---
title: "Claude Code v2.1.201 Release: Sonnet 5 Sessions Remove Mid-Conversation System Role Reminders"
source: "Claude Code：GitHub Releases（RSS）"
source_tier: "t1_5"
url: "https://github.com/anthropics/claude-code/releases/tag/v2.1.201"
permalink: "https://feed.astralor.com/items/itm_da8e32fc31e460976bcbacdf"
published: "2026-07-03T23:50:35.000Z"
score: 59
channel: "ai"
tags: ["Claude Code","Claude Sonnet 5","Interaction Experience Optimization","System Role Reminder"]
---

# Claude Code v2.1.201 Release: Sonnet 5 Sessions Remove Mid-Conversation System Role Reminders

## At a glance

In Claude Code v2.1.201, Claude Sonnet 5 sessions no longer utilize the mid-conversation system role for harness reminders. This change simplifies the conversation flow, reduces unnecessary system interruptions, and allows the model to focus more on user instructions in long conversations, enhancing the overall interaction experience.

## Key points

- Claude Sonnet 5 sessions remove mid-conversation system role reminders
- Reduces system interruptions in dialogues
- Improves coherence and user experience in long sessions

## Full text

What's changed Claude Sonnet 5 sessions no longer use the mid-conversation system role for harness reminders

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