I use browser profiles to separate my work stuff from my personal browsing (gmail accounts, history, bookmarks etc) and I've noticed that ctrl+\ never work in my work browser. I don't have any issues whatsoever in my personal browser.
I have the same version of the extension installed on both profiles (see below).
The extension works fine when I click on it up in the right corner. I see the correct logins on the correct sites and the autofill fills in the right stuff as well as copy the TOTP codes when applicable.
Is this a known limitation or is this maybe even my fault :P
Keep up the great work!
1Password Version: 1Password 6.0.231d
Extension Version: 188.8.131.52
OS Version: Windows 10
Sync Type: File (Dropbox)