v1.38.0

Added

• Add 3D cone traces to visualize vector fields [#2641, #2647]
• Add ability to interactively change length and rotate line shapes [#2594]
• Add toImageButtonOptions config object to override to-image mode bar button options [#2607]
• Add Brazilian Portuguese (pt-br) locale [#2622]
• Add Italian (it) locale [#2632]

Changed

• Improve cartesian scroll and pan (mostly) performance for graphs with
  many marker or/and text nodes [#2623]
• Improve splom first render and axis-range relayout performance [#2628]
• Improve multi-axis axis-range relayout performance by updating minimal set of
  axes instead of all axes [#2628]
• Use "grab" cursor to denote when annotations and shapes are draggable [#2594]
• Ignore zero and negative link values in sankey traces [#2629]
• Ignore unused and malformed links sankey traces without logging [#2629]

Fixed

• Fix scattergl error bar computations when input value are numeric strings [#2620]
• Fix scattergl error bar computations for x0/dx and y0/dy coordinates [#2620]
• Fix violin kde span edge cases [#2650]
• Make sankey traces accept numeric strings [#2629]
• Fix axis range edits under axis constraints [#2620]
• Fix "sloppy click" event emission during cartesian zoom [#2649]
• Fix layout grid validation which lead to exceptions [#2638]
• Fix parcoords rendering in old Safari version [#2612]
• Link to https://get.webgl.org instead of http version in no WebGL message [#2617]

v1.37.1

Fixed

• Fix Plotly.react when adding/removing traces (bug introduced in 1.37.0) [#2603]

v1.37.0

Added

• Add plotly_legendclick and plotly_legenddoubleclick events [#2581]
• Add Swahili (sw) locale [#2526]

Changed

• Improve cartesian trace update and removal by using more d3-iomatic patterns.
  This results in some performance improvements during redraws [#2574]
• Our internal Lib.nestedProperty no longer prunes empty containers in
  gd.data, gd.layout, gd._fullData and gd._fulllayout.
  We made this change to clean up some of the Plotly.react internals.
  This also lead to a slight performance boost [#2577]

Fixed

• Fix Plotly.react's handling of transformed traces [#2577]
• Fix Safari support for scattergl and splom traces [#2593]
• Fix scattergl point clustering edge cases [#2593]
• Fix scattergl selection after double-click on graphs
  with more than 1e5 points [#2593]
• Fix artificial number of lines limit in scattergl traces [#2568]
• Fix typed array support in color array in scattergl traces [#2596]
• Fix typed array support for splom traces [#2596]
• Make scatter and scattercarpet coexist on same subplot [#2574]
• Fix incorrect fallback border color for axis common hover labels [#2557]
• Fix handling of blank editable legend items [#2587]
• Fix spikelines positioning in Firefox [#2590]
• Fix Plotly.react modebar updates when the locale changes [#2592]
• Fix scatter selection performance regression (dating back to 1.32.0) [#2583]
• Fix plotly_beforeplot and plotly_beforehover event handlers when attached
  with gd.once [#2581]

v1.36.1

Fixed

• Fix scattergl hover in dist and CDN bundles
  (due to browser-pack-flat discrepancy introduced in 1.36.0)
  by removing browser-pack-flat from our bundling pipeline [#2572]

v1.36.0

Added

• Add splom (aka scatter plot matrix) traces [#2505]
• Add multi-selection and click-to-select on parcoords axes [#2415]
• Add selection and improve legend items for ohlc and candlestick [#2561]
• Add 'fixed size' layout shapes through new shape attributes
  xsizemode, ysizemode, xanchor and yanchor [#2532]
• Add layout attribute selectdirection to restrict select-box direction [#2506]
• Add support for selections on graphs with range sliders [#2561]
• Add support for ragged table inputs [#2511]
• Add Czech (cs) locale [#2483]
• Add Japanese (ja) locale [#2558]

Changed

• Multiple performance improvements for cartesian subplots, most noticeable
  on graphs with many cartesian subplots [#2474, #2487, #2527]
• Use new gl-mesh3d version that attempts to make lighting results less
  hardware-dependent [#2365]
• New and improved point-clustering algorithm for scattergl [#2499]
• Improved regl-line2d component [#2556]

Fixed

• Fix memory leak in parcoords traces [#2415]
• Fix scattergl selectedpoints clearance under select/lasso drag modes [#2492]
• Fix scattergl horizontal lines rendering [#2564]
• Fix scattergl unselected marker opacity for array marker opacity traces [#2503]
• Fix scattergl hover over data gaps [#2499]
• Fix ohlc on category axes [#2561]
• Fix inconsistencies in ohlc and candlestick event data [#2561]
• Fix hover text for candlestick traces [#2561]
• Fix scattermapbox selections for traces with data gaps [#2513]
• Fix table border cases that got previously cut off [#2511]
• Fix box traces with one jittered outlier [#2530]
• Fix cliponaxis: false on reversed axes [#2533]
• Fix buggy plot_bgcolor rendering when updating axis overlaying attribute [#2516]
• Fix buggy Plotly.react behavior for carpet, contourcarpet, scattercarpet,
  table and x/y/z column heatmap traces [#2525]
• Fix buggy Plotly.react behavior for ohlc and candlestick traces [#2561]
• Fix ordered categories on graphs with visible: false traces [#2489]
• Fix ordered categories in multi-subplot graphs [#2489]
• Fix inconsistencies when ordering number and numeric string categories [#2489]
• Fix format days in English locale [#2490]
• Handle HTML links with encoded URIs correctly in svg text labels [#2471]

