] -- 2017-07-27

Fixed

• Fix groupby / filter interactions when filter includes target data [#1892]

[1.29.2] -- 2017-07-26

Fixed

• Add fallback for ArrayBuffer.isView fixing gl2d and gl3d rendering in environments that don't support it (e.g. RStudio) [#1915]

[1.29.1] -- 2017-07-25

Fixed

• Fix axis line rendering when showticklabels is false (bug introduced in 1.29.0) [#1910]
• Fix histogram auto bin restyle [#1901]
• Fix colorbar edge case that caused infinite loops [#1906]

[1.29.0] -- 2017-07-19

Added

• Add touch interactions to cartesian, gl2d and ternary subplots including for select and lasso drag modes [#1804, #1890]
• Add support for contour line labels in contour and contourcarpet traces [#1815]
• Add support for select and lasso drag modes on scattermapbox traces [#1836]
• Add double click interactions to mapbox subplots [#1883]
• Add reset view and toggle hover mode bar buttons to mapbox subplots [#1883]
• Add support for array marker.opacity settings in scattermapbox traces [#1836]
• Add namelength layout and trace attribute to control the trace name's visible length in hover labels [#1822]
• Add cliponaxis attribute to scatter and scatterternary traces to allow markers and text nodes to be displayed above their subplot's axes [#1861]
• Add axis layer attribute with 'above traces' and 'below traces' values [#1871]
• Add granular editable configuration options [#1895]
• Expanded traces generated by transforms now have unique colors [#1830]

Fixed

• Fix axis line width, length, and positioning for coupled subplots [#1854]
• Fix alignment of cartesian tick labels [#1854]
• Fix rendering and updates of overlaying axis lines [#1855]
• Fix hover for 2D traces with custom colorbar tickvals [#1891]
• Fix hover and event data for heatmapgl and contourgl traces [#1884]
• Fix event data for pie and sankey traces [#1896]
• Fix drag mode 'pan'in IE and Edge [#1871]
• Fix bar, error bar and box point scaling on scroll zoom [#1897]
• Fix shading issue in surface trace in iOS [#1868]
• Fix lasso and select drag modes for scatterternary traces [#1831]
• Fix cases of intersecting contour lines on log axes [#1856]
• Safer construction of popup click handler [#1888]
• Fix animation of annotations, shapes and images [#1315]
• Fix histogram bin computation when more than 5000 bins are needed [#1887]
• Fix tick label rendering when more than 1000 labels are present [#1898]
• Fix handling of empty transforms item [#1829]

[1.28.3] -- 2017-06-26

Fixed

• Fix deselect on double-clicking for gl2d traces [#1811]
• Fix Plotly.purge for gl2d and gl3d subplots (bug introduced in 1.28.0, leading to memory leaks) [#1821]
• Fix hover labels for ohlc and candlestick traces (bug introduced in 1.28.0) [#1808]
• Fix event data for scattergeo traces [#1819]
• Fix support of HTML entity number in pseudo-html inputs [#1820]

[1.28.2] -- 2017-06-21

Fixed

• Fix IE rendering error (node.children doesn't work on SVG nodes in IE) [#1803]

[1.28.1] -- 2017-06-20

Fixed

• Fix scattergl selected points. Points do not disappear after zoom any more in fast mode [#1800]

[1.28.0] -- 2017-06-19

Added

• Allow constraints by domain on cartesian axes using new axis attributes: contrain: 'domain' and contraintoward [#1767]
• Add gl3d annotations [#1638, #1786]
• Add support for lasso and select dragmode on scattergl traces [#1657]
• Add 48 new scattergl marker symbols (for total of 56) [#1781]
• Add array support for hoverinfo [#1761]
• Add animation support for fillcolor attribute [#1722]
• Add colorscale attributes to mesh3d traces [#1719]
• Add support for target and popup attributes pseudo-html text links [#1726]
• Add per-direction updatemenu dropdown arrows [#1792]
• Add execute attribute to sliders and updatemenus to skip method calls while still triggering associated events [#1700]
• Add skip value to the method attribute for sliders and updatemenus which acts as a no-op [#1699]

Changed

• Include values of all array attributes in hover/click/select event data including ids and customdata [#1770]
• Make gl2d axis tick labels on-par with SVG versions [#1766]
• Build SVG text nodes directly instead of using DOMParser [#1783]
• Rework transform style into array syntax [#1794]
• Recompute hover on click to increase click robustness [#1646]
• Miscellaneous performance improvements including improved bounding box caching and adding a few short-circuit [#1772, #1792]

