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Change Log for dash-core-components

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

[0.22.2] - 2018-04-30

Fixed

  • Previously, dash did not render LateX since the MathJax.js library was not loaded. This has now been fixed. See #194.

[0.22.1] - 2018-04-09

Fixed

  • Various bugs with the ohlc and candlestick chart type in the dcc.Graph component were fixed. See #184.

[0.22.0] - 2018-04-03

Added

  • Previously, if a user named their app file dash.py, an unhelpful error message would be raised. Now, import dash_core_components will check if the user has a file named dash.py and warn the users appropriately. #177

[0.21.1] - 2018-03-28

Fixed

  • In some cases, frequently multi-page apps, the dcc.Graph interactive properties will stop working (selectedData, hoverData, relayoutData). This should be fixed now. #178
  • dcc.Graph will now resize after it it plotted for the first time. This should fix issues where the dcc.Graph component was not fitting to the size of its container. #178

[0.21.0] - 2018-03-12

Added

  • Upgraded Plotly.js, the underlying library behind the dash_core_components.Graph component, to version 1.35.2. See https://github.com/plotly/plotly.js/releases/tag/v1.35.2 for the official notes.

    Many of these features were funded directly by companies that rely on this library. If your organization or company would like to sponsor particular features or bug fixes in these open source libraries, please reach out: http://plot.ly/products/consulting-and-oem

    • 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

As part of the Plotly.js upgrade:

  • 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

As part of the plotly.js upgrade:

  • 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

[0.20.2] - 2018-03-05

Fixed

  • The selectedData, clickData, and hoverData callbacks were being attached without being removed every time the graph was updated. They are now removed and reattached. #172

[0.20.1] - 2018-03-01

Fixed

  • The serve_locally was broken - the Plotly.js bundle wasn't being served correctly.

[0.20.0] - 2018-03-01

Added

Fixed

  • The Graph component now uses Plotly.react instead of Plotly.newPlot. This should fix issues when repeatedly updating GL chart types (surface, scatter3d, scattergl). #170

[0.19.0] - 2018-02-11

Changed

  • PropTypes now uses prop-types package instead of React to support move to React 16+

[0.18.1] - 2017-01-25

Fixed

  • Upgraded Plotly.js, the underlying library behind the dash_core_components.Graph component, to version 1.33.1. Fixes include
    • 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

[0.18.0] - 2017-01-19

Added

Changed

  • With the plotly.js upgrade, the old polar trace types (scatter with (r, t) coordinates, bar with ((r, t) coordinates and area) are now deprecated).

Fixed

[0.17.1] - 2017-01-18

Fixed

  • Previously, if None is supplied to SyntaxHighlighter or Markdown, the component would not render and the app would break. This is problematic because if children isn't supplied (as done in the case for when you are updating that property from a callback), None is the default property. Fixes #147. This bug was introduced in v0.15.4.

[0.17.0] - 2017-01-11

Added

  • The dcc.Graph component now includes pointNumbers inside selectedData and hoverData if the chart type is a histogram, histogram2d, or histogram2dcontour.

[0.16.0] - 2017-01-11

Added

Fixed

Here the bug fixes in the Graph component brought to you by the plotly.js release. See https://github.com/plotly/plotly.js/releases/tag/v1.32.0 for the official notes.

[0.15.5] - 2017-01-08

Fixed

  • The dash_core_components.Location and dash_core_components.Link properties should now work on Internet Explorer. Thanks to @nedned for suggesting a solution. Fixes #113

[0.15.4] - 2017-12-21

Changed

  • The dash_core_components.Location component now supports hash, href, and search in addition to the already supported pathname (mimicking the window.location API). href can be used to handle pathname, hash, and search in aggregate, or each can be manipulated independently.
  • The children property of dash_core_components.Markdown and dash_core_components.SyntaxHighlighter now accepts an array of strings (previously it had to be a string). Now, if an array is provided, it is collapsed into a string with line breaks (see #134).

[0.15.3] - 2017-12-11

Fixed

[0.15.2] - 2017-11-24

😅 Added

  • The Interval component has a new property: n_intervals. This is an integer that increases every time that the interval passes. This allows you to use the Interval component without using the events=[Event(...)] pattern inside the callback.

This is similar to the n_clicks property of the dash_html_components components. This was the last use case for events=[Event(...)] inside the dash_core_components library. Ultimately, we may be able to deprecate this pattern.

Changed

  • The dash_core_components.Input(type='number') component actually converts the values to floats or integers, instead of passing the numbers back as strings. #100 Big thanks to community contributor @Madhu94!

