Doesn’t seem like there is much in the update. Am I missing something?
From the post:
In some ways, this release might seem notable largely for what isn’t here. We’d planned to update the DNF package manager to a new, speedier version. We also hoped to showcase a long-awaited refresh to the user interface for Anaconda, our installation program. However, we decided these things just weren’t ready in time.
This title is at least more comprehensive: https://9to5linux.com/fedora-linux-39-beta-released-with-gnome-45-linux-kernel-6-5
(Gnome 45, kernel 6.5* …)