Fixed

• Fix pan/zoom for layout component linked to category axes [#1748, #1791]
• Fix non-linear gl3d axis range settings [#1730]
• Fix ohlc and candlestick when open value equals close value [#1655]
• Fix annotations positioning when MathJax symbols are present [#1788]
• Fix array values in event data for transformed traces [#1717, #1727, #1737]
• Fix relayout event data for gl3d camera interactions [#1732]
• Fix scatter markers and text nodes linked to ids ordering on updates [#1709]
• Fix Plotly.validate for dynamic enumerated attribute (e.g. axis anchor, overlaying) [#1769]
• Fix pseudo-html handling in sliders, updatemenus, range-sliders, range-selectors and carpet traces [#1792]
• Fix annotation bounding box and arrow heads in IE [#1782]
• Fix svg exports in IE for graphs with multiple clip paths [#1740]
• Fix sankey positioning in IE [#1723, #1731, #1729, #1735]
• Fix relative links in IE [#1715]
• Suppress render warning in gl3d graphs with error bars [#1718]

[1.27.1] -- 2017-05-17

Fixed

• Fix text box positioning on scrolled windows (bug introduced in 1.27.0) [#1683, #1690]
• Fix styling over links in annotation text [#1681]
• Fix mesh3d with vertexcolor coloring [#1686]
• Fix sort transform with set categoryarray [#1689]
• Fix scatter text node data join [#1672]
• Fix plot promise resolution in graphs with layout images in IE11 [#1691]

[1.27.0] -- 2017-05-10

Added

• Sankey diagram with new trace type sankey [#1591, #1664]
• Add hoverlabel trace and layout attributes to customize hover label colors and fonts [#1582]
• Add marker.gradient attributes for scatter, scattergeo, scatterternary and scattercarpet traces [#1620]
• Add sort transform [#1609]
• Add preservegaps filter transform attribute [#1589]
• Add != (not equal) filter transform operation [#1589]
• Add labelfont, tickfont and rangefont attributes for parcoords traces [#1624]
• Pass DOM mouse event on plotly_clickannotations events [#1652]

Changed

• Performance optimization for range sliders and Drawing cache [#1585]

Fixed

• Fix scattergl marker symbol positioning (bug introduced in 1.25.0) [#1633]
• Fix gl2d zoom where two clicks would trigger a zoom box (bug introduced 1.26.0) [#1632]
• Fix legend double click handler for carpet traces [#1636]
• Fix restyle for scattercarpet for style attributes with array support [#1641]
• Fix restyle for array layout components when more than 10 items are present [#1639]
• Fix select-box and lasso selections so that they don't include bad-data items [#1656]
• Fix restyle for contour zmin and zmax [#1653]
• Fix scatter text node transitions [#1616, #1626]

[1.26.1] -- 2017-04-21

Fixed

• Fix pie fill opacity [#1615]
• Fix contour.value declaration for contourcarpet trace [#1612]

[1.26.0] -- 2017-04-18

Added

• Carpets plots with new trace types: carpet, scattercarpet and contourcarpet [#1595, #1596]
• Axis constraints with new cartesian and gl2d axis attributes scaleanchor and scaleratio [#1522]
• Annotations width, height, valign and xshift and yshift attributes [#1551, #1590]
• Hover text over annotations with hovertext and hoverlabel attributes [#1573, #1590]
• Add hovertext attribute to trace types that can show text values on graph to allow setting hover text independently [#1523]
• Add spikes interactions functionality to cartesian subplots [#1461]
• Pass mouse DOM mouse event during plotly_click, plotly_hover and plotly_unhover [#1505]
• Add visible attribute to cartesian and gl3d axes to easily make them disappear [#1595, #1599]
• Make deleteFrames(gd) delete all frames [#1531]

Changed

• Lock down gl-plot3d and matrix-camera-controller dependencies to include latest memory management improvements [#1570]
• Performance improvements for category axes [#1544]
• Skip overhead for showLink config option is false [#1557]
• Optimize scatter trace sorting on updates [#1555]
• Lock down gl-scatter2d-sdf dependency to 1.3.4 while waiting for bug fix there [#1572]

Fixed

• Fix bar sizes of traces with (x,y) NaN items [#1519]
• Fix handling of NaN items in array-ok attributes for scattergeo and scattermapbox traces [#1538, #1564]
• Fix hover label position for bar traces with set width [#1527]
• Fix restyle for attribute containers [#1536]
• Fix restyle exception for scattergl traces with no y data [#1567]
• Fix animation of text nodes that contain <br>s [#1602]
• Fix toImage for mapbox subplots when access token is set in the config options [#1598]
• Emit plotly_hover on pie traces when hoverinfo: 'none' [#1505]
• Pass trace info during plotly_click on pie traces [#1505]
• Pass through the wheel event if the scrollbar is at the very top or bottom [#1588]

[1.25.2] -- 2017-03-31

Fixed

• rm const token from dist bundles that depend on big-rat, see rat-nest/big-rat#4 for more details.

