Dash v1.20.0

Dash and Dash Renderer

Changed

• #1531 Update the format of the docstrings to make them easier to read in the reference pages of Dash Docs and in the console. This also addresses #1205
• #1553 Increase the z-index of the Dash error menu from 1001 to 1100 in order to make sure it appears above Bootstrap components.

Fixed

• #1546 Validate callback request outputs vs output to avoid a perceived security issue.

Dash Core Components

Added

• #863 Adds a new Download component. Along with this several utility functions are added to help construct the appropriate data format:
  • dcc.send_file - send a file from disk
  • dcc.send_data_frame - send a DataFrame, using one of its writer methods
  • dcc.send_bytes - send a bytestring or the result of a bytestring writer
  • dcc.send_string - send a string or the result of a string writer

Changed

• #923
  Set autoComplete to off in dcc.Dropdown. This fixes #808

Fixed

• #930 Fixed a bug #867 with DatePickerRange that would sometimes shift the allowed dates by one day.
• #934 Fixed a bug in EnhancedTab component that ignored disabled_className property

Dash HTML Components

Fixed

• #179 - Fixes #77 Added allow and referrerPolicy properties to html.Iframe

• #178 - Fix #161 data property, and fix #129 obsolete, deprecated, and discouraged elements. No elements were removed, but comments were added to the documentation about these elements detailing their limitations.

  Dash Table

  Changed

  • #862 - update docstrings per #1205
  • #878 - update build process to use Webpack 5 and other latest dependencies