A single security bug was fixed in Chrome 64.0.3282.167, released by Google on February 13.
The new version will find its way to your desktop automatically, unless you’re diligent about killing Google’s pesky auto-update processes. If that describes you, or you just don’t want to wait, you can usually encourage Chrome to update itself by navigating to >
About Google Chrome.
There’s additional information in the full change log for Chrome 64.0.3282.167.