[1.25.1] -- 2017-03-28

Fixed

• Fix restyle for scattergl traces with array marker.size (bug introduced in 1.25.0) [#1521]
• Fix relayout for histogram2dcontour traces [#1520]
• Do not unnecessary mutate parcoords full trace objects when computing line color and colorscale [#1509, #1508]
• Do not unnecessary coerce trace opacity in parcoords traces [#1506]

[1.25.0] -- 2017-03-20

Added

• Double click handler on legend items to isolate 1 traces / group on graph [#1432]

Changed

• Use signed distance fields (SDF) method to render heterogeneous scattergl traces improving performance [#1398]
• Improve first-render performance in scattergl traces by only creating visible objects [#1444]
• Use color-rgba instead of tinycolor2 to convert plotly color definitions to WebGL buffers improving performance for gl3d and gl2d traces [#1443]
• Bump uglify-js minifier to version 2.8.12 [#1450]

Fixed

• Fix 3D trace ordering on visibility toggle [#1466]
• Fix gl2d trace ordering on visibility toggle [#1444]
• Fix autorange routine for bar traces [#1475]
• Fix shapes and images referencing a missing subplot [#1481]
• Ensure array attributes can be restyled in all situations [#1488]
• Fix XYZ-column-to-2D-z convert routine for columns containing nulls [#1491]
• Fix range slider display when anchored to log axes [#1472]
• Make sure all trace types can be deleted from range sliders [#1472]
• Let the parcoords object tree be garbage collected on restyle [#1479]
• Bring back support for histogram colorscales (bug introduced in 1.21.3) [#1500]
• Support all axis types for clicktoshow annotations [#1497]
• Fix 3D margin relayout calls (bug introduced in 1.24.1) [#1494]
• Fix relayout when trying to update empty axis containers (bug introduced in 1.24.0) [#1494]

[1.24.2] -- 2017-03-10

Fixed

• Fix removal of last annotation or shape [#1451]
• Fix shape and image clip path removal [#1453]
• Fix overdrawing of data-referenced images [#1453]
• Make handling of layer: 'below' shape more robust [#1453]
• Allow multiple parcoords dimensions with the same label [#1457]

[1.24.1] -- 2017-03-07

Fixed

• Ensure that calling restyle or relayout in a plotly_unhover handler does not result in an infinite loop (bug introduced in 1.24.0) [#1448]
• Ensure autorange routine is bypassed when axis range is set (bug introduced in 1.24.0) [#1425]
• Fix annotations dragging in editable mode (bug introduced in 1.22.0) [#1441]
• Show correct curve number in gl2d hover data [#1427]
• Clear parcoords canvas specially if no panel exist [#1440]
• Fix parcoords to render last block increment [#1447]
• Axis refs in hover data are not plagued by circular references [#1431]

[1.24.0] -- 2017-02-27

Added

• Add parcoords trace type (parallel coordinate plots) [#1256]
• Add support for multiple range sliders [#1355]
• Add 'aitoff' and 'sinusoidal' geo projection types [#1422]
• Implement scene.dragmode: false to disable drag interaction on 3D subplots [#1377]
• Add showAxisDragHandles and showAxisRangeEntryBoxes configuration options [#1389]
• Add customdata attribute to scatter traces to add custom data to scatter SVG nodes [#1379]

Changed

• Consistent handling of array containers during relayout [#1403]
• Improve hover for choropleth traces [#1401]
• Make range slider handles and mask crispier [#1409]
• Bump country-regex dependency to 1.1.0 [#1392]

Fixed

• Fix 3D on iOS devices [#1411]
• Fix surface trace opacity scaling [#1415]
• Fix hover data in animations [#1274]
• Fix annotations edit when dragging from one axis to another [#1403]
• Fix 3D hover labels for date axes [#1414]
• Deleting cartesian subplots now clear their corresponding axis titles [#1393]
• Fix hover for xyz column heatmap trace 'text' [#1417]
• Fix scattermapbox lines with trailing gaps [#1421]
• Make restyle, relayout and update not mutate input update objects [#1376]
• Fix race condition in gl2d toImage [#1388]
• Fix handling of Virgin Islands country name [#1392]
• Fix Plotly.validate for colorscale attributes [#1420]

