v2.1.201

Claude Code

Jul 3, 2026View on GitHub Documentation

Summary

This release addresses an issue related to how Claude Sonnet 5 sessions handle system roles during conversations. Specifically, harness reminders will no longer incorrectly utilize the mid-conversation system role.

Bug Fixes

Fixed an issue where Claude Sonnet 5 sessions incorrectly used the mid-conversation system role for harness reminders.

Claude Code Documentation

cli mcp sdk hooks getting started