The current daily Ubuntu Server Groovy iso file fails in the same or very similar way and the desktop iso files, so it is also affected by this bug (tested from a cloned USB pendrive).
#perms size date time file-name
-rw------- 960M 2020-07-05 07:27 "groovy-live-server-amd64.iso"
And there is no improvement in the current daily Ubuntu Desktop Groovy iso file
The current daily Ubuntu Server Groovy iso file fails in the same or very similar way and the desktop iso files, so it is also affected by this bug (tested from a cloned USB pendrive).
#perms size date time file-name live-server- amd64.iso"
-rw------- 960M 2020-07-05 07:27 "groovy-
And there is no improvement in the current daily Ubuntu Desktop Groovy iso file
-rw------- 2,6G 2020-07-05 08:20 "groovy- desktop- amd64.iso"