Storefront 2.5.5 has been tagged for release and uploaded to WordPress.org.
Here’s what’s changed (pulled directly from the changelog):
* Fix - Blocks: Fix vertical alignment of left/right aligned image blocks. * Fix - Blocks: Correct center alignment of product image in Top Rated Products block with small number of columns. * Fix - Blocks: Improve margins between floated embed/image block and list block. * Fix - Customizer: Ensure headings and links in the footer use colors set in Customizer.
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.