Storefront 2.4.2 has been tagged for release and uploaded to WordPress.org.
Here’s what’s changed pulled directly from the changelog:
* Fix - Load in functions.php missing storefront-woocommerce-functions.php file required for compatibility with Jetpack's Infinite Scroll feature. * Dev - Update order of Sass import files in gutenberg-blocks.scss and gutenberg-editor.scss to ensure that these are compiled correctly. * Dev - Update Grunt tasks.
Download the latest release of Storefront here or venture over to Dashboard → Updates to update your theme from WordPress.
As usual, if you spot any other issues, please log them in detail on Github.