They don’t seem like they have background installation mechanism right?
From the readme on GitHub:
Auto (unattended) updates are unsupported due to a lack of any capable Flutter plugin.
WeirdOrange
joined 1 year ago
If it's restricted to MS Authenticator it's very likely push notifications.
You don't need your main device connected to send/receive on the Signal desktop app.
They give you a to-do list of all the tax years you need to file.