Linux distro Penrose Triangle dissolves: New relationships with Fedora, CentOS, and RHEL

Hi folks, recently Red Hat and the CentOS Project announced and the launch of RHEL 8 and a new edition of CentOS, CentOS Stream:

In addition to being a new way to build CentOS, it also presents a new view to the relationships between Fedora, CentOS, and RHEL. Previously, Fedora was the upstream for CentOS/RHEL. However, CentOS development begins late in RHEL release lifecycle when source is shared. So CentOS has a weird double upstream relationship to Fedora and RHEL.

Now, Fedora is the first upstream for RHEL. However, the role of CentOS shifts; now, CentOS becomes the middle-ground between Fedora and RHEL. CentOS Stream will likely use infrastructure and packages identical to or derived from Fedora. So it sort of works like this:

     Fedora
        +
        |
        |
        v
 CentOS Stream <--------+ CentOS
        +                    ^
        |                    |
        |                    |
        v                    |
       RHEL +----------------+  major releases only

More details here:

https://fedoramagazine.org/fedora-and-centos-stream/

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