Signal Secure Backups

This looks brilliant. I just hope they make it easy to do test restores. In particular, I want to test restore without perturbing my main device. Let me restore using the secret key on a new device.

When I install Signal on a computer it won't show me message history. Will backups allow me to view _all_ my message history on a computer? A big screen is very helpful for browsing lots of messages.

As of a few months ago, when setting up Desktop you do actually get an option to copy your message history to it