The verification passed for an upgrade from Xenial to Bionic with the dist-upgrader in -proposed on an Ubuntu desktop system.
bdmurray@clean-xenial-amd64:/tmp/ubuntu-release-upgrader-4s1rl91t$ snap list Name Version Rev Tracking Publisher Notes core18 20210309 1997 latest/stable canonical✓ base gnome-3-34-1804 0+git.3556cb3 66 latest/stable canonical✓ - gnome-calculator 3.38.2+git3.1d166209 884 latest/stable/… canonical✓ - gnome-characters v3.34.0+git30.16311a5 708 latest/stable/… canonical✓ - gnome-logs 3.36.0 103 latest/stable/… canonical✓ - gnome-system-monitor 3.38.0-17-g38c1ce1d62 157 latest/stable/… canonical✓ - gtk-common-themes 0.1-50-gf7627e4 1514 latest/stable canonical✓ - snapd 2.49.2 11588 latest/stable canonical✓ snapd bdmurray@clean-xenial-amd64:/tmp/ubuntu-release-upgrader-4s1rl91t$ snap info gnome-logs name: gnome-logs summary: A log viewer for the systemd journal publisher: Canonical✓ store-url: https://snapcraft.io/gnome-logs contact: https://bugs.launchpad.net/ubuntu/+source/gnome-logs/+bugs?field.tag=snap license: unset description: | Logs makes it easy to view and filter log messages and events. Filter logs by category and importance to get the information you want. Use the integrated search to get more relevant results. commands: - gnome-logs snap-id: kIMfmZTJspWa8vtfbgU3W9Nbv4V5Qgmh tracking: latest/stable/ubuntu-18.04 refresh-date: today at 11:35 PDT channels: latest/stable: 3.36.0 2021-03-15 (103) 561kB - latest/candidate: ↑ latest/beta: ↑ latest/edge: ↑ installed: 3.36.0 (103) 561kB - bdmurray@clean-xenial-amd64:/tmp/ubuntu-release-upgrader-4s1rl91t$ grep "release-upgrader version" /var/log/dist-upgrade/main.log 2021-04-20 09:19:16,290 INFO release-upgrader version '18.04.40' started -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922297 Title: 20.10 to 21.04: snap does not upgrade channel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1922297/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs