v1.1.0
mui/base-uiv1.1.0Jan 15, 2026by github-actions[bot]
AI Summary
Release focused on accessibility improvements, new props for form components, and popup refinements including loopFocus support and placeholder props for value components.
Key Highlights
- New CSPProvider for Content Security Policy
- Added loopFocus prop to Autocomplete and Combobox
- placeholder prop added to Combobox.Value and Select.Value
- actionsRef prop added to Field and Form
- mergeProps utility made public
New Features
- CSPProvider component
- loopFocus prop for Autocomplete and Combobox
- placeholder prop for Combobox.Value and Select.Value
- actionsRef prop for Field and Form
- nativeLabel prop for Field.Label
- Switch value prop
- mergeProps public export
- useRender missing types export
- Autocomplete data-popup-side and data-list-empty state attributes
- Combobox.Chips toolbar role for NVDA accessibility
Full Release Notes
### General changes - Fix `onOpenChangeComplete(true)` timing (#3558) by @atomiks - Fix touch `openMethod` when tapping outside element bounds on Safari (#3541) by @atomiks - Fix visually hidden input styles across form components (#3606) by @atomiks - Fix click and drags outside a nested popup component from closing its parents (#3571) by @atomiks - Fix forwarded ref types (#3638) by @atomiks - Fix detached trigger remounting (#3724) by @atomiks - Include `ref` in `BaseUIComponentProps` (#2813) by @atomiks - Remove duplicated `disabled` prop (#3650) by @seongminn - Allow `actionsRef` to be `null` (#3682) by @mj12albert ### Accordion - Fix keyboard navigation with non-interactive trigger elements (#3684) by @ZeeshanTamboli ### Autocomplete - Add `data-popup-side` and `data-list-empty` state attributes to `<Autocomplete.Trigger>` (#3491) by @atomiks - Add `loopFocus` prop (#3592) by @atomiks - Fix hidden input `id` and `required` props (#3640) by @atomiks ### Button - Remove discriminated props union (#3643) by @atomiks ### Checkbox - Fix hidden input `id` and `required` props (#3640) by @atomiks ### Combobox - Add `data-popup-side` and `data-list-empty` state attributes to `<Combobox.Trigger>` (#3491) by @atomiks - Add `loopFocus` prop (#3592) by @atomiks - Add `toolbar` role to `<Combobox.Chips>` to prevent NVDA from entering browse mode (#3647) by @atomiks - Add `placeholder` prop to `<Combobox.Value>` (#3604) by @atomiks - Fix controlled `value` prop when `items` change (#3607) by @atomiks - Fix `multiple` values label resolution in `<Combobox.Value>` (#3314) by @atomiks - Forward root `id` to visible form element (#3722) by @atomiks - Do not trigger Field `onBlur` handlers when opening popup (#3609) by @atomiks ### Context Menu - Avoid creating sibling elements next to trigger (#3645) by @atomiks ### CSP Provider - Add `CSPProvider` (#3553) by @atomiks ### Dialog - Fix `Maximum update depth exceeded` error with Suspense (#3700) by @michaldudak - Fix `<Dialog.Title>` forwardedRef type (#3736) by @ZeeshanTamboli ### Field - Add `actionsRef` prop (#3395) by @mj12albert - Add `nativeLabel` prop to `<Field.Label>` (#3723) by @atomiks - Add missing type export (#3702) by @DiegoAndai ### Form - Add `actionsRef` prop (#3395) by @mj12albert ### Menu - Fix focus guard handling (#3654) by @atomiks - Avoid disabling modality on click after hover-open (#3455) by @atomiks ### Menubar - Fix submenu outside-press dismiss on touch (#3556) by @atomiks ### Number Field - Fix Field `data-focused` state (#3563) by @atomiks - Fix hidden input focus on submit (#3581) by @atomiks ### Popover - Fix popup auto resize glitches (#3591) by @atomiks - Fix focus guard handling (#3654) by @atomiks - Prevent disabling focus management when clicking trigger before hover delay completes (#3572) by @atomiks - Refactor popup auto resize logic. It is no longer necessary to specify `--positioner-width`/`--positioner-height` CSS variables on `<Popover.Positioner>` when using detached triggers unless the `Viewport` part has been added to the JSX. (#3652) by @atomiks ### Preview Card - Support detached triggers (#3566) by @michaldudak and @atomiks ### Radio Group - Fix `value` type (#3582) by @atomiks - Fix hidden input `id` and `required` props (#3640) by @atomiks ### Scroll Area - Perf improvements (#3536) by @atomiks ### Select - Add `placeholder` prop to `<Select.Value>` (#3604) by @atomiks - Fix support for transform animations when `alignItemWithTrigger` is active (#3532) by @atomiks - Fix support for `max-height` popup style when `alignItemWithTrigger` is active (#3573) by @atomiks - Fix `data-filled` state in `multiple` mode (#3608) by @atomiks - Fix highlight being removed on popup mouseout when `highlightItemOnHover` is disabled (#3492) by @atomiks - Fix support for individual transform animations when `alignItemWithTrigger` is active (#3637) by @atomiks - Fix `multiple` values label resolution in `<Select.Value>` (#3314) by @atomiks - Forward root `id` to visible form element (#3722) by @atomiks - Do not trigger Field `onBlur` handlers when opening popup (#3609) by @atomiks ### Slider - Fix `onValueCommitted` not called for range sliders (#3600) by @mj12albert ### Switch - Add `value` prop (#3676) by @Grafikart - Fix hidden input `id` and `required` props (#3640) by @atomiks ### Toast - Fix timers not being rescheduled when updated (#3564) by @atomiks ### Tooltip - Fix popup auto resize glitches (#3591) by @atomiks - Fix `trackCursorAxis` handling (#3679) by @atomiks - Refactor popup auto resize logic. It is no longer necessary to specify `--positioner-width`/`--positioner-height` CSS variables on `<Tooltip.Positioner>` when using detached triggers unless the `Viewport` part has been added to the JSX. (#3652) by @atomiks ### mergeProps - Make `mergeProps` public (#3642) by @michaldudak and @LukasTy ### useRender - Export missing types (#3565) by @michaldudak All contributors of this release in alphabetical order: @albertdugba, @atomiks, @brijeshb42, @chuganzy, @colmtuite, @dav-is, @DiegoAndai, @Grafikart, @Janpot, @LukasTy, @michaldudak, @mj12albert, @oliviertassinari, @seongminn, @updbqn, @ZeeshanTamboli