v0.6.14

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

v0.6.13

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

v0.6.12

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

v0.6.11

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

v0.6.10

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

v0.6.9

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

v0.6.8

Please see the 0.6.8 release notes for more!

• The x and y scale default domains now incorporate geometry. #1468
• The stack transform’s order option now accepts a comparator. #1195 #1642
• The stack transform’s order option now supports -order descending shorthand. #1642 #1613
• Fix color legends when the domain or range has extra elements, and issue a warning. #1633 #1632
• Fix the default stroke with the hexbin transform when used with the tip mark. #1641
• Fix duplicate application of scale transforms with the tip mark option. #1645
• Fix erroneous implicit title channel with the tip mark option. #1658 #1657
• Fix spurious high-cardinality warning with an odd number of elements. #1668

v0.6.7

Please see the 0.6.7 release notes for more!

• Add pointer interaction for pointing at data.
• Add tip mark for annotations and revealing details-on-demand when pointing.
• Add crosshair mark for showing position values when pointing.
• Add tip mark option for deriving a tip mark with pointer interaction.
• Add -channel descending shorthand syntax for the sort mark option (e.g., sort y by -x).
• Add shorthand for time interval multiples such as 3 months or 10 years.
• Add imageFilter mark option for applying CSS image filters.
• Add marker options to the rule and tick marks.
• Add labelArrow option to control axis label directional arrows (↑, →, ↓, ←).
• Add support for the interval scale option to the group, bin, and stack transforms.
• Add support for index-aware reducers to the normalize and window transforms.
• Add support for index-aware map methods to the map transform.
• Add identity position defaults to the mapX and mapY transforms.
• Add support for abstract (scaled) values when specifying a frame or hexgrid’s options.
• Add render mark option for render transforms.
• Change the default tickFormat for ordinal scales with yearly intervals.
• Change the label scale option to add an implicit directional arrow by default.
• Change the auto mark to set tip to true.
• Change the default color scale type to categorical when given a categorical scheme.
• Fix automatic opt-out of the opacity scale for the opacity channel.
• Fix crash when an invalid CSS color string is specified for a frame’s fill or stroke.
• Fix position defaults for the rectX, rectY, barX, and barY marks.
• Fix facet filtering and anchors when facet domains contain non-primitive values.
• Fix auto mark to chose correctly between variants of rect, line, and area marks.
• Fix z-order of marks across facets.
• Fix z-order of facet axes.

v0.6.6

Plot has a new documentation website! 👉 https://observablehq.com/plot 👈

Please see the 0.6.6 release notes for more!

• Add r and rotate options to the image mark.
• Add Plot.indexOf.
• Fix how the axis mark handles the margin option.
• Fix axis labels when using the href and other channel options.
• Fix imputed facet scale domains in conjunction with the sort mark option and limit.
• Fix a spurious warning when faceting and using non-array data.
• Fix the floating point precision of the interval scale option when a fractional number.
• Assume a high pixel density display during headless rendering.
• Deterministically generate the default className (currently plot-d6a7b5).
• Legends now inherit the plot’s className option.
• The density mark now respects the plot’s document option.
• The caption option now uses a duck test instead of testing against the global Node.

v0.6.5

Please see the 0.6.5 release notes for more!

• TypeScript! 🎉 Plot now exports TypeScript type declarations. #401 #1320 #1343
• Channels now opt-out of the opacity scale by default when all values are numbers in the range [0, 1]. #1310
• Channel-derived scale domains now handle non-orderable values. #1348
• Channel-derived scale domains now handle duplicate values. #1314
• Channel-derived scale domains now handle mark transforms. #1315 #1316
• Channel values may now be specified as bigints, which are coerced to numbers. #1299
• Color legends now support the opacity option. #1407
• Quantile scales no longer error if there are no valid associated values. #1322
• The nice scale option can now be specified as a named time interval such as day or week. #1332
• The unknown scale option is now supported on quantile scales. #1321
• The text mark no longer crashes when a NaN tick value is specified for an axis. #1335
• The raster mark now supports scale overrides. #1318
• The axis mark now correctly handles custom interval implementations. #1332
• Add quarter and half named time intervals. #1312
• Add identity reducer for the bin and group transform. #1382
• Plot.auto now draws a zero rule by default in conjunction with the rule mark, when appropriate. #1341
• Plot.auto now renders correctly when a non-zero reduce is used in conjunction with the bar mark. #1368
• Plot.auto now renders correctly in some cases when the zero option is specified. #1368
• Plot.auto’s zero option no longer changes the default mark type. #1368
• Plot.autoSpec now materializes the zero option. #1368
• The bin and group transforms no longer misinterpret scale overrides as reducers. #1367
• The reduce and map implementations now expect reduceIndex and mapIndex methods. #1367
• The className option now allows mixed-case class names. #1347