When I hit the show web form details button, the contents of Notes disappears from the view. Same with the show/hide previously used passwords buttons.
I have to leave the entry and return to get the Notes back.
1Password Version: 7.0.BETA-4 (70000004)
Extension Version: neta 18.104.22.168
OS Version: macOS 10.13.4
Sync Type: 1password.com