--- title: v1.0.0-alpha.5 subtitle: Jan 10, 2025 description: v1.0.0-alpha.5 release notes. Jan 10, 2025. --- # v1.0.0-alpha.5 v1.0.0-alpha.5 release notes. Jan 10, 2025. ## AlertDialog - **Breaking change:** Require `Portal` part. The AlertDialog must explicitly include the Portal part wrapping the Popup. The `keepMounted` prop was removed from the Popup. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Don't call `onNestedDialogOpen` when unmounting a closed nested dialog [#1280](https://github.com/mui/base-ui/pull/1280) - Fix the nesting of different dialogs [#1167](https://github.com/mui/base-ui/pull/1167) - Remove `useFloating` call from the Popup [#1300](https://github.com/mui/base-ui/pull/1300) - Set `pointer-events` on `InternalBackdrop` based on `open` state [#1221](https://github.com/mui/base-ui/pull/1221) - Use internal backdrop for pointer modality [#1161](https://github.com/mui/base-ui/pull/1161) ## Dialog - **Breaking change:** Require `Portal` part. The Dialog must explicitly include the Portal part wrapping the Popup. The `keepMounted` prop was removed from the Popup. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Don't call `onNestedDialogOpen` when unmounting a closed nested dialog [#1280](https://github.com/mui/base-ui/pull/1280) - Fix the nesting of different dialogs [#1167](https://github.com/mui/base-ui/pull/1167) - Remove `useFloating` call from the Popup [#1300](https://github.com/mui/base-ui/pull/1300) - Set `pointer-events` on `InternalBackdrop` based on `open` state [#1221](https://github.com/mui/base-ui/pull/1221) - Use internal backdrop for pointer modality [#1161](https://github.com/mui/base-ui/pull/1161) ## Menu - **Breaking change:** Require `Portal` part. The Menu must explicitly include the Portal part wrapping the Positioner. The `keepMounted` prop was removed from the Positioner. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Apply `aria-hidden` to `Arrow` parts [#1196](https://github.com/mui/base-ui/pull/1196) - Fix `focusableWhenDisabled` components [#1313](https://github.com/mui/base-ui/pull/1313) - Fix `openOnHover` issues [#1191](https://github.com/mui/base-ui/pull/1191) - Fix closing the menu when clicking on checkboxitem/radioitem [#1301](https://github.com/mui/base-ui/pull/1301) - Fix Enter key preventDefault when rendering links [#1251](https://github.com/mui/base-ui/pull/1251) - Handle pseudo-element bounds in mouseup detection [#1250](https://github.com/mui/base-ui/pull/1250) - Set `pointer-events` on `InternalBackdrop` based on `open` state [#1221](https://github.com/mui/base-ui/pull/1221) - Use internal backdrop for pointer modality [#1161](https://github.com/mui/base-ui/pull/1161) ## NumberField - Correctly handle quick touches [#1294](https://github.com/mui/base-ui/pull/1294) ## Popover - **Breaking change:** Require `Portal` part. The Popover must explicitly include the Portal part wrapping the Positioner. The `keepMounted` prop was removed from the Positioner. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Apply `aria-hidden` to `Arrow` parts [#1196](https://github.com/mui/base-ui/pull/1196) - Fix PopoverTrigger and TooltipTrigger prop types [#1209](https://github.com/mui/base-ui/pull/1209) ## PreviewCard - **Breaking change:** Require `Portal` part. The PreviewCard must explicitly include the Portal part wrapping the Positioner. The `keepMounted` prop was removed from the Positioner. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Apply `aria-hidden` to `Arrow` parts [#1196](https://github.com/mui/base-ui/pull/1196) - Use `FloatingPortalLite` [#1278](https://github.com/mui/base-ui/pull/1278) ## Progress - Set zero width when value is zero [#1204](https://github.com/mui/base-ui/pull/1204) ## ScrollArea - Differentiate `x`/`y` orientation `data-scrolling` [#1188](https://github.com/mui/base-ui/pull/1188) - Read `DirectionProvider` and use logical positioning CSS props [#1194](https://github.com/mui/base-ui/pull/1194) ## Select - **Breaking change:** Require `Portal` part. The Select must explicitly include the Portal part wrapping the Positioner. The `keepMounted` prop was removed from the Positioner. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Allow `id` to be passed to trigger [#1174](https://github.com/mui/base-ui/pull/1174) - Fallback to standard positioning when pinch-zoomed in Safari [#1139](https://github.com/mui/base-ui/pull/1139) - Fix `focusableWhenDisabled` components [#1313](https://github.com/mui/base-ui/pull/1313) - Fix highlight flash on Safari [#1233](https://github.com/mui/base-ui/pull/1233) - Handle pseudo-element bounds in mouseup detection [#1250](https://github.com/mui/base-ui/pull/1250) - Use internal backdrop for pointer modality [#1161](https://github.com/mui/base-ui/pull/1161) ## Separator - Support vertical orientation [#1304](https://github.com/mui/base-ui/pull/1304) ## Slider - Ensure `onValueCommitted` is called with the same value as latest `onValueChange` [#1296](https://github.com/mui/base-ui/pull/1296) - Replace internal map with `Composite` metadata [#1082](https://github.com/mui/base-ui/pull/1082) - Set `position: relative` on range slider indicator [#1175](https://github.com/mui/base-ui/pull/1175) - Use un-rounded values to position thumbs [#1219](https://github.com/mui/base-ui/pull/1219) ## Tabs - Expose width/height state in tabs indicator [#1288](https://github.com/mui/base-ui/pull/1288) ## Tooltip - **Breaking change:** Require `Portal` part. The Tooltip must explicitly include the Portal part wrapping the Positioner. The `keepMounted` prop was removed from the Positioner. It's only present on the Portal part. [#1222](https://github.com/mui/base-ui/pull/1222) - Apply `aria-hidden` to `Arrow` parts [#1196](https://github.com/mui/base-ui/pull/1196) - Fix PopoverTrigger and TooltipTrigger prop types [#1209](https://github.com/mui/base-ui/pull/1209) - Use `FloatingPortalLite` [#1278](https://github.com/mui/base-ui/pull/1278)