I've just noted something I consider to be a security concern with the Chrome extension on Linux.
I deauthorized the Linux device (which appears as two devices on my profile - see screenshot) but was still able to log back in to the extension without entering my secret key.
1Password Version: Not Provided
Extension Version: 0.8.4
OS Version: Ubuntu 17.04, Chrome 60.0.3112.113 Official Build
Sync Type: Not Provided