I'm running 1password on mac version 6.3.1 and I've created an identity and added my email address to the identity using new label and tagging it as am email address, but regardless of browser (Both Firefox and Chrome) it doesn't seem to fill the form.
1Password Version: 6.3.1
Extension Version: Not Provided
OS Version: OS X 10.11.5
Sync Type: Dropbox