Sourced from plotly.js-basic-dist-min's releases.

v3.1.2

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 editable title.text for ternary, polar, colorbar, and rangeslider (regression introduced in 3.0.0) [#7513], with thanks to @​Lexachoc for the contribution!
• Fix layout.title.subtitle does not properly clear/remove from the chart when subtitle object is not in place, or subtitle.text set to null, empty string, or whitespace-only values [#7571], with thanks to @​cminn10 for the contribution!
• Fix issue where visible 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]

v3.1.1

Fixed

• Update plot with all config changes during call to Plotly.react [#7475]
• Fix wheel event handler Violation in Chromium by setting passive: true [#7517]
• Fix locationmode warning to be less aggressive: show warning only when locationmode is 'country names' [#7520]
• Refactor drawMainTitle 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 marker cmin/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: plotly/plotly.js@v3.1.0...v3.1.1

v3.1.0

Added

• Add property zerolinelayer to cartesian axes to allow drawing zeroline above traces [#7269]
• Add pattern.path attribute as an alternative to the preset pattern.shape values, so you can use any SVG path string as a pattern fill. [#7280]
• Allow configuration of horizontal legend max height [#7359]
• Add modebardisable attribute to cartesian axes, to allow fine control over which buttons affect which axes [#7358]
• Add support for ticklabelposition "inside"/"outside" for category axes with tickson set to "boundaries" [#7420], with thanks to @​my-tien for the contribution!
• Add unifiedhovertitle.text to format unified hover titles [#7439]
• Add layout.hoverlabel.showarrow (and trace.hoverlabel.showarrow) attribute to allow hiding the triangular caret that appears on the hover label box [#7451]
• Add minorloglabels 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 default topojsonURL to point to new UN topojson [#7514]
• Add breaking change warning for country names locationmode 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]

... (truncated)

Sourced from plotly.js-basic-dist-min's changelog.

[3.1.2] -- 2025-10-16

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 editable title.text for ternary, polar, colorbar, and rangeslider (regression introduced in 3.0.0) [#7513], with thanks to @​Lexachoc for the contribution!
• Fix layout.title.subtitle does not properly clear/remove from the chart when subtitle object is not in place, or subtitle.text set to null, empty string, or whitespace-only values [#7571], with thanks to @​cminn10 for the contribution!
• Fix issue where visible 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]

[3.1.1] -- 2025-09-29

Fixed

• Update plot with all config changes during call to Plotly.react [#7475]
• Fix wheel event handler Violation in Chromium by setting passive: true [#7517]
• Fix locationmode warning to be less aggressive: show warning only when locationmode is 'country names' [#7520]
• Refactor drawMainTitle 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 marker cmin/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

[3.1.0] -- 2025-08-08

Added

• Add property zerolinelayer to cartesian axes to allow drawing zeroline above traces [#7269]
• Add pattern.path attribute as an alternative to the preset pattern.shape values, so you can use any SVG path string as a pattern fill. [#7280]
• Allow configuration of horizontal legend max height [#7359]
• Add modebardisable attribute to cartesian axes, to allow fine control over which buttons affect which axes [#7358]
• Add support for ticklabelposition "inside"/"outside" for category axes with tickson set to "boundaries" [#7420], with thanks to @​my-tien for the contribution!
• Add unifiedhovertitle.text to format unified hover titles [#7439]
• Add layout.hoverlabel.showarrow (and trace.hoverlabel.showarrow) attribute to allow hiding the triangular caret that appears on the hover label box [#7451]
• Add minorloglabels 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 default topojsonURL to point to new UN topojson [#7514]
• Add breaking change warning for country names locationmode option in choropleth, scattergeo plots [#7514]

Fixed

... (truncated)

• 2e95c4c 3.1.2
• 8497397 Add updates for release v3.1.2
• 8e3709f Merge pull request #7249 from dberardi99/bugfix-for-issue-4787
• beab33e Add entry to draftlogs
• be865a6 Merge remote-tracking branch 'origin/master' into pr/7249
• c591bb8 Simplify logic in numFormat
• 0ad7c7f Merge pull request #7588 from alexshoe/7586/biome-json-indent-width
• be3cd47 Merge pull request #7579 from plotly/cam/7572/update-config-diff-check
• 3bc5b7e Add more tests
• 8ceebdf Handle when collections aren't objects or object+array
• Additional commits viewable in compare view

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