WordPress rolled out a bug fix update, version 5.6.2. Aside from an issue affecting Ultimate Addons for Gutenberg plugin, the update is largely successful, publishers are encouraged to update.
WP 5.6.2 is called a Maintenance Update. A maintenance update is one that is meant to fix bugs introduced by a previous update. Because a maintenance update fixes problems, it is generally recommended that publishers update their WordPress to the latest version.