Added

• Add support for arrays for the pie propertiesshowlegend andlegend, so that these can be configured per slice. [#7580], with thanks to@my-tien for the contribution!

Changed

• Replace deprecatedString.substr() withString.slice() [#7662], with thanks to@JBR-0100 for the contribution!

Full Changelog:v3.2.0...v3.3.1

Contributors

Added

• Addhovertemplate forcandlestick andohlc traces [#7619]
• Generate list of ISO codes for provided topojson maps, update info for some disputed territories [#7622]

Changed

• Turn off borders for plot container in CSS reset [#7617]

Fixed

• Fix KDE sampling precision in violin trace to eliminate floating-point drift and prevent density underrun/overrun [#7581], with thanks to@Koookadooo for the contribution!

Contributors

Added

• Addhovertemplatefallback andtexttemplatefallback attributes [#7577]

Fixed

• Fix wrong scrolling behavior for legend [#7067], with thanks to@Lexachoc for the contribution!
• Fix bug affecting use ofcustomdata with typed arrays [#7608]

Full Changelog:v3.1.2...v3.2.0

Contributors

Added

• Add "SI extended" formatting rule for tick exponents on axis labels, allowing values to be displayed with extended SI prefixes (e.g., femto, pico, atto) [#7249], with thanks to@dberardi99 for the contribution!

Fixed

• Fix editabletitle.text forternary,polar,colorbar, andrangeslider (regression introduced in 3.0.0) [#7513], with thanks to@Lexachoc for the contribution!
• Fixlayout.title.subtitle does not properly clear/remove from the chart whensubtitle object is not in place, orsubtitle.text set tonull, empty string, or whitespace-only values [#7571], with thanks to@cminn10 for the contribution!
• Fix issue wherevisible property of one legend was affecting another [#7574]
• Resolve incorrect shape clipping for domain-referenced shapes on n*10th subplot [#7576]
• Update config diff check method to handle nested arrays [#7579]

Contributors

Fixed

• Update plot with all config changes during call toPlotly.react [#7475]
• Fix wheel event handlerViolation in Chromium by settingpassive: true [#7517]
• Fixlocationmode warning to be less aggressive: show warning only whenlocationmode is'country names' [#7520]
• RefactordrawMainTitle to use context-specific selections for title and subtitle, avoiding conflicts when multiple plots are present on the same page [#7522], with thanks to@davibarbosa2 for the contribution!
• Fix broken styling of map attributions [#7526]
• Calculate colorscale properly for histogram when markercmin/cmax/cmid values are undefined [#7534]
• Tidy up some stray characters in attribute descriptions [#7539], [#7540]
• Fix some typos (and a conditional check) [#7542], with thanks to@musvaage for the contribution!
• Fix cropping of subunits in USA topojson, clean up land and coastlines layers for all topojson [#7555]
• Fix issue causing empty ScatterGL plots when using text elements#7563

Full Changelog:v3.1.0...v3.1.1

Contributors

Added

• Add propertyzerolinelayer to cartesian axes to allow drawing zeroline above traces [#7269]
• Addpattern.path attribute as an alternative to the presetpattern.shape values, so you can use any SVG path string as a pattern fill. [#7280]
• Allow configuration of horizontal legend max height [#7359]
• Addmodebardisable attribute to cartesian axes, to allow fine control over which buttons affect which axes [#7358]
• Add support for ticklabelposition "inside"/"outside" for category axes withtickson set to "boundaries" [#7420],
  with thanks to@my-tien for the contribution!
• Addunifiedhovertitle.text to format unified hover titles [#7439]
• Addlayout.hoverlabel.showarrow (andtrace.hoverlabel.showarrow) attribute to allow hiding the triangular caret that appears on the hover label box [#7451]
• Addminorloglabels to cartesian axes [#7468]
• Make modebar keyboard-accessible via tabbing [#7492], with thanks to@davidangarita1 for the contribution!

Changed

• Switch to United Nations (coastlines, countries, land, ocean) + Natural Earth (lakes, rivers, subunits) geodata for building topojson used in geo plot [#7393]
• Make 'png' all caps [#7400]
• Refactor files related to UN topojson [#7481]
• Update defaulttopojsonURL to point to new UN topojson [#7514]
• Add breaking change warning forcountry nameslocationmode option in choropleth, scattergeo plots [#7514]

Fixed

• Fix performance warning in scattergl traces, [#7390], with thanks to@MzyzzG for the contribution!
• Move css-loader and other dependencies into devDependencies section [#7407]
• Fix hidden ticklabels taking up plot space [#7417]
• Fix editable shapes (regression introduced in 2.34.0) [#7470], with thanks to@my-tien for the contribution!
• Update legend maxheight calculation logic [#7483]
• Fix hover event not triggered on consecutive empty bins (count=0) withhovermode:'x' for histogram [#7503], with thanks to@Lexachoc for the contribution!
• Removeform-data nested dependency associated withCVE-2025-7783 [#7514], with thanks to@KyleBoyer for the contribution!

Contributors

Added

• Add modebardisable attribute to cartesian axes, to allow fine control over which buttons affect which axes [#7358]
• Addunifiedhovertitle.text to format unified hover titles [#7439]
• Addlayout.hoverlabel.showarrow (andtrace.hoverlabel.showarrow) attribute to allow hiding the triangular caret that appears on the hover label box [#7451]
• Addminorloglabels to cartesian axes [#7468]
• Make modebar keyboard-accessible via tabbing [#7492], with thanks to@davidangarita1 for the contribution!

Changed

• Refactor files related to UN topojson [#7481]

Fixed

• Fix hidden ticklabels taking up plot space [#7417]
• Fix editable shapes (regression introduced in 2.34.0) [#7470],
  with thanks to@my-tien for the contribution!

Contributors

Fixed

• Remove detailed description of font options [7348]

Fixed

• Fix installing dependencies in node v22 [#7381], with thanks to@chaigh-uk for the contribution!
• Fix Persian calendar leap year [#7456]
• Fix scroll wheel zoom for geo subplots in Safari [#7474]
• Add method to check for WebKit WebView user agent string [#7479]
• Fix edit colorbar title [7487]

Contributors

Added

• Add propertyzerolinelayer to cartesian axes to allow drawing zeroline above traces [#7269]
• Addpattern.path attribute as an alternative to the presetpattern.shape values, so you can use any SVG path string as a pattern fill. [#7280]
• Allow configuration of horizontal legend max height [#7359]
• Add support for ticklabelposition "inside"/"outside" for category axes withtickson set to "boundaries" [#7420],
  with thanks to@my-tien for the contribution!

Changed

• Switch to United Nations (coastlines, countries, land, ocean) + Natural Earth (lakes, rivers, subunits) geodata for building topojson used in geo plot [#7393]
• Make 'png' all caps [#7400]

Fixed

• Fix installing dependencies in node v22 [#7381], with thanks to@chaigh-uk for the contribution!
• Fix performance warning in scattergl traces, [#7390], with thanks to@MzyzzG for the contribution!
• Move css-loader and other dependencies into devDependencies section [#7407]
• Fix Persian calendar leap year [#7456]

Contributors