From: Cornelia Huck on
gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1144#note_5857...
FWIW, z13 is currently the highest architecture level that QEMU can emulate,
and I don't think Fedora should target a level higher than that without some
really pressing need. (z14 support for QEMU tcg is in the works.)