Claude Code 2.1.301 Lands 51 CLI Changes and Tighter Security Prompt

Claude Code 2.1.301 ships 51 CLI changes plus a system prompt update restricting Claude to authorized security testing and refusing destructive techniques, alongside features like a retry watchdog and OTel classifier events.

2026-10-16 ~ 2026-10-16 · 4 related posts

• Claude Code 2.1.301 ships 51 CLI changes plus a security-scoping system prompt update — ClaudeCodeLog · 2026-10-16
• Claude Code 2.1.301 changelog: retry watchdog, vim % motion, richer OTel classifier events — ClaudeCodeLog · 2026-10-16
• Claude Code 2.1.301 system prompt leak: authorized security testing only, destructive techniques refused — ClaudeCodeLog · 2026-10-16
• Claude Code 2.1.301 tightens system prompt: scoped to authorized security testing only — ClaudeCodeLog · 2026-10-16