Popup menu in the top bar to easily manage usual snap tasks (list, changes, refresh, remove, install...). No update notification at session start-up: use Snap Manager extension for that. All the results of actions are displayed in GNOME Terminal, so you can exactly know what you are doing and what is processing. Very light extension, no background process, no periodic background task. You can disable snaps auto updates for a limited time (up to one month, renewable), consequently be notified of snap updates and manually install them. This is not an official Ubuntu/Canonical extension.
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