src/theme/MDXComponents/Pre.tsx

import React, {type ReactNode} from 'react';
import type {Props} from '@theme/MDXComponents/Pre';

export default function MDXPre(props: Props): ReactNode | undefined {
  // With MDX 2, this element is only used for fenced code blocks
  // It always receives a MDXComponents/Code as children
  return <>{props.children}</>;
}