The format of the package is irrelevant for most end users, a warning wouldn't be helpful (quite possibly the opposite, it would make them think there is something wrong with the installation, when everything is working as intended).
Advanced users can use apt to read the description prior to installing: $ apt show chromium-browser | grep Description Description: Transitional package - chromium-browser -> chromium snap And they always have the option to uninstall the snap afterwards if they really don't want it: $ snap remove chromium ** Changed in: chromium-browser (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958812 Title: If apt installs snap package, then warn, because maybe i dont want snap package. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1958812/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs