New Changes in Claude Code System Prompts
ClaudeCodeLog · x · 2026-07-11
This post mentioned the system prompt update in Claude Code 2.1.207, highlighting how it affects the model's understanding of context and tool annotations:
- It no longer explicitly states that <system-reminder> tags are injected by the harness instead of being user text, which might lead the model to treat these markers as user-provided content.
- It also added non-instructional noise related to Bun hot updates, which could be distracting or trigger unnecessary troubleshooting behaviors in unrelated conversations.
Related event: Claude Code 2.1.207 Released: Auto Mode Enabled by Default(5 posts)→
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