A new entry from Claude's official release notes, summarized for readers. Check the original text at the bottom for the exact wording.
Summary
Claude Sonnet 5 sessions no longer use the mid-conversation system role for harness reminders.
Why it matters
Session handling for Sonnet 5 is simpler and more predictable; there is no user-facing setting to change.
This summary was written from the original entry; verify details in the source below.
What changed (original text)
- Claude Sonnet 5 sessions no longer use the mid-conversation system role for harness reminders
Source: Claude Code changelog (view original)