There is no “Browser version” dimension in the GA4 API: https://developers.google.com/analytics/devguides/reporting/data/v1/api-schema#dimensions
Also it is not found in the Reports section of the Analytics console:

Whereas in the support article it is said:
As part of this change, clients will no longer know the exact subversion of Chrome in Google Analytics but will still know the browser and major version number.
Where is it in the console?
Interestingly, in the exploration area this dimension is present:

Secondary question is: How to explain this imparity and how to get this dimension in the API/Reports?