GoogleBot is now running Chrome 77, yes, the evergreen GoogleBot is staying evergreen with the latest stable release of Chrome.

Chrome 77 was officially released on September 10, 2019, which puts this about 13-14 days behind that stable release.

GoogleBot was upgraded to Chrome 76 back in August, which was about a 20-day delay from the stable release. Maybe this will tighten up with each and every release?

The new features can be seen over here.

Forum discussion at Twitter.