v1.47.0

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]

v1.46.1

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]

v1.46.0

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]

v1.45.3

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]

v1.45.2

Fixed

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

v1.45.1

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]

v1.45.0

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]

v1.44.4

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]

v1.44.3

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]

v1.44.2

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]