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Release: Bolt for JS v5

Version 5.0.0 of Bolt for JS is here! This release follows the Node Slack SDK's shift from axios to the native Fetch API, removes the deprecated Workflow Steps from Apps feature, and raises the minimum Node.js version to 20.

If your app doesn't use proxy/TLS configuration or inspect respond() return values, this upgrade is possibly only a version bump.

New features​

  • We've added a dispatcher option to the SocketModeReceiver class.
  • We've added instanceof operator support to error classes.

Breaking changes​

  • We've raised the minimum Node.js version to 20.
  • We've removed the agent and clientTls options from the AppOptions interface.
  • We've updated the SocketModeReceiver class to accept a dispatcher option instead of proxy agents.
  • We've removed Workflow Steps from Apps.
  • We've updated the respond() utility function to return a native Response object.
  • We've upgraded the Node Slack SDK dependencies.
  • We've improved error handling throughout.

For full migration details, see the Bolt for JS v4 to v5 migration guide.