In general yes, garbage collection in Relay Modern is meant to help constrain growth of memory usage during the course of a session. This is where the declarati

In general yes, garbage collection in Relay Modern is meant to help constrain growth of memory usage during the course of a session. This is where the declarative nature of GraphQL is helpful; unlike Redux which is accessed via arbitrary selector functions, Relay knows (via queries, fragments, etc) which parts of the cache may still be referenced and can evict records that aren't.