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title: Messaging Object Model and Data Access Release Notes
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---
# Messaging Object Model and Data Access Release Notes

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

## Updates for Winter ‘26

- Added the following topics to the [Access Conversation Data](https://developer.salesforce.com/docs/service/messaging-object-model/guide/messaging-object-model-access-data.md) page:
  - Limitations of using APIs for conversation data access.
  - Differences between the `GET /conversation-entries` Conversation Data API endpoint and the Connect REST API.
- Restructured the [ConversationEntry](https://developer.salesforce.com/docs/service/messaging-object-model/references/messaging-object-model-conversationEntry/messaging-object-model-conversationentry.html) schema page.

## Updates for Summer ‘25

- Updated the [Messaging Object Model](https://developer.salesforce.com/docs/service/messaging-object-model/guide/messaging-object-model.md) diagram and object descriptions to support Enhanced Messaging.
- Added a topic describing the differences between [On-Platform and Off-Platform Messaging Objects](https://developer.salesforce.com/docs/service/messaging-object-model/guide/messaging-object-model-on-off-platform.md).
- Added a topic on how to [Access On-Platform and Off-Platform Conversation Data](https://developer.salesforce.com/docs/service/messaging-object-model/guide/messaging-object-model-access-data.md).
- Added a Reference section, along with the following new topics:
  - A topic describing the Off-Platform Messaging Objects
  - The [ConversationEntry Schema (Off Platform)](/docs/service/messaging-object-model/references/messaging-object-model-conversationEntry/messaging-object-model-conversationentry.html).
  - The [RelatedRecord Schema (Off Platform)](https://developer.salesforce.com/docs/service/messaging-object-model/references/mob-reference2/messaging-object-model-relatedrecord.html).