Apparently Debian 9.2 was released today and due to that Discover and Apper are showing many packages that need to get updated.
I'd like to view a changelog for all of those packages before running the updates.
If possible I'd like to have Apper / Discover go through the packages (or package-bundles) one by one so that it shows me a changelog (potentially along with other information such as user-confirmations for nonmaliciousness and authenticity of the package-update or user-ratings for the changes or links to the closed issues) and asks for my confirmation to update the respective package (or package-bundle).
But for a start it would be good enough if I could view a changelog for all packages to be upgraded in the terminal after running
sudo apt-get upgrade.
How can this be done? I already tried it with
apt-listchanges which was recommended here.
I'm running Debian 9 with KDE.