Data Apps & Dashboards for Python. No JavaScript Required.
placeholder_text property to filterOptions for DataTable which allows overriding the default filter field placeholder.sankey links, and editSelection option to config.scatter and scatter-like traces and increased control of automargin and legend sizingscattermapbox traces and restricted bounds to mapbox plots.pages_folder is nested, or the 404 page is nested inside pages_folder.before_first_request as reported in #2177.flask-compress dependency to new extras requires dash[compress]
plotly.js from dcc.Graph are properly sequenced even if React initiates multiple render cycles in quick succession.dash.page_registry.suppress_callback_exceptions=True the validation_layout is not set.dash[testing] is not installed.plotly_selected event on plot API calls and GUI edits.sankey select error (regression introduced in 2.13.0).sankey traces to fix select error.dragmodes when an existing selection is modified.maxHeight to Dropdown options menu.background=False to dash.callback to use instead of app.long_callback.app.long_callback arguments to dash.callback (interval, running, cancel, progress, progress_default, cache_args_to_ignore, manager)search prop to dcc.Dropdown options, allowing to search the dropdown options with something other than the label or value.cell_selectable=False.. were not excluded when building dash.page_registry.not_found_404 page is incorrect in the dash.page_registry when not using the pages folder.React.FC empty valueDeclaration error & support empty props components.dcc.Dropdown search with component as prop for option label.dash.long_callback.managers.CeleryLongCallbackManager, use dash.CeleryManager instead.dash.long_callback.managers.DiskcacheLongCallbackManager, use dash.DiskcacheManager instead.long_callback_manager in favor of background_callback_manager.selections, newselection, and activeselection, along with an updated UI allowing you to modify a selection you created.parcoords traces.violin traces.automargin behavior.args_grouping function.app = Dash(meta_tags=[{"name": "viewport"}])
path to the pages_folder was incorrect on Windows.args_grouping_values property which was incompatible with pattern-matching callbacks.pages - a better way to build multi-page apps. For more information see the forum post.
wait_for_class_to_equal and wait_for_contains_class methods to dash.testing
find_element and find_elements to accept an attribute argument that aligns with Selenium's By class, allowing you to search elements by other attributes. Default value is CSS_SELECTOR to maintain backwards compatibility with previous find_elements.dangerously_allow_html=True + mathjax=True works in some cases, and in some cases not.dcc.Dropdown with a value but no options.DASH_DEBUG as environment variable gets ignored.#1952 Improved callback_context
dash.ctx, a more concise name for dash.callback_context
ctx.triggered_prop_ids, a dictionary of the component ids and props that triggered the callback.ctx.triggered_id, the id of the component that triggered the callback.ctx.args_grouping, a dict of the inputs used with flexible callback signatures.#2009 Add support for Promises within Client-side callbacks as requested in #1364.
#1956 Add TypeScript components generation.
#2034 Add link_target prop to dcc.Markdown component. Closes #1827
#2035 Add type annotations to testing fixtures.
#2029 Restrict the number of props listed explicitly in generated component constructors - default is 250. This prevents exceeding the Python 3.6 limit of 255 arguments. The omitted props are still in the docstring and can still be provided the same as before, they just won't appear in the signature so autocompletion may be affected.
#1968 Fix bug #1877, code which uses merge_duplicate_headers and style_header_conditional to highlight columns, it incorrectly highlights header cells.
#2015 Fix bug #1854 in which the combination of row_selectable="single or multi" and filter_action="native" caused the JS error.
#1976 Fix #1962 in which DatePickerSingle and DatePickerRange are extremely slow when provided a long list of disabled_days.
#2035 Fix #2033 In-App error reporting does not render HTML.
#1970 dcc.Dropdown Refactor fixes:
#1751 Rename app.run_server to app.run while preserving app.run_server for backwards compatibility.
#1839 The callback decorator returns the original function, not the wrapped function, so that you can still call these functions directly, for example in tests. Note that in this case there will be no callback context so not all callbacks can be tested this way.
#2016 Drop the 375px width from default percy_snapshot calls, keep only 1280px
#2027 Improve the error message when a user doesn't wrap children in a list
black to v22.3.0 for Python 3.7+ - if you use dash[ci] and you call black, this may alter your code formatting slightly, including more consistently breaking Python 2 compatibility.