Comment 6 for bug 1815579

I can't reproduce the problem any more with 340 either:

~$ apt-cache policy nvidia-340
nvidia-340:
  Installed: 340.107-0ubuntu0.18.04.2
  Candidate: 340.107-0ubuntu0.18.04.2
  Version table:
 *** 340.107-0ubuntu0.18.04.2 400
        400 http://archive.ubuntu.com/ubuntu bionic-proposed/restricted amd64 Packages
        100 /var/lib/dpkg/status
     340.107-0ubuntu0.18.04.1 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages
     340.106-0ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages

:~$ apt-cache policy xserver-xorg-hwe-18.04
xserver-xorg-hwe-18.04:
  Installed: 1:7.7+19ubuntu8~18.04.2
  Candidate: 1:7.7+19ubuntu8~18.04.2
  Version table:
 *** 1:7.7+19ubuntu8~18.04.2 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status