CentOS 8.5 is a Linux-based operating system that is part of the CentOS project, which is a community-driven distribution that is built from the same source code as Red Hat Enterprise Linux (RHEL). CentOS 8.5 is the fifth minor release of CentOS 8 and was released on November 4, 2021. CentOS 8.5 includes a number of updates and improvements over previous releases, including updated packages, security fixes, and bug fixes. It also includes the latest stable kernel version and supports both the GNOME and KDE Plasma desktop environments.