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title: Enhanced Chat API Release Notes
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# Enhanced Chat API Release Notes

This section describes recent changes that have been made to this guide.

## Updates for June 2026

- Added [Enhanced Chat Configuration API Endpoints](https://developer.salesforce.com/docs/service/messaging-api/references/miaw-api-reference-esw?meta=Summary) section.
- Added [Agent Availability API](https://developer.salesforce.com/docs/service/messaging-api/references/miaw-api-reference-esw?meta=getAgentAvailability).

## Updates for February 2026

- Added [SessionStatusChanged](https://developer.salesforce.com/docs/service/messaging-api/references/miaw-api-reference?meta=type%3AEntryType) EntryType as a supported conversation entry type when [listing conversation entries](https://developer.salesforce.com/docs/service/messaging-api/references/miaw-api-reference?meta=listConversationEntries).
- Added [CONVERSATION_SESSION_STATUS_CHANGED](https://developer.salesforce.com/docs/service/messaging-api/references/about/server-sent-events-structure.html#conversation_session_status_changed) server-sent event.