The Chromium situation has been explained already in 2019, https://snapcraft.io/blog/chromium-in-ubuntu-deb-to-snap-transition https://snapcraft.io/blog/chromiu

The Chromium situation has been explained already in 2019, https://snapcraft.io/blog/chromium-in-ubuntu-deb-to-snap-transition https://snapcraft.io/blog/chromium-in-ubuntu-deb-to-snap-tra... There is no deb package in Ubuntu, so the system is setup to transparently install the snap package.