[1.23.2] -- 2017-02-15

Changed

• Bower installs now fetch un-minified dist/plotly.js bundle [#1373]
• Add package to packagist repository [#1375]

[1.23.1] -- 2017-02-13

Fixed

• Fix relayout for scene.camera values [#1364]
• Fix scaling on axis corner drag interactions for bar traces [#1370]
• Allow bar and histogram traces to coexist on same subplot [#1365]
• Fix bar position computations when placeholder traces are present [#1310]
• Fix auto-axis-type routine for data-less candelesticktraces [#1359]

[1.23.0] -- 2017-02-06

Added

• Add scrollbox to long dropdown updatemenus [#1214]

Fixed

• Multiple IE9 fixes [#1332]
• Ensure that plotly_afterplot is fired before Plotly.plot promise is resolved [#1342]
• Fix exception when dragging graphs with empty text labels [#1336]
• Fix exception when creating empty ohlc and candlestick traces [#1348]
• Fix editable: true legend items logic for ohlc and candlestick traces [#1349]
• Fix restyle for contour traces in cases where autocontour is defaulted to true [#1338]
• Fix edge case in axis label tick assignments [#1324]
• Fix vanishing titles text in editable: true [#1351]
• Fix 3D thumbnail image generation [#1327]

[1.22.0] -- 2017-01-19

Added

• Add cumulative histogram attributes to generate Cumulative Distribution Functions [#1189]
• Add standoff attribute for annotations to move the arrowhead away from the point it's marking [#1265]
• Add clicktoshow, xclick and yclick attributes for annotations to show/hide annotations on click [#1265]
• Support data-referenced annotation in gl2d subplots [#1301, #1319]
• Honor fixedrange: false in y-axes anchored to xaxis with range slider [#1261]
• Add fallbacks for IE9 so that all cartesian traces can render without any polyfill [#1297, #1299]

Changed

• Adapt plot schema output for plotly.py 2.0 [#1292]
• Bump mouse-change dep to ^1.4.0 [#1305]
• Improve performance in visible toggling for scattergl [#1300]

Fixed

• Fix XSS vulnerability in trace name on hover [#1307]
• Fix ternary and geo subplot with visible: false first trace [#1291]
• Fix opacity for mode: 'lines' items in legend [#1204]
• Fix legend items style for bar trace with marker arrays [#1289]
• Fix range slider svg / pdf and eps image exports [#1306]
• Fix scattergl visible: false traces with empty data arrays [#1300]
• Fix a few contour trace edge cases [#1309]
• Updatemenus buttons now render above sliders [#1302]
• Add fallback for categorical histogram on linear axes [#1284]
• Allow style fields in sub and sup text [#1288]

[1.21.3] -- 2017-01-05

Fixed

• Fix zoom behavior on transformed traces [#1257]
• Compute axis auto-range after transform operation [#1260]
• Fix contour trace blowing up on zoom [#591]
• Fix scattermapbox and scattergeo handling of blank strings text [#1283]
• Lock mouse-change@1.3.0 fixing 3D hover labels on fresh npm install [#1281]

[1.21.2] -- 2016-12-14

Fixed

• Fix handling of calendar in filter transforms where distinct calendars can now be set for both the target and value [#1253]
• Make Plotly.addFrames skip over non-plain-objects inputs [#1254]
• Make Plots.graphJson aware of frames [#1255]

[1.21.1] -- 2016-12-14

Fixed

• Fix ms2datetime routine for Chinese calendar [#1252]
• Fix tickformat for world calendars [#1252]

[1.21.0] -- 2016-12-12

Added

• Bar labels via text and textposition [#1159]
• Add support for 16 non-gregorian calendars for date inputs and display [#1220, #1230, #1237]
• Add support for ISO-8601 timestamps [#1194]
• Extend histogram bin auto-shifting algorithm to date axes [#1201]
• Trace type heatmapgl is now included in the main plotly.js bundle [#1197]

Changed

• Linearize date coordinates using UTC rather than local milliseconds [#1194]

