Pi 4 kiosk mode - auto bootup and sign in

Hi all,

I’m struggling to get an auto sign in for a display using a Pi 4 and the latest Pi OS (Trixie).
Everything I try, Chromium fails to boot. Not even sure if it’ll auto sign into the Kiosk as of yet, as I can not get that far.
The latest tutorial I found was this one - https://rebeccamdeprey.com/blog/raspberry-pi-kiosk-mode
But again, I was unsuccessful. When I open Chromium, it always asks for a key. I’ve tried disabling this in the script but to no avail.
Anybody know how or an easier method?
Many thanks