anthropic Claude Code Releases · · 2.1.201

Claude Sonnet 5 system role change for harness reminders

sdkaiengineer
patch

Claude Sonnet 5 sessions will no longer use the mid-conversation system role for harness reminders. This change impacts users who rely on this specific system role for reminder functionality. The update ensures cleaner and more direct communication within the API.

Read the original announcement →

https://github.com/anthropics/claude-code/releases/tag/v2.1.201