With v18.2, XPO's Session and other key classes ship with a set of async APIs, including FindObjectAsync, GetObjectByKeyAsync, CommitChangesAsync (which return System.Threading.Tasks.Task object).
These Task-based APIs are important for both server and client programming (useful for long and DB-intensive operations like commits, queries, delete operations, etc.) as they improve server scalability and deliver a more resilient user experience, especially on mobile devices....
Dennis (DevExpress Support)
16 October 2018