# Limitations

Some of the aggregation operators cannot be used in MongoDB Query language in `Development` environment. You can check the usage of some of the operators are listed below 

* [$geoNear](https://www.mongodb.com/docs/manual/reference/operator/aggregation/geoNear/)
* [$graphLookup](https://www.mongodb.com/docs/manual/reference/operator/aggregation/graphLookup/)