Fixed

• Fix wrongly computed date positions around daylight savings time [#1194]
• Fix erroneous traces in multi-subplot layout containing fill-to scatter traces (and plotly.py violin plots) [#1198]
• Fix clip path URL on pages with query hashes [#1203]
• Ensure that numeric frame name are handle correctly [#1236]
• Fallback for manual manipulation of slider/frames [#1233]

[1.20.5] -- 2016-11-23

Fixed

• Fix 1.20.0 regression in handling numerical strings including commas and spaces [#1185]
• Fix 1.20.0 regression involving date histograms [#1186]
• Fix numerous tickvalsandticktext` edge cases [#1191]

[1.20.4] -- 2016-11-21

Fixed

• Fix metaKeys field PlotSchema.get() output

[1.20.3] -- 2016-11-21

Fixed

• Remove infinite loop when plotting 1-pt scattergl traces [#1168]
• Fix updatemenu bug where the wrong button was set to active [#1176]
• Fix addTraces when called with existing traces as input [#1175]

[1.20.2] -- 2016-11-17

Fixed

• Fix hover labels in stacked bar charts [#1163]
• Fix mode bar zoom buttons on date axes [#1162]

[1.20.1] -- 2016-11-16

Fixed

• Fix annotation positioning on categorical axes [#1155]

[1.20.0] -- 2016-11-15

Added

• Allow date string inputs for axis ranges, tick0, dtick, annotation / image positions, histogram bins [#1078, #1150]
• Add special dtick values for log axes [#1078]
• Add visible attribute to annotations, shapes and images items [#1110]
• Expose events on slider start/change/end [#1126]
• Expose event on updatemenu button click [#1128]
• Allow custom transform module to have supply layout default handler [#1122]

Changed

• Increase scattergl precision [#1114]
• Use topojson-client to convert topojson to geojson [#1147]

Fixed

• Fix hover labels for multi-trace scattergl graphs (bug introduced in 1.18.0) [#1148]
• Fix date format on hover on full hour [#1078]
• Fix bar labels for non-zero base values [#1142]
• Scatter colorscale now yield correct colors when cmin and cmax ashow re equal [#1112]
• Fix filter transform for categorical target arrays with range operations [#1120]
• Make sure frames with null values clear array containers [#1118]
• Fix animations involving trace opacity [#1146]
• Fix fallback for non-animatable trace modules (bug introduced in 1.18.1) [#1141]
• Fix race condition in animation resolution when coupled with relayout [#1108]
• Enforce casting requested frame names to strings [#1124]
• Plotly.animte no longer breaks when passing null frames [#1121]
• Plotly.PlotSchema.get now correctly list rangeslider and rangeselector under xaxis only [#1144]
• Plotly.relayout correctly updates arbitrary layout attributes [#1133]

[1.19.2] -- 2016-11-02

Fixed

• Fix hover label positioning on bar traces [#1107]

[1.19.1] -- 2016-10-27

Fixed

• Fix dist bundles [#1094]

[1.19.0] -- 2016-10-27

Unpublished on npm and CDN due to broken dist bundles.

Added

• Add two-argument Plotly.plot call signature [#1014]
• Add two-way binding functionality to updatemenus and sliders [#1016]
• Add width, base and offset attribute to bar trace [#1075]
• Add fromcurrent and direction animation options [#1087]
• Add ability to filter by arbitrary array [#1062]

Changed

• Rename filtersrc filter transform attribute target (with backward-compatible map) [#1062]
• Bump sane-topojson requirement to 2.0.0. New topojson dist files fix the Michigan state border [#1077]
• scattergl now handles higher resolution dates [#1033]
• Improve error messages in Plotly.animate [#1088]

Fixed

• Plotly.newPlot now respect user-defined layout height and width [#537]
• Fix dendrogram cartesian axis layers [#1063]
• Fix RGBA colorscale handler for contour [#1090]
• Fix gl2d axis title positioning [#1067]
• Fix gl2d multi-line axis tick labels display [#1087]
• Fix performance deficit of scattergl trace type with date coordinates [#1021]
• Fix ohlc trace offset computation [#1066]
• Fix ohlc and candlestick default trace names [#1073]
• Make Plotly.animate work with frames container array containers (e.g annotations) [#1081]
• Make restyle and relayout consistently remove items in array containers when called with value argument null [#1086]

[1.18.1] -- 2016-10-18

Fixed

• Fix cartesian subplot resize [#1049]
• Fix cartesian interactivity after click [#1049]
• Fix scattergeo traces with not-found country names [#1046]
• Honor 'name' hoverinfo flag in ohlc traces [#1050]
• Fix animation merging for frames including array containers [#1041. #1048]
• Fix requestAnimationFrame polyfill for script-tag imports [#1039]