Fixed

  • The disable_click property in the dcc.Upload component now works. #106. Big thanks to community contributor @Akronix!
  • Several properties in several components had the wrong propTypes. This has been fixed, improving the documentation for the Dash python classes (and removing warnings in JS development). Big thanks to community contributor @Akronix!

[0.15.1] - 2017-11-23

Fixed

  • Attempt to fix the JS builds from 0.15.0 but actually nothing changed.

[0.15.0] - 2017-11-19

  • Bad build. See 0.15.2 for the correct build

[0.14.0] - 2017-10-17

✨ Added

[0.13.0] - 2017-10-05

Added

  • Bumped plotly.js from v1.29.3 to v1.30.0. This was a huge release by the plotly.js team! 👏 See the full changelog here: https://github.com/plotly/plotly.js/releases/tag/v1.31.0. The following improvements from this version update apply to dash:
    • Add table trace type 2030
    • Add geo.center making geo views fully reproducible using layout attributes 2030
    • Add lasso and select-box drag modes to scattergeo and choropleth traces 2030
    • Add lasso and select-box drag modes to bar and histogram traces 2045
    • Throttle lasso and select-box events for smoother behavior 2040
    • Add constraintext attribute for bar traces 1931
    • Add axis layer attribute to ternary axes 1952
    • Add cross-trace matching auto-binning logic to histogram traces 1944
    • Harmonize gl3d and gl2d zoom speed with cartesian behavior 2041
    • Fix handling of extreme off-plot data points in scatter lines 2060
    • Fix hoverinfo array support for scattergeo, choropleth, scatterternary and scattermapbox traces 2055
    • Fix single-bin histogram edge case 2028
    • Fix autorange for bar with base zero 2050
    • Fix annotations arrow rendering when graph div is off the DOM 2046
    • Fix hover for graphs with scattergeo markers outside 'usa' scope 2030
    • Fix handling of cross anti-meridian geo lonaxis ranges 2030
    • Fix miter limit for lines on geo subplots 2030
    • Fix marker.opacity handling for scattergeo bubbles 2030
    • Fix layout animation of secondary axes 1999
    • Fix sankey hover text placement for empty link.label items 2016
    • Fix sankey rendering of nodes with very small values [2017](https://github.com/plotly/plotly.js/issue/2017,2021] https://github.com/plotly/plotly.js/issue/2021)
    • Fix sankey hover label positioning on pages that style the 'svg-container' div node 2027
    • Fix hover label exponents 1932
    • Fix scatter fill with isolated endpoints 1933
    • Fix parcoords axis tick scale when ticktext is unordered 1945
    • Fix sankey with 4 multi-links or more 1934
    • Fix exponent labels beyond SI prefixes 1930
    • Fix image generation for marker gradient legend items 1928
    • Fix parcoords image generation when multiple parcoords graphs are present on page 1947
    • Ignore bare closing tags in pseudo-html string inputs 1926

[0.12.7] - 2017-09-26

🐛 Fixed

  • Fixed issues related to updating the max_date_allowed property of DatePickerSingle and DatePickerRange programmatically through callbacks
  • Clicking on the end date in the DatePickerRange will now open up the calendar to the end date (#80)

Maintenance

  • Cleaned up DatePickerSingle and DatePickerRange

[0.12.6] - 2017-09-11

🐛 Fixed

  • Non-ascii characters, like chinese characters, are now supported as search strings in the dcc.Dropdown component (#75)

[0.12.5] - 2017-09-11

🐛 Fixed

🌠 Added

  • A disabled property on the Interval component will disable the interval component from firing its updates.

[0.12.4] - 2017-08-18

Added

  • Added className and style properties to the parent divs of the Checklist, Dropdown, Graph and RadioItems component. As requested in #57, solved in #60

[0.12.3] - 2017-08-17

Fixed

[0.12.2] - 2017-08-10

Fixed

[0.12.1] - 2017-08-09

Fixed

  • Disabled portal settings on dcc.DatePickerSingle and dcc.DatePickerRange when vertical=True. with_portal and with_full_screen_portal will only apply if vertical=False.

