New source found from dndbeyond.com

ddb_main/node_modules/@mui/material/Modal/Modal.js

@@ -8,14 +8,14 @@ import PropTypes from 'prop-types';
 import clsx from 'clsx';
 import HTMLElementType from '@mui/utils/HTMLElementType';
 import elementAcceptingRef from '@mui/utils/elementAcceptingRef';
-import { useSlotProps } from '@mui/base/utils';
-import { unstable_useModal as useModal } from '@mui/base/unstable_useModal';
 import composeClasses from '@mui/utils/composeClasses';
+import useSlotProps from '@mui/utils/useSlotProps';
 import FocusTrap from '../Unstable_TrapFocus';
 import Portal from '../Portal';
 import styled from '../styles/styled';
-import useThemeProps from '../styles/useThemeProps';
+import { useDefaultProps } from '../DefaultPropsProvider';
 import Backdrop from '../Backdrop';
+import useModal from './useModal';
 import { getModalUtilityClass } from './modalClasses';
 import { jsx as _jsx } from "react/jsx-runtime";
 import { jsxs as _jsxs } from "react/jsx-runtime";
@@ -78,7 +78,7 @@ const ModalBackdrop = styled(Backdrop, {
  */
 const Modal = /*#__PURE__*/React.forwardRef(function Modal(inProps, ref) {
   var _ref, _slots$root, _ref2, _slots$backdrop, _slotProps$root, _slotProps$backdrop;
-  const props = useThemeProps({
+  const props = useDefaultProps({
     name: 'MuiModal',
     props: inProps
   });