It seems like Google has made a new GoogleBot user agent name i.e dynamic for the evergreen Googlebot live. Google’s Martin Splitt said a month ago that Google experiment was live for the test of new user agent name in wild.
Recommendation: Google Announced About January Core Update For 2020
Tweet By Barry Schwartz
yep, that one is still there as well – but less frequently. For the domains I re-checked now it's one of those below – but almost always with Chrome 41 UA (however feature detection suggest its >95% Chrome 78). pic.twitter.com/fI03azcaqn
— Bastian Grimm (@basgr) January 14, 2020
Gogooglebot Chorme/78 hits by day pic.twitter.com/FVDBiucSS6
— Lino Uruñuela (@Errioxa) January 14, 2020