Revert "SlotFill: Pass Component instance to unregisterSlot. (#54765

)"

This reverts commit c595752.

packages/components/CHANGELOG.md

@@ -4,23 +4,26 @@
 
 ### Enhancements
 
--   `SearchControl`: polish metrics for `compact` size variant ([#54663](https://github.com/WordPress/gutenberg/pull/54663)).
--   `Button`: deprecating `isPressed` prop in favour of `aria-pressed` ([#54740](https://github.com/WordPress/gutenberg/pull/54740)).
+-   `ProgressBar`: use text color to ensure enough contrast against background ([#55285](https://github.com/WordPress/gutenberg/pull/55285)).
 
 ### Bug Fix
 
+-   `Autocomplete`: Add `aria-live` announcements for Mac and IOS Voiceover to fix lack of support for `aria-owns` ([#54902](https://github.com/WordPress/gutenberg/pull/54902)).
 -   `Placeholder`: Improved DOM structure and screen reader announcements ([#45801](https://github.com/WordPress/gutenberg/pull/45801)).
 -   `DateTimePicker`: fix onChange callback check so that it also works inside iframes ([#54669](https://github.com/WordPress/gutenberg/pull/54669)).
--   `FormTokenField`: Add `box-sizing` reset style and reset default padding ([#54734](https://github.com/WordPress/gutenberg/pull/54734)).
--   `SlotFill`: Pass `Component` instance to unregisterSlot ([#54765](https://github.com/WordPress/gutenberg/pull/54765)).
+-   `Popover`: Apply the CSS in JS styles properly for components used within popovers. ([#54912](https://github.com/WordPress/gutenberg/pull/54912))
 
 ### Internal
 
--   Update `@ariakit/react` to version `0.3.3` ([#54818](https://github.com/WordPress/gutenberg/pull/54818))
 -   `Tooltip`, `Shortcut`: Remove unused `ui/` components from the codebase ([#54573](https://github.com/WordPress/gutenberg/pull/54573))
--   Refactor ariakit usages to use the `render` prop instead of `as` and to use the namespace import ([#54696](https://github.com/WordPress/gutenberg/pull/54696)).
 -   Update `uuid` package to 9.0.1 ([#54725](https://github.com/WordPress/gutenberg/pull/54725)).
 -   `ContextSystemProvider`: Move out of `ui/` ([#54847](https://github.com/WordPress/gutenberg/pull/54847)).
+-   `SlotFill`: Migrate to TypeScript and Convert to Functional Component `<Slot bubblesVirtually />`. ([#51350](https://github.com/WordPress/gutenberg/pull/51350)).
+-   `Components`: move `ui/utils` to `utils` and remove `ui/` folder ([#54922](https://github.com/WordPress/gutenberg/pull/54922)).
+
+### Internal
+
+-   `Tooltip`, `Shortcut`: Remove unused `ui/` components from the codebase ([#54573](https://github.com/WordPress/gutenberg/pull/54573))
 
 ## 25.8.0 (2023-09-20)
 
@@ -39,7 +42,6 @@
 -   `DuotonePicker/ColorListPicker`: Adds appropriate labels to 'Duotone Filter' color pickers ([#54468](https://github.com/WordPress/gutenberg/pull/54468)).
 -   `SearchControl`: support new `40px` and `32px` sizes ([#54548](https://github.com/WordPress/gutenberg/pull/54548)).
 -   `FormTokenField`: Add `tokenizeOnBlur` prop to add any incompleteTokenValue as a new token when field loses focus ([#54445](https://github.com/WordPress/gutenberg/pull/54445)).
-- `Sandbox`: Add `tabIndex` prop ([#54408](https://github.com/WordPress/gutenberg/pull/54408)).
 
 ### Bug Fix
 
@@ -134,6 +136,7 @@
 
 -   `ColorPalette`, `BorderControl`: Don't hyphenate hex value in `aria-label` ([#52932](https://github.com/WordPress/gutenberg/pull/52932)).
 -   `MenuItemsChoice`, `MenuItem`: Support a `disabled` prop on a menu item ([#52737](https://github.com/WordPress/gutenberg/pull/52737)).
+-   `TabPanel`: Introduce a new version of `TabPanel` with updated internals and improved adherence to ARIA guidance on `tabpanel` focus behavior while maintaining the same functionality and API surface.([#52133](https://github.com/WordPress/gutenberg/pull/52133)).
 
 ### Bug Fix
 

packages/components/src/slot-fill/slot.tsx

@@ -54,7 +54,7 @@ class SlotComponent extends Component< BaseSlotComponentProps > {
 		const { name, unregisterSlot, registerSlot } = this.props;
 
 		if ( prevProps.name !== name ) {
-			unregisterSlot( prevProps.name, this );
+			unregisterSlot( prevProps.name );
 			registerSlot( name, this );
 		}
 	}