Material UI v1, v3, and v4 are available on npm under @material-ui/core.
Material UI v5 and above are available on npm under @mui/material.
It’s the same library, but they changed the npm package name in version 5.
Material UI v1, v3, and v4 are available on npm under @material-ui/core.
Material UI v5 and above are available on npm under @mui/material.
It’s the same library, but they changed the npm package name in version 5.