New in This Document

The following topics have been added or changed in the GMS 8.5.201.04 release:

• The Delete Callback query has been added to support the Forget Me (GDPR) Scenario.
• The Read Receipt query has been added to the Chat v2 and Chat v2 Comet D APIs.

The following topics have been added or changed in the GMS 8.5.200.07 release:

• The Start or Schedule Callback query can now redial a COMPLETED callback by submitting its ID.
• The Callback Services and Stat Service API query now return detailed information in errors.
• The EWT APIs have been modified.