v2.1.204

2.1.204

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Highlights:

• SessionStart hooks now stream in headless sessions, preventing remote workers being idle-reaped mid-hook
• grep documented to use ripgrep as its backend and recommended as the default for faster repository searches

CLI changelog

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

Source: https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md#21204

Metadata

• Time since 2.1.203 release: 21h 54m 51s

• Bundle file size: +0.0 kB (+0.0%)

• Prompt files: +3 (+7.1%)

• Prompt tokens: +12,322 (+12.9%)

Prompt token mix by kind:

• system-reminder: 56.6%→57.0%
• tools: 42.5%→42.2%
• system: 0.6%→0.5%
• agent: 0.3%→0.3%

Files:

• metadata: 322d060/meta/metadata.md#diff-a08dfa163baef97ea4f56d29009ac65f5f7dbc46e3a58e80d7aa06a2a2520899L10-R10
• prompt stats: 322d060/meta/prompt-stats.md#diff-fa8e31336ece71d159f37b6fd4ed0c61939849140bd5c08c7ca793b5b2ae7f58L1-R1

Other prompt changes

1. Assistant will refuse destructive cyberattack requests and require explicit authorization before assisting with dual‑use security tools.
2. Adds a summary recommending using grep for search tasks and clarifies how output modes, head_limit, and offset control search results.

Links:

1. e843508/system-prompts/system-reminder-interactive-software-3.md#diff-2c89d5b23af1514a266d25b014effe15c5b406b670237587dd373da96d7c28adL96
2. 78fa354/system-prompts/tool-description-grep.md#diff-98f084cc9ae739dcef3d2c75ea5cf55429dbb647973737f30693e59689d25d58R3