The CentOS Project he said today its release CentOS Linux 8.3, the third maintenance update in the latest series of the 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 possibilities, bug fixes and security updates.
Among them, there is a new level of security settings, improved consistency and repeatability when encrypting, improved corporate network configuration and renewal of security certificates. 
Additionally, CentOS Linux 8.3 makes it easier to migrate from CentOS Linux to CentOS Stream by implementing some changes to the Yum repo, such as renaming some files Yum repo in /etc/yum.repos.d and updating the 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 images are only useful for new installations, so you do not have to download hundreds of updates from repositories after installation from an older 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.
