rpm-ostree currently does not support DKMS, and it’s unlikely that’ll be implemented anytime soon, if ever. It does support akmods, though, which is the preferred way to build Kernel modules on Fedora. You could ask if the packager can build that way to support the Fedora Atomic editions.

If you need these Kernel modules now, I think your only option would be to build manually from source, but that has the downside of requiring a manual step every time the Kernel is updated.

Edit: there are a few issue reports already: https://github.com/pop-os/system76-dkms/issues/58 https://github.com/pop-os/system76-acpi-dkms/issues/16

Hi, I can answer about the PS3 controller issue. I thought about making a public announcement about this, but I forgot. I’ll work on that now and then link to it here, but to sum up the situation: Support for insecure legacy devices is now disabled due to CVE-2023-45866, and that includes the PS3 controller. You can re-enable support, but that will make your PC vulnerable when Bluetooth is in discoverable mode — that’s when you’re pairing a device; in GNOME that’s when you just have the Bluetooth settings open; easy to have on by accident.

I’ll explain how to re-enable support in the PSA post. It’s a one-liner, but I won’t put it here because I think people should be well-informed of the risks before considering it.