Components

Combobox

Choose one or several options from a list narrowed by typing; supports server results and adding new options.

28 October 2026

Added

Combobox: single and multiple choice, chips and clearing on Base UI Combobox.
filter, onInputValueChange and loading for server results; onCreate for new options.
Grouped options: ComboboxItemGroup[] (label, items) for items.
Glass material: under a glass Provider this surface turns glass; material="solid" keeps it solid.

Changed

New sm size (32 px); md is 36 px (40 px on a touch screen) and lg 40 px. Corner radius is 10 px.
The box gets a hairline shadow; the focus outline is drawn 2 px outside the box; an invalid box gets a 2 px danger halo.
Shared overlay surface: raised fill, the border-overlay hairline and a shadow.
Option rows share one metric (menu-item-* tokens); the highlighted row takes the selected fill. The list has 4 px padding and 10 px corners (menu-radius).
Group headings use label-sm and line up with the option text, as in menus.
At sm the chevron and clear buttons are 24 px so they fit inside the field.