iOS 11.1.1 on 10.5 iPad pro.
drag and dropping of my credit card act # failed. The spaces in the acct # field were included in the drag and drop resulting in my acct # being truncated. Had to copy and paster instead. I was able to drag and drop the security code, which did not have spaces.
1Password Version: 7.01
Extension Version: Not Provided
OS Version: 11.1.1
Sync Type: account