v4.0.0rc3

Added

• Modernized dcc.Tabs
• Modernized dcc.DatePickerSingle and dcc.DatePickerRange
• DatePicker calendars can now accept translations as an external script, either with Dash's external_scripts or from the assets folder. See documentation for the underlying library that supports this.

Changed

• dcc.Tab now accepts a width prop which can be a pixel or percentage width for an individual tab.
• dcc.Tab can accept other Dash Components for its label, in addition to a simple string.

Dash Version 3.3.0

Added

• #3395 Add position argument to hooks.devtool
• #3403 Add app_context to get_app, allowing to get the current app in routes.
• #3407 Add hidden to callback arguments, hiding the callback from appearing in the devtool callback graph.
• #3397 Add optional callbacks, suppressing callback warning for missing component ids for a single callback.
• #3424 Adds support for Patch on clientside callbacks class dash_clientside.Patch, as well as supporting side updates, eg: (Running, SetProps).
• #3347 Added 'api_endpoint' to callback to expose api endpoints at the provided path for use to be executed directly without dash.
• #3445 Added API to reverse direction of slider component.
• #3460 Add /health endpoint for server monitoring and health checks.
• #3465 Plotly cloud integrations, add devtool API, placeholder plotly cloud CLI & publish button, dash[cloud] extra dependencies.

Fixed

• #3490 Fix stack overflow when circular callbacks are displayed on the devtool callback
• #3395 Fix Components added through set_props() cannot trigger related callback functions. Fix #3316
• #3415 Fix the error triggered when only a single no_update is returned for client-side callback functions with multiple Outputs. Fix #3366
• #3416 Fix DeprecationWarning in dash/_jupyter.py by migrating from deprecated ipykernel.comm.Comm to comm module
• #3488 Fix pkgutil.find_loader removal in Python 3.14

Deprecated

• #3482 Deprecate dash_table.DataTable with replacement from dash[ag-grid] extra requirement.

Dash Version 3.3.0rc2

• Remove placeholde publish button when on workspace

v4.0.0rc2

Added

• 3468 Modernize dcc.TextArea & dcc.Tooltip
• 3467 Modernize dcc.Loading
• 3453 Modernize dcc.Checklist & dcc.RadioItems

Changed

• Various tweaks and bugfixes to issues reported in 4.0.0rc1

• Dropdown API changes

  • default value of optionHeight is now 'auto' which supports text wrapping of lengthy text on small screens; you can still specify a numeric pixel height if desired
  • new labels prop to customize strings used within the component
  • default value for closeOnSelect is now True for single-select dropdowns and False for multi-select

• Slider API changes

  • default value of step is now only set to 1 if the min and max props are both integers. Otherwise, it will be dynamically computed according to the available space for the slider

Dash Version 3.3.0rc1

• Add placeholder plotly CLI
• Add dash[cloud] optional dependency.
• Add placeholder plotly cloud publish button in the devtools.

Dash Version 3.3.0rc0

Added

• #3395 Add position argument to hooks.devtool
• #3403 Add app_context to get_app, allowing to get the current app in routes.
• #3407 Add hidden to callback arguments, hiding the callback from appearing in the devtool callback graph.
• #3424 Adds support for Patch on clientside callbacks class dash_clientside.Patch, as well as supporting side updates, eg: (Running, SetProps).
• #3347 Added 'api_endpoint' to callback to expose api endpoints at the provided path for use to be executed directly without dash.

Fixed

• #3395 Fix Components added through set_props() cannot trigger related callback functions. Fix #3316
• #3397 Add optional callbacks, suppressing callback warning for missing component ids for a single callback.
• #3415 Fix the error triggered when only a single no_update is returned for client-side callback functions with multiple Outputs. Fix #3366
• #3416 Fix DeprecationWarning in dash/_jupyter.py by migrating from deprecated ipykernel.comm.Comm to comm module

v4.0.0rc1

Added

• #3440 Modernize dcc.Dropdown

v4.0.0rc0

• #3398 Modernize dcc.Input
• #3414 Modernize dcc.Slider

Dash v3.2.0

Added

• #3369 Expose dash.NoUpdate type
• #3371 Add devtool hook to add components to the devtool bar ui.

Fixed

• #3353 Support pattern-matching/dict ids in dcc.Loading target_components
• #3371 Fix allow_optional triggering a warning for not found input.
• #3379 Fix dcc.Graph backward compatibility with dash 2.0 for ddk.Graph
• #3373 Fix layout as list and persistence.

Changed

• #3365 Warn if dcc.Slider has more than 500 marks and use default instead.

Dash v3.1.1

Fixed

#3351 Fix multi-page app with suppress_callback_exceptions=True