Thanks for the heads up about kernel-tools.
I didn’t get that error, but I ran into the known issue with having to remove wine before beginning the upgrade process: Systems with wine installed cannot be upgraded to Fedora 43
It’s not over yet, and this is by far the worst system upgrade ever in ~20 years and in Fedora since probably F27.
I don’t know what I’d do without the help from this forum’s members. Everyone’s comments over the course of these many days have been very appreciated.