[1.18.0] -- 2016-10-13

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]

[1.17.3] -- 2016-09-21

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]

[1.17.2] -- 2016-09-12

Fixed

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

[1.17.1] -- 2016-09-09

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]

[1.17.0] -- 2016-09-07

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 update 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 to dist/[#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]

[1.16.3] -- 2016-08-23

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]

[1.16.2] -- 2016-08-09

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]

[1.16.1] -- 2016-08-05

Changed

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

[1.16.0] -- 2016-08-04

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]

[1.15.0] -- 2016-07-25

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]

[1.14.2] -- 2016-07-11

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]

[1.14.1] -- 2016-06-28

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]

[1.14.0] -- 2016-06-22

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]

[1.13.0] -- 2016-06-13

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]

[1.12.0] -- 2016-05-26

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]

[1.11.0] -- 2016-05-17

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]

[1.10.2] -- 2016-05-05

Fixed

• Subplot and range slider clip paths are now functional in AngularJS [#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]

[1.10.1] -- 2016-05-02

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]

[1.10.0] -- 2016-04-12

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]

[1.9.0] -- 2016-04-12

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]

[1.8.0] -- 2016-04-04

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]

[1.7.1] -- 2016-03-30

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]

[1.7.0] -- 2016-03-22

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]

[1.6.3] -- 2016-03-07

Fixed

• Argument parsing for vertex and face colors of mesh3d traces is now functional [#287]

[1.6.2] -- 2016-03-03

Fixed

• SVG overflow property is now properly set for IE11 [#305, #306]
• Hover labels associated with text arrays with falsy values are properly skipped over [#310]
• Snapshot routines now strip browser-only user-select style attributes [#311]

[1.6.1] -- 2016-03-01

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]

[1.6.0] -- 2016-02-29

Added

• SVG cartesian, 3D, geographic maps and pie charts 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.
• Event plotly_doubleclick is now emitted after double-clicking on SVG cartesian graphs in zoom and pan drag modes.
• 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
• 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]

[1.5.2] -- 2016-02-10

Fixed

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

[1.5.1] -- 2016-02-01

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]

[1.5.0] -- 2016-01-22

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]

[1.4.1] -- 2016-01-11

Fixed

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

[1.4.0] -- 2016-01-11

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]

[1.3.1] -- 2016-01-04

Fixed

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

[1.3.0] -- 2015-12-21

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]

[1.2.1] -- 2015-12-14

Changed

• Improve XSS check in anchor href [#100]

Fixed

• Fix Fifefox 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]

[1.2.0] -- 2015-12-07

Added

• All Plotly.____ methods now return a promise, and pass the graph-div as an argument [#77]
• package.json now has webpack field so plotly.js can be used by webpack users [#68]
• Add support for rgba colours in pie-charts [#63]

Changed

• Optimized by calling window.getComputedStyle only once [#81]
• Improved npm install process for topojson file resolve [#48]

Fixed

• Fixed geo-plot promises [#52]
• Typo fixed in No DOM element error message [#64]
• Fix hover labels with hoverinfo 'text' [#70]
• Fix scaling for gl3d error bars [#74]

[1.1.1] -- 2015-12-01

Fixed

• Fix displayModeBar plot config logic [#57]
• Fix length-1 bins count as ascending in Lib.findBin [#47]
• Fix jasmine test runner on windows [#46]

[1.1.0] -- 2015-11-25

Added

• Add three plot config options: modeBarButtonsToRemove, modeBarButtonsToAdd and modeBarButtons which combine to add the ability to remove specific mode bar buttons add custom mode bar buttons and fully customize the mode bar.

Fixed

• Fix installation from npm3 [#12]
• Fix UMD in plotly.js dist files [#18]
• Fix for blank elements in a text array [#31]

[1.0.0] -- 2015-11-17

First fully open source release.

Added

• Add 2D WebGL plot engine

Changed

• Save to cloud is now done via a modebar button by default, the 'Edit chart' link is still available through the 'showLink' plot config.
• Better double-click notifier CSS

Fixed

• Fix Plotly.newPlot 3D and geo bug.
• Fix plotly_click event bug in latest Chrome and Firefox.

Known limitations

• Different plot types cannot be mixed in subplots.
• 2D WebGL has no image test support.
• Click and hover events are not hooked for gl3d, geo and gl2d plot types.
• Polar chart are under-developed.