Debian 11

Debian 11 bullseye is officially released, the latest stable version and the "other white meat" of the two big distros I suspect are commonly used on OpenPOWER workstations (Fedora being the other, and Ubuntu third). Little-endian 64-bit Power ISA (ppc64el) has been a supported architecture for Debian since 8 jessie. The updates are conservative but important, which is what you're looking for if you run Debian stable, such as kernel 5.10, GNOME 3.38, KDE Plasma 5.20, LXDE 11, LXQt 0.16, MATE 1.24, and Xfce 4.16, plus gcc 10.2 and LLVM 9 (with Clang 11). ISOs are already available on the mirrors. If you've updated, post your impressions in the comments.