[0.12.0] - 2017-08-09

Added

  • Added two new date picker components: dcc.DatePickerSingle and dcc.DatePickerRange

[0.11.1] - 2017-08-07

Fixed

  • Added support for all of the valid HTML attributes of the Input component.
  • Added support for a few more type values of the Input component. The full list of valid types are 'text', 'number', 'password', 'email', 'range', 'search', 'tel', 'url', 'hidden'. Note that type values that don't have cross-browser support are not included (such as datetime)

[0.11.0] - 2017-08-04

Added

  • The Dropdown component renders options much, much faster. It can render 50,000 options (client-side) without crashing! This fixes plotly/dash#103

[0.10.0] - 2017-08-03

Added

  • Upgrade plotly.js (the library behind the Graph component) from 1.27.0 to 1.29.3. This includes TONS of fixes and improvements, see https://github.com/plotly/plotly.js/releases for more details. Notable improvements include:

    • Add touch interactions to cartesian, gl2d and ternary subplots including for select and lasso drag modes
    • Add support for contour line labels in contour and contourcarpet traces
    • Add support for select and lasso drag modes on scattermapbox traces
    • Add reset view and toggle hover mode bar buttons to mapbox subplots
    • Add support for array marker.opacity settings in scattermapbox traces
    • Add namelength layout and trace attribute to control the trace name's visible length in hover labels
    • Add cliponaxis attribute to scatter and scatterternary traces to allow markers and text nodes to be displayed above their subplot's axes
    • Add axis layer attribute with 'above traces' and 'below traces' values

    And fixes include:

    • Fix axis line width, length, and positioning for coupled subplots
    • Fix alignment of cartesian tick labels
    • Fix rendering and updates of overlaying axis lines
    • Fix hover for 2D traces with custom colorbar tickvals
    • Fix hover and event data for heatmapgl and contourgl traces
    • Fix event data for pie and sankey traces
    • Fix drag mode 'pan' in IE and Edge
    • Fix bar, error bar and box point scaling on scroll zoom
    • Fix shading issue in surface trace in iOS
    • Fix lasso and select drag modes for scatterternary traces
    • Fix cases of intersecting contour lines on log axes
    • Fix animation of annotations, shapes and images
    • Fix histogram bin computation when more than 5000 bins are needed
    • Fix tick label rendering when more than 1000 labels are present

[0.9.0] - 2017-07-28

Added

  • A config property of the Graph component that exposes the plotly.js config properties. Here's an example that hides 2 buttons and makes the elements in the graph "editable":
import dash
import dash_core_components as dcc
import dash_html_components as html

app = dash.Dash()

app.layout = html.Div([
    dcc.Graph(
        id='my-graph',
        figure={'data': [{'x': [1, 2, 3]}]},
        config={'editable': True, 'modeBarButtonsToRemove': ['pan2d', 'lasso2d']}
    )
])

if __name__ == '__main__':
    app.run_server(debug=True)

[0.8.0] - 2017-07-27

Added

  • A new Textarea component for displaying the simple Textarea HTML element. The content of the Textarea is controlled through the value property:
dcc.Textarea(id='my-text-area' value='''
SELECT * FROM MY_TABLES
LIMIT 10;
''')

[0.7.1] - 2017-07-24

Fixed

  • Clearing a Graph selection box sets the selectedData value to None (null in JavaScript). Before, it didn't change the selectedData property, preventing the user and the Dash developer from clearing selections. Fixes plotly/dash#97, thanks to @pmbaumgartner for reporting.

[0.7.0] - 2017-07-20

Added

  • The clearable property to the Dropdown, which toggles on and off the "x" on the side of the dropdown that clears the current selection.
  • The searchable property to the Dropdown, which toggles on and off whether the Dropdown is searchable.

Fixed

  • Clicking on the little x on the side of the Dropdown to clear the currently selected value didn't work. Now it does. If multi=false, then null (or Python's None) is set. If multi=True, then [] is set.

[0.6.0] - 2017-07-18

Added

  • The Slider and the RangeSlider component can update when the user finishes dragging the slider rather than just while they drag. The default behaviour has remained the same (updates while dragging) but you can toggle that the updates only get fired on "mouse up" by setting updatemode to 'mouseup' ('drag' is the default).
  • A Link and Location were added. Location represents the address bar of the web browser and Link provides a way to modify the address bar without refreshing the page. Combined, these two components can be used to create a "single page app" with multiple URLs. That is, apps that have mulitple URLs but surfing between the different pages doesn't trigger a full page refresh like it would with traditional links.
  • Previously, if callback functions weren't supplied to a component, it wouldn't update. This caused a lot of confusion: users would create a simple layout without any callbacks and then wonder why the sliders wouldn't slide or the text inputs wouldn't update. Now, all of the components manage their own state and their appearance will update regardless of whether Dash has assigned a callback to them.

[0.5.3] - 2017-07-03

Added

  • A range object is now included in the selectedData object that specifies that dimensions of the selected region.
  • A lassoPoints object is now included in the selectedData object that provides coordinates of the lassoed region.

[0.5.2] - 2017-07-03

Added

  • A new property clear_on_unhover on the Graph component will clear the hoverData property when the user "unhovers" from a point if True. If False, then the hoverData property will be equal to the data from the last point that was hovered over. The default is False.