Claude Code 2.1.289 Adds agent.spawn, Fixes Permission Bypass

Claude Code CLI 2.1.289 ships 27 changes, including a new agent.spawn capability for teammates and a fix for a permission bypass where @-mentioned files now fall under deny rules, while prompt tokens rose 17.8% with system prompts making up over half.

2026-10-04 ~ 2026-10-04 · 3 related posts

• Claude Code 2.1.289 ships agent.spawn and fixes @-mention permission bypass — ClaudeCodeLog · 2026-10-04
• Claude Code 2.1.289 patches @-mention symlink bypass of file read deny rules — ClaudeCodeLog · 2026-10-04
• Claude Code 2.1.289 prompt tokens jump 17.8%, system prompts now over half — ClaudeCodeLog · 2026-10-04