When using $select in the query string for an OData v4 service it is ignored. For example: = OData.Feed("https://<org>.api.crm4.dynamics.com/api/data/v8.2/opportunities?$select=name,actualrevenue")...
Hi, the above response is not really useful the point here is to use Select to reduce the amount of data downloaded before it comes to Power Query. This is really a bug and should be fixed.