Hi Tony.
Thanks for taking the time to try out the new image!
The path for piaware-config.txt (and some other files like cmdline.txt and config.txt) changed from /boot/ to /boot/firmware/. This is a change that Bookworm introduced.
My current guess would be you SCPed the file to the old location?
If that’s not it.
My next step would be plugging in an ethernet, have wired-network enabled and see if that works.
Lastly, you can check the journalctl logs to check any errors.