Originally Posted by roycymru
The statement "WARNING: Going forward we are distributing specific upgrade packages to devices based on various criteria which makes the upgrades incompatible between some devices". Is also less than re-assuring and not clear in what this will mean to end users in practice.
It means nothing if you let the device auto update
You missed out the important line from your quote, kobo do not support side loading updates
If you sideload an update to your device and it doesn't work properly, it is your fault