WordPress 5.5 “Eckstine” got released on the 11th of August, named after the American jazz singer Billy Eckstine. This release introduces major improvements for the block editor and the overall security of WordPress.
As the WP Tavern states in their latest article on the upcoming WordPress 5.4 release, the theme and plugin developers should be well aware of the changes.
WordPress introduced the automatic updates feature in a 3.7 version. The WordPress doesn’t offer an option to disable or turn off the automatic update, but don’t worry there are a couple of ways to do it.