iPassword 4 Mac Won’t Fill in Chrome (or Chromium)

If this happens to you, it’s possible that Chrome (or Chromium) has updated itself in the background. Quit and re-launch the browser and 1Password 4 should start filling in usernames and passwords again like you’d expect.

I originally tracked this down in the AgileBits forums, but can’t find it anymore. Leaving the tip here in case it helps someone else.