# Claude Code 2.1.204: hook events stream during SessionStart in headless sessions

> Single-fix release. Hook events were not streaming during `SessionStart` hooks in headless sessions, which could get remote workers idle-reaped while a hook was still running.

| | |
|---|---|
| **Tool** | Claude Code |
| **Version** | 2.1.204 |
| **Kind** | release |
| **Published** | 2026-07-08 |
| **Observed** | 2026-08-11 |
| **Significance** | 2/5 |
| **Breaking** | no |
| **Categories** | fix |

## What changed


- Fixed hook events not streaming during `SessionStart` hooks in headless sessions, which could cause remote workers to be idle-reaped mid-hook


## Sources

- [changelog_md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md) — retrieved 2026-08-11

## Community

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Canonical: https://changelogs.info/claude-code/2-1-204
Entity: https://changelogs.info/claude-code
Event ID: `evt_2026-07-08_claude-code_2-1-204`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.