fix: aria-selected should not always set to false under combobox mode

src/OptionList.tsx

@@ -124,10 +124,26 @@ const OptionList: React.ForwardRefRenderFunction<RefOptionListProps, {}> = (_, r
 
  // https://github.com/ant-design/ant-design/issues/34975
  const isSelected = React.useCallback(
- (value: RawValueType) => rawValues.has(value) && mode !== 'combobox',
+ (value: RawValueType) => {
+ if (mode === 'combobox') {
+ return false;
+ }
+ return rawValues.has(value);
+ },
  [mode, [...rawValues].toString(), rawValues.size],
  );
 
+ // https://github.com/ant-design/ant-design/issues/48036
+ const isAriaSelected = React.useCallback(
+ (value: RawValueType) => {
+ if (mode === 'combobox') {
+ return String(value).toLowerCase() === searchValue.toLowerCase();
+ }
+ return rawValues.has(value);
+ },
+ [mode, searchValue, [...rawValues].toString(), rawValues.size],
+ );
+
  // Auto scroll to item position in single mode
  useEffect(() => {
  /**
@@ -275,7 +291,7 @@ const OptionList: React.ForwardRefRenderFunction<RefOptionListProps, {}> = (_, r
  {...attrs}
  key={index}
  {...getItemAriaProps(item, index)}
- aria-selected={isSelected(value)}
+ aria-selected={isAriaSelected(value)}
  >
  {value}
  </div>
@@ -360,7 +376,7 @@ const OptionList: React.ForwardRefRenderFunction<RefOptionListProps, {}> = (_, r
  <div
  {...pickAttrs(passedProps)}
  {...(!virtual ? getItemAriaProps(item, itemIndex) : {})}
- aria-selected={selected}
+ aria-selected={isAriaSelected(value)}
  className={optionClassName}
  title={optionTitle}
  onMouseMove={() => {