v1.43.0

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]

v1.42.5

Fixed

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

v1.42.4

Fixed

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

v1.42.3

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]

v1.42.2

Fixed

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

v1.42.1

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 list and coerce unused hoverlabel attribute in parcoods [#3158]
• No longer list and coerce transforms attributes in traces that don't support them [#3158]

v1.42.0

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]

v1.41.3

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]

v1.41.2

Fixed

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

v1.41.1

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]