Would appear that it has to do with Chrome [Version 67.0.3396.62 (Official Build) (64-bit)] and not with my extensions because the problem remains in Incognito mode and doesn't appear in Firefox.
Are you experiencing this issue as well?
1Password Version: 7.0.2
Extension Version: X 1.7.3
OS Version: OS X 10.13.4
Sync Type: 1Password.com