Dash v2.7.0

Removed

• #2282 Dropped support for Internet Explorer. Our build process now targets vendor-supported browsers released in the last 7 years. Currently this means ES2015 but over time this will natually advance as older browser versions pass the 7-year threshold.

Added

• #2261 Added new placeholder_text property to filterOptions for DataTable which allows overriding the default filter field placeholder.

Updated

• #2282 Widespread dependency upgrades
  • Update Plotly.js to v2.16.1 (from v2.13.3)
    • Feature release 2.14.0 adds arrows to sankey links, and editSelection option to config.
    • Feature release 2.15.0 adds directed arrowheads and markers to scatter and scatter-like traces and increased control of automargin and legend sizing
    • Feature release 2.16.0 adds clustering to scattermapbox traces and restricted bounds to mapbox plots.
    • Patch releases 2.15.1 and 2.16.1 fix several bugs.

Fixed

• #2292 Pages: find the 404 page even if pages_folder is nested, or the 404 page is nested inside pages_folder.
• #2265 Removed deprecated before_first_request as reported in #2177.
• #2257 Fix tuple types in the TypeScript component generator.
• #2293 Fix Dropdown useMemo not detecting equal objects
• #2277 Use dropdown styles from node_modules, instead of from stored css file
• #2105 Fix order of dash component libraries imports.

Changed

• #2291 Move flask-compress dependency to new extras requires dash[compress]