The CentOS Project he said today the release of CentOS Linux 8.3, the third maintenance update to the latest CentOS Linux 8 operating system.
After six months of development, CentOS Linux 8.3 is derived from the source code of Red Hat Enterprise Linux 8.3, which means it has many improvements, new features, bug fixes and updates security.
Among them, there is a new level of security settings, improved consistency and repeatability during encryption, improved configuration of corporate networks and renewal of security certificates. 
Additionally, CentOS Linux 8.3 facilitates the migration from CentOS Linux to CentOS Stream by implementing some changes to Yum repo, such as renaming some Yum repo files to /etc/yum.repos.d and updating repoids.
CentOS developers recommend that you compare any changes you make to your local / etc files, including .repo files, with .rpmnew generated before attempting to update your CentOS Linux 8.3 installation
In addition, you will need to update the scripts you have to use –enablerepo = or –disablerepo = flags.
CentOS Linux 8.3 is available for download from the official website for 64-bit (x86_64), ARM64 (AArch64) and PowerPC (ppc64le) architectures.
However, these new pictures are only useful for fresh installs so you don't have to download hundreds of updates from the repositories after installing from a oldest ISO.
If you are already using CentOS Linux 8.2 or an earlier version (8.x), all you have to do is update your system and you will have the latest version.
