Reporting: SmartTags stopped working.
Not sure if they had stopped working before the latest update, but they're not working now. (MS Office version: 1706 (Build 8229.2086 Click-to-Run).
EDIT: Trying to reinstall, using Dave's instructions here failed with this message: "Failed to find Logos COM server at: C:\Users\[my user name]\AppData\Local\Logos\System\LogosCom.exe".