A new entry from Claude's official release notes, summarized for readers. Check the original text at the bottom for the exact wording.
Summary
The session.thread_* webhook events now carry a session_thread_id field that identifies the multi-agent thread behind the event.
Why it matters
Applications that run several threads can attribute each webhook to the right thread instead of inferring it.
This summary was written from the original entry; verify details in the source below.
What changed (original text)
The session.thread_* webhook events now include a session_thread_id field identifying the multi-agent thread that triggered the event.
Source: Claude Platform release notes (view original)