This bug was fixed in the package ubuntu-release-upgrader - 1:20.10.3
--------------- ubuntu-release-upgrader (1:20.10.3) groovy; urgency=medium
[ Dimitri John Ledkov ] * Use ubuntu-archive-keyring to verify upgrades, irrespective of how apt-key is configured.
[ Brian Murray ] * utils/demotions.py: also use the ubuntu-archive-keyring when determining packages that were demoted.
-- Brian Murray <email address hidden> Tue, 30 Jun 2020 09:15:09 -0700
This bug was fixed in the package ubuntu- release- upgrader - 1:20.10.3
--------------- release- upgrader (1:20.10.3) groovy; urgency=medium
ubuntu-
[ Dimitri John Ledkov ] archive- keyring to verify upgrades, irrespective of how
* Use ubuntu-
apt-key is configured.
[ Brian Murray ] archive- keyring when determining
* utils/demotions.py: also use the ubuntu-
packages that were demoted.
-- Brian Murray <email address hidden> Tue, 30 Jun 2020 09:15:09 -0700