v1.35.2

Fixed

• Pin mapbox-gl to 0.44.1 so that users on fresh
  npm install do not get the wrong mapbox-gl version message [#2467]
• Fix swapping between scatter and scatter3d traces and other
  potential problems caused by incorrect axis constraints resetting [#2465]

v1.35.1

Fixed

• Fix scatterpolar in dist and CDN bundles
  (due to browser-pack-flat discrepancy introduced in 1.35.0) [#2458]
• Fix removing and adding scatter(gl) as not the first module [#2455]
• Ensure we don't draw ticks if there are none to draw [#2454]

v1.35.0

Added

• Add automargin attribute to cartesian axes which auto-expands margins
  when ticks, tick labels and/or axis titles do not fit on the graph [#2243]
• Add support for typed arrays as data array inputs [#2388]
• Add layout grids attribute for easy subplot generation [#2399]
• Implement cliponaxis: false for bar text [#2378]
• Add opposite axis attributes for range slider to control y axis range behavior [#2364]
• Generalize hoverdistance and spikedistance for area-like objects [#2379]
• Bring scattergl auto-range logic to par with SVG scatter [#2404]
• Add selected/unselected marker color size support to scattermapbox traces [#2361]

Changed

• Remove all circular dependencies in our src/ directory [#2429]
• Build our CDN bundles with browser-pack-flat browserify plugin [#2447]
• Bump mapbox-gl to v0.44.0 [#2361]
• Bump glslify to v6.1.1 [#2377]
• Stop relinking customdata, ids and any matching objects
  in gd._fullLayout during Plots.supplyDefaults [#2375]

Fixed

• Fix buggy auto-range / auto-margin interaction
  leading to axis range inconsistencies on redraws
  (this bug was mostly noticeable on graphs with legends) [#2437]
• Bring back scattergl lines under select/lasso dragmode
  (bug introduced in 1.33.0) [#2377]
• Fix scattergl visible toggling for graphs with multiple traces
  with different modes (bug introduced in 1.33.0) [#2442]
• Bring back spikelines for traces other than scatter
  (bug introduced in 1.33.0) [#2379]
• Fix Plotly.Fx.hover acting on multiple subplots
  (bug introduced in 1.32.0) [#2379]
• Fix range slider with stacked y axes positioning
  (bug introduced in 1.32.0) [#2451]
• Fix scattergl color clustering [#2377]
• Fix Plotly.restyle for scattergl fill [#2377]
• Fix multi-line y-axis label positioning [#2424]
• Fix centered hover labels edge cases [#2440, #2445]
• Fix hover labels in bar groups in compare mode [#2414]
• Fix axes and axis lines removal [#2416]
• Fix auto-sizing in Plotly.react [#2437]
• Fix error bars for Plotly.react and uneven data arrays [#2360]
• Fix edits for date-string referenced annotations [#2368]
• Fix z hover labels with exponents [#2422]
• Fix yet another histogram edge case [#2413]
• Fix fall back for contour labels when there's only one contour [#2411]
• Fix scatterpolar category angular period calculations [#2449]
• Clear select outlines on mapbox zoomstart [#2361]
• Fix legend click to causes legend scroll bug [#2426]

v1.34.0

Added

• Add Plotly.react, a new do-it-all API method that creates and update graphs
  using the same API signature [#2341]
• Add constraint-type contours to contour traces [#2270]
• Add notched and notchwidth attributes to box traces [#2305]
• Add localization machinery to auto-formatted date axis ticks [#2261]
• Add support for text in mesh3d traces [#2327]
• Add support for scalar text in surface traces [#2327]
• Make mode bar for graphs with multiple subplot types more usable [#2339]
• Add npm@5 package-lock file [#2323]

Changed

• All of gl-vis dependencies now use gl-shader@4.2.1 [#2293, #2306]
• All our dependencies and source now use glslify@6.1.0 [#2326]

Fixed

• Prevent page scroll on mobile device on gl2d and gl3d subplots [#2296]
• Fix multi-marker scattergl selection errors (bug introduced in 1.33.0) [#2295]
• Fix Plotly.addTraces in scattergl selection call backs (bug introduced in 1.33.0) [#2298]
• Fix trace opacity restyle for scattergl traces (bug introduced in 1.33.0) [#2299]
• Fix scattergl handling of selectedpoints across multiple traces [#2311]
• Fix scattergl horizontal and vertical line rendering [#2340]
• Fix restyle for scalar hoverinfo for scatter3d, surface and mesh3d traces [#2327]
• Fix table when content-less cells and headers are supplied [#2314]
• Fix Plotly.animate for attribute nested in dimensions containers [#2324]
• Fix hoverformat on visible: false cartesian axes (bug introduced in 1.33.0) [#2329]
• Fix handling of double negative translate transform values [#2339]
• Fix compare hovermode fallback for non-cartesian subplot types [#2339]
• Fix animation error messages when overriding and ignoring frames updates [#2313]

v1.33.1

Fixed

• Fix selection on scattergl plots with >20k points [#2266]
• Update Spanish localization with new strings [#2268]
• Fix test_dashboard overly rigid restriction so parcoods works there [#2273]
• Make layout.colorway compatible with sankey traces [#2277]
• Fix click events on fixedrange subplots [#2279]
• Remove ghost fill when trace data is emptied out [#2280]
• Fix resizing of new scattergl plots [#2283]
• Fix positioning of carpet axis titles for cheaterslope edge cases [#2285]
• Fix coloring and hover info for heatmaps and contour maps with nonuniform bins [#2288]