For example, you can broadcast realtime events to the multiple tabs that a user has opened. Or you can broadcast realtime events across multiple users that have your app open.

Forge Realtime capabilities include:

Sending and receiving events between instances of your Forge frontend (Custom UI and UI Kit)
Publishing events from your Forge backend to your Forge frontend, using the @forge/realtime package
A secure-by-default yet flexible channel permissions context
- Realtime channel contexts meet the same authentication and confidentiality standards as Atlassian app contexts. The Forge Realtime API also allows for fine-grained control over channel context - for example, restricting channels on a per-issue or per-project basis.

Using Forge Realtime

References and guides on Realtime capabilities:

Subscribing to and publishing realtime events in your app frontend
Publishing realtime events in your app backend
Managing channel security by authorizing realtime channels
Error handling for Realtime methods

Use cases

Some use cases for these capabilities:

Create real-time status indicators showing when team members are viewing, editing, or working across the same Forge app context
Implement collaborative activity feeds that broadcast project updates and team actions across all users viewing the same workspace context.

Changes from EAP

New features

Realtime is now available in Jira and Confluence.
The contextOverrides option now also accepts Confluence context properties.
Event payloads can now be JSON-serializable objects without needing to be stringified first. String payloads are still supported.