Should I uninstall snaps before upgrading Ubuntu 18.04 to Ubuntu 20.04?

1

I am planing to upgrade Ubuntu 18.04 to Ubuntu 20.04 on my laptop. I have read How to Upgrade to a New Ubuntu Version article and suggestion: “Any third party packages may create dependency conflicts during upgrade process so you should remove them”.

Third party software are:

  • packages installed from PPA
  • packages installed from “dpkg -i package” command

But does it also relates to snap packages? Do I need to uninstall all of the snap packages before Ubuntu upgrade?

2

You do not need to uninstall any snap packages before upgrading, as snap packages are by design, distro agnostic, so a native 20.04 install will install the same snap as a native 18.04 install and work the same way.

The only caveat I would mention is that some applications which were once debs are now snaps in 20.04, for example chromium. For more information, see https://snapcraft.io/blog/chromium-in-ubuntu-deb-to-snap-transition

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