I've tried to upgrade my 1.1.8 (and even 1.2.0 201904151631) by issuing the following:
add system image https://downloads.vyos.io/rolling/current/amd64/vyos-1.2.0-rolling%2B201904160337-amd64.iso
, and I get the following signature verification error:
Checking for digital signature file... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 curl: (22) The requested URL returned error: 404 Not Found Unable to fetch digital signature file. Do you want to continue without signature check? (yes/no) [yes]