@scandipwa/scandipwadoes not support Internet Explorer at all. Therefore, if your parent theme is @scandipwa/scandipwa,you won't be able to enjoy ScandiPWA in the Internet Explorer.Array.from() or Symbol), make sure you are including the appropriate polyfills manually, or that the browsers you are targeting already support them.all property, break properties, custom properties, and media query ranges are automatically poly-filled to add support for older browsers./* autoprefixer grid: autoplace */ to the top of your CSS file.browserslist configuration in your package.json file to target a broad range of browsers based on global usage (> 0.2%) for production builds, and modern browsers for development. This gives a good development experience, especially when using language features such as async/await, but still provides high compatibility with many browsers in production.browserslist configuration controls the output JavaScript so that the emitted code is compatible with the browsers specified. The production list will be used when creating a production build by running the build script, and the development list will be used when running the start script. You can use https://browserl.ist to see the browsers supported by your configured browserslist.browserslist that is specified in package.json:browserlist does not include polyfills automatically for you. You will still need to polyfill language features (see above) as needed based on the browsers you are supporting.