I'm currently on Kubuntu 19.10. I don't have any snaps. So they can't autoupdate. BTW: After installation of Kubuntu there were automatic security updates. But

I'm currently on Kubuntu 19.10. I don't have any snaps. So they can't autoupdate. BTW: After installation of Kubuntu there were automatic security updates. But it was possible to turn these off in the Muon Package Manager (Settings | Software Sources | Updates | Automatic Updates)