Is google XOAUTH2 implemented in 3.4?

Describe the issue or problem
My google XOAUTH2 in 3.4 doesn’t work. It was working in 3.3

Steps I took leading up to the issue
String search smtp_authtype inside 3.4 code base results only with config and readme file while in 3.3 is rezulting in code base

What application are you using?
For example, OJS 3.4.0-5

Additional information
Please add any screenshots, logs or other information we can use to investigate this problem.