Hi
I successfully upgrade mi pi 4 to the last stable eeprom that allowed boot from usb
I ended capable to boot from usb when I installed raspberry pi os, but when I try to burn the hassio Image on the USB , I cannot boot and do not receive ping from the device
Please help
Regards
David
Hi David, I am in the same situation like you.
did you have any update on this?
Thanks
Hi
Yes. And very good news
I try to install the home assistant directly on the pi with a full pi OS and it is working great an stable and most important fast fast !!
I am not Linux familiar but I did exactly all the commands line at the attached link and I am very happy 
Now I can also access with SSH and RDP to the pi
Regards
David
course all the above is with USB stick attached to the pi 4 without any SD card