This is an unintended side-effect of the changes to ubuntu-release-upgrader for bug #1943840. I was unaware that update-manager reads /usr/share/ubuntu-release-upgrader/deb2snap.json.
This is an unintended side-effect of the changes to ubuntu- release- upgrader for bug #1943840. I was unaware that update-manager reads /usr/share/ ubuntu- release- upgrader/ deb2snap. json.