• Add formatNumber. #2078
• Add numberInterval, timeInterval, and utcInterval. #2075
• The tip mark’s format option now applies to the title channel. #2053 #2074
• The log scale’s tickFormat option, when a function, now applies only to labeled ticks. #2077 #2078
• Improve the robustness of barycentric interpolation. #2025 #2037
• Fix scale inversion when the domain is collapsed. #1985 #2027
• Fix the plot’s initial value when using the pointer transform and a figure. #2045 #2046
• Fix a crash when the stack transform is used with mixed faceting. #2016 #2028
• Fix the coercion of null when using the percent scale option. #2072 #2073
• Fix side effects declaration so Rollup doesn’t drop Mark.prototype.plot. #2069

Thanks to @ pearmini for contributing to the docs!

Full Changelog: v0.6.14...v0.6.15

Please see the 0.6.14 release notes for more.

• Preserve input order of groups with the group transform. #1959
• Add z reducer to the bin and group transforms. #1959
• Add the Observable10 color scheme to type declarations. #1954
• Hide axis ticks and grid lines from the accessibility tree. Thanks, @ domoritz! #2018
• Upgrade D3 to 7.9.0. #2020

Please see the 0.6.13 release notes for more.

• Reduce the specificity of generated stylesheets to 0. #1941 Thanks, @ mstade! 🙏
• Fix the order of the observable10 scheme. #1947

Please see the 0.6.12 release notes for more!

Breaking

• The default plot background is now unset (transparent) instead of white. #1489

Features

• The rect mark now supports band scales, and can now be used in place of bar and cell! #1899 #1909
• Categorical color scales now default to the new observable10 color scheme. #1895
• Add difference mark for comparing metrics. #159 #1896
• Add shift transform for deriving a time-shifted metric. #1799 #1896
• Add find reducer for pivoting data with the bin and group transforms. #1914
• The tip mark now supports a preferredAnchor option. #1872
• The marker option now supports tick, tick-x, and tick-y. #1892
• The bin and group transforms now pass data to reducers. #1914
• The group and hexbin transforms now support x and y reducers. #1530 #1916
• The CSS custom property --plot-background now controls the tip fill, marker stroke, and other colors. #1489

Bug fixes

• The default axis for a time scale now uses local time as intended. #1886 #1887
• The text mark’s lineWidth option is now more accurate when monospace is true. #1879 #1880
• Fix erroneous truncation of title text on the tip mark. #1913
• Fix scale type option to be case-insensitive. #1894 #1904
• Fix overload precedence in transform type definitions. #1915

Please see the 0.6.11 release notes for more!

Features

• The tip mark option can now pass options to the derived tip mark. #1823
• The new format tip mark option enables greater control over order and formatting of channels. #1823
• Axes for ordinal scales now generalize the scale’s temporal or quantitative interval if any. #1790
• A channel value can now be given a label by specifying it as a {value, label} object. #1838
• Plot now supports CSS Color Module Level 4 and Level 5 syntax. #1454

Bug fixes

• Exposed ordinal scale domains are now correctly deduplicated. #1813
• The default symbol set is now inferred correctly when fill is currentColor. #1830
• The stack transform now correctly handles the exclude facet option. #1649
• The tip mark is no longer briefly visible before asynchronous rendering. #1826
• The bin transform now uses the interval option to reduce x1 & x2 (and y1 & y2). #1828
• The fontVariant axis option now applies to the axis label in addition to ticks. #1827
• The bin transform no longer generates undefined colors for empty bins. #1837
• The tree transform now correctly handles escaping with the delimiter option. #1850

Please see the 0.6.10 release notes for more!

• Add bollinger mark & map method. #1772
• Add sweep option to the arrow mark. #1740
• Add clip plot option. #1792
• Add title, subtitle, and figure plot options. #1761
• Improve the error message for missing stack transform value. #1798
• Fix the tip option on a geo mark without a projection. #1746
• Fix the pointer interaction to use unscaled distance across facets. #1777
• Fix the pointer interaction to not simultaneously point at multiple points across facets. #1780
• Fix the pointer interaction to always dispatch the new value. #1779
• Fix how the tip mark labels paired channels. #1769
• Fix how the auto mark resolves the bar mark implementation. #1801
• Add API index to documentation. #1765
• Add version badges to documentation. #1793
• Shorten documentation anchors. #1771

Please see the 0.6.9 release notes for more!

• Time axes now default to multi-line ticks for better readability. 🎉 #1718 #1728
• Easier piecewise scale construction. #1715
• Apply pointer-events: none to tips when the pointer transform is not sticky. #1697
• Add textLayout option to the tree mark, with mirrored labels by default. #1610
• Don’t filter the href, ariaLabel, and title channels by default. #1699
• Fix duplicate tips with the tree mark’s tip option. #1726
• Fix the axis mark’s sort, filter, reverse, and initializer options. #1665
• Fix the auto mark when both dimensions are ordinal and the mark option is bar. #1674
• Fix a regression in the window transform’s median, percentile, and related reducers. #1691
• Fix barycentric interpolation outside the convex hull of samples. #1701
• Fix non-faceted pointer transforms in faceted plots. #1713