dated 2020-01-20.
When it comes to installing components, an error window says: No kernel modules found.
I tested two times, downloading each time, on two different computers.
One time on a real CD, next time on an USB key.
sha256sum seems ok:
paul@Sparko:~/Downloads$ sha256sum debian-testing-amd64-xfce-CD-1.iso
75c8dc7b4946eb90135fa7b705dea01c9bbc763b8016587411c5cad42f62425e debian-testing-amd64-xfce-CD-1.iso