tailwindlabs/headlessui @headlessui/react@v2.0.0-alpha.1 on GitHub

Add immediate prop to <Combobox /> for immediately opening the Combobox when the input receives focus (#2686)
Add virtual prop to Combobox component (#2779)
Add new Checkbox component
Add new Radio component as an alternative to the existing RadioGroup.Option component
Add new Button component
Add new Input component
Add new Textarea component
Add new Select component
Add new Field, Label, Description, Fieldset and Legend components
Add new DataInteractive component
Add new anchor and modal prop to ComboboxOptions, ListboxOptions, MenuItems and PopoverPanel components
Add new ListboxSelectedOption component
Add new MenuSection, MenuHeading, and MenuSeparator components
Add new simplified data-* attributes as an alternative to the existing data-headlessui-state="..." attribute
Add autoFocus prop on focusable components (which maps to data-autofocus)

Bumped to React and React DOM 18
Dialog is focused by default instead of the first focusable element (unless an element exists with a data-autofocus in the dialog)

Don't call <Dialog>'s onClose twice on mobile devices (#2690)
Lazily resolve default containers in <Dialog> (#2697)
Ensure hidden Tab.Panel components are hidden from the accessibility tree (#2708)
Add support for role="alertdialog" to <Dialog> component (#2709)
Ensure blurring the Combobox.Input component closes the Combobox (#2712)
Allow changes to the className prop when the <Transition /> component is currently not transitioning (#2722)
Export (internal-only) component interfaces for TypeScript compiler (#2313)
Fix infinite render-loop for <Disclosure.Panel> and <Popover.Panel> when as={Fragment} (#2760)
Fix VoiceOver bug for Listbox component in Chrome (#2824)
Fix outside click detection when component is mounted in the Shadow DOM (#2866)
Fix CJS types (#2880)
Fix error when transition classes contain new lines (#2871)
Fix iOS scroll lock glitches