I use Chrome Version 61.0.3163.71 (64-Bit) and no Logins are detected by 1Password and Passwords are not filled in anymore. This was working some time before. Also Password Mini offers alway to install the Chrome plugin. Once installed and Chrome restarted, Password Mini still offers the Installation.
1Password Version: 1Password Version 6.8.1 (681005) Mac App Store
Extension Version: 220.127.116.11
OS Version: 10.12.6 (16G29)
Sync Type: iCloud