When I try and setup my homey I get an error message after activation screen saying
“Type error: Cannot read property ‘softwareVersion’ of undefined.”
Pressing “Try again” give me screen saying that Homey is offline. If I pull the plug and restart it works fine.
The issue is that setup is canceled and I can’t restore from backup of my old Homey.
Any ideas? Can I restore in any other way?
same here. I got that fixed by going to My Devices in the web app and updating Firmware via USB
Thx for your reply @drao
Will try that tomorrow.
After firmware upgrade did you reset and setup?
Yes, worked well then. Was able to use backup from my old homey
Thx. Hope it’ll work for me. 
This might help someone.
Had big problems getting to backup screen during setup. Tried firmware upgrade via usb tool but no luck. Did it a few times and suddenly it worked. Only to realize that I hadn’t created a backup after adding a few new devices so had to start over. Same issue. Started having issues connecting Homey to my WiFi even though I entered correct password. I ended up doing resetting over and over and finally it worked. Can’t say that I did anything different the time it did work so I guess you just have to try until it works. 
I have the exact same setup, when trying to add my new Homey Pro 2023 I get:
TypeError: Cannot read property 'softwareVersion' of undefined
After reconnecting the power the device shows up in the app, and it looks like I can use it normally, but no restore options.
I noticed that the device was shipped with version 10.0.1, so I upgraded firmware to version 10.3.0, and reset the device.
After adding I got the same error. Reconnected power and then upgraded to experimental version 10.3.1-rc.2 that had multiple core fixes.
Same issue once again. Now I have reset the device at least 5 times, and same error code every time 
After resetting a handfull times more it suddenly worked, and I was presented with the screen to restore 
Thanks to @marcusabrahamsson for for encouraging to “try until it works” 
