I'm having problems coping / pasting from 1Password into apps. I think this is an iOS 11 bug but want to share here incase others have a fix:
Expected action: the password pastes into the password field
Actual action: nothing pastes into the app password field
The password will paste into other apps like Notes.
1Password Version: 6.7.2
Extension Version: Not Provided
OS Version: iOS Public Beta 11
Sync Type: dropbox