3.0.0-rc.1

Removed

• Drop support for passing a string to the title attribute, and drop support for deprecated attributes titlefont, titleposition, titleside, and titleoffset (use title.text, title.font, title.side, title.offset instead)[#7212]
• Drop deprecated pointcloud and heatmapgl traces and gl2d subplots [#7213]
  Drop support for deprecated bardir attribute (use orientation instead) [#7214]
• Drop support for deprecated annotation.ref attribute (use annotation.xref and annotation.yref instead) [#7215]
• Drop support for deprecated error bar opacity attribute (use alpha channel of error bar color attribute instead) [#7214]
• Drop support for deprecated attribute gl3d.cameraposition (use gl3d.camera instead) [#7217]
• Drop deprecated plot3dPixelRatio from config [#7231]
• Drop deprecated zauto, zmin and zmax from the surface trace [#7234]
• Drop deprecated autotick attributes from cartesian axes [#7236]
• Drop transforms from the API [#7240, #7254]
• Drop jQuery events support [#7224]
• Drop the AMD support from the bundle header [#7229]

Changed

• Switch from webpack to esbuild for fast builds & testing as well as allowing modern JavaScript beyond es5 [#6909]
• Make offsetgroup work with barmode "stacked" and "relative" for bar traces [#7009]
• Node v18 required for development [#7116]
• Cleanup remaining code that was there to support the Internet Explorer [#7251]
• Deprecate mapbox traces and provide links to migration docs for plotly.js and plotly.py users [#7260]

Fixed

• Remove inline styles that break plots in strict CSP setups [#7109],
  with thanks to @martian111 for the contribution!
• Allow null or broken selection objects without throwing an error [#7164]
• Render scatterternary traces correctly if they have the ids attribute [#7164]
• Do not convert url-sourced layout images to data URI unless we're in staticPlot mode, to improve interactivity when images are changed with zoom/pan [#7199]
• Fix source map of the mablibre dependency [#7204]
• Fix years in license [#7205]
• Maintain layout images element identity based on coordinates,
  for smoother updates when you add or remove images early in the list. [#7277]
• Fix handling of new domain values given in the Plotly.react function to
  prevent loss of new domain values. [#7283]

v2.35.2

Fixed

• Fix require path to maplibre-gl.css (regression introduced in 2.35.1) [#7146],
  with thanks to @birkskyum for the contribution!

v2.35.1

Fixed

• Fix rendering traces with zorder on overlayed subplots case of multiple traces in each subplot [#7141]
• Fix missing CSS for map(maplibre) subplots when used offline [#7140],
  with thanks to @birkskyum for the contribution!

v2.35.0

Added

• Add new traces: scattermap, choroplethmap and densitymap and map subplots which use maplibre to render maps [#7015, #7060, #7085, #7088, #7090, #7092, #7094, #7134],
  with thanks to @birkskyum for the contribution!

Changed

• Deprecate mapbox traces and mapbox subplot [#7087]
• Drop obsolete npm v6 installation [#7095]
• Use Node.js v18 and npm v10 in development [#7078]
• Update npm lockfile to v3 [#7099]
• Update turf to v7 [#7116]

Fixed

• Fix centroid calculation in turf [#7115],
  with thanks to @birkskyum for the contribution!
• Fix missing cursor for Ternary Plot[#7057],
  with thanks to @Lexachoc for the contribution!
• Elaborate on the Custom Bundle guide [#7101]

v2.34.0

Added

• Add subtitle attribute to layout.title to enable adding subtitles to plots [#7012]
• Introduce "u" and "s" pseudo html tags to add partial underline and strike-through styles to SVG text elements [#7043]
• Add geometric mean functionality and 'geometric mean ascending' + 'geometric mean descending' to category_order on cartesian axes [#6223],
  with thanks to @acxz and @prabhathc for the contribution!
• Add axis property ticklabelindex for drawing the label for each minor tick n positions away from a major tick,
  with thanks to @my-tien for the contribution! [#7036]
• Add property ticklabelstandoff and ticklabelshift to cartesian axes to adjust positioning of tick labels,
  with thanks to @my-tien for the contribution! [#7006]
• Add x0shift, x1shift, y0shift, y1shift to shapes to add control over positioning of shape vertices on (multi-)category axes,
  with thanks to @my-tien for the contribution! [#7005]

Fixed

• Fix displaying scattergl traces while zooming or panning (regression introduced in 2.26.0) [#7018],
  with thanks to @eiriklv for the contribution!
• Fix for excessive hoverlabel removal and overlap for plots with both scatter and bar traces [#6954],
  with thanks to @mbant for the contribution!
• Fix adding cartesian "togglehover" when included in modebar.add [#5879],
  with thanks to @Sizurka for the contribution!
• Handle zorder between overlaying cartesian subplots [#7032],
  This feature was anonymously sponsored: thank you to our sponsor!

v2.33.0

Added

• Add support for numeric text font weight [#6990]
• Add shadow, lineposition and textcase options to SVG fonts [#6983]

Fixed

• Fix unicode variable names in @plotly/d3 [#6992],
  with thanks to @GeorchW for the contribution!
• Fix getFullTransformMatrix in shadow DOM [#6996],
  with thanks to @OpportunityLiu for the contribution!
• Fix drag on legend scrollbar while edits.legendPosition is true [#6997],
  with thanks to @OpportunityLiu for the contribution!
• Fix numerical instability in 3D plots [6998],
  with thanks to @hborchardt for the contribution!
• Fix numerical precision of drawing surface trace [6999],
  with thanks to @hborchardt for the contribution!
• Fix isosurface maximum value calculation when isomax is set to null [#7002]

v2.32.0

Added

• Add "bold" weight, "italic" style and "small-caps" variant options to fonts [#6956]

Fixed

• Fix applying autotickangles on axes with showdividers as well as cases
  where tickson is set to "boundaries" [#6967],
  with thanks to @my-tien for the contribution!
• Fix positioning of multi-line axis titles with standoff [#6970],
  with thanks to @my-tien for the contribution!

v2.31.1

Fixed

• Maintain original drawing order of traces when traces with similar type are sent to back [#6962]
• Ensure winning points of hover are listed first when hoversubplots is set to "axis" and sorting by distance [#6963]
• Fix duplicated points in splom hover when hoversubplots is set to "axis" [#6965]

v2.31.0

Added

• Add zorder attribute to various cartesian traces for controlling stacking order of SVG traces drawn
  into a subplot [#6918, #6953]. This feature was anonymously sponsored: thank you to our sponsor!
• Add "between" option to shape layer for placing them above grid lines and below traces [#6927],
  with thanks to @my-tien for the contribution!
• Add "raw" sizemode to cone trace [#6938]
• Add layout.hoversubplots to enable (x|y) and unified hover effects across multiple cartesian suplots
  sharing one axis [#6947, #6950]

Changed

• Regenerate stackgl_modules/index.js using updated dependencies [#6937]

Fixed

• Fix hover count in parcats trace [#6944], with thanks to @weiweikee for the contribution!

v2.30.1

Fixed

• Fix centering multi-line headers for treemap traces [#6923]
• Fix heatmap text color and texttemplate on cells with missing data [#6924]
• Fix scattergl rendering when colors include capital letters [#6928],
  with thanks to @28raining and @dy for the contribution!