Prewire · case file · public copy of the record
FILE P338 PREWIRE receipts archive the live wire
CATCH #38 DETECTED JUL 4, 2026 00:41 UTC
THE CATCHscore 5/10
EXHIBIT 038
Jul 4, 2026 00:41 UTC github_releases+pages anthropics/claude-code
Claude Code v2.1.201 release indicates Sonnet 5 sessions are no longer using mid-conversation system roles for harness reminders.

READY TO POST:

looks like claude code v2.1.201 just dropped. interesting change for sonnet 5 sessions and how they handle system roles.

new claude code release v2.1.201. seems they've tweaked sonnet 5's mid-conversation system role usage for reminders.

EVIDENCE — the receipts
[MERGED across 2 sources: github_releases, pages]
shared signal: claude-code

--- github_releases :: anthropics/claude-code ---
anthropics/claude-code release: v2.1.201
name: v2.1.201
published: 2026-07-03T23:50:35Z
url: https://github.com/anthropics/claude-code/releases/tag/v2.1.201

## What's changed

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

--- pages :: https://raw.githubusercontent.com/anthropics/claude-code/main/CHANGELOG.md ---
Claude Code changelog changed: https://raw.githubusercontent.com/anthropics/claude-code/main/CHANGELOG.md
2 added lines

--- 
+++ 
@@ -1,2 +1,4 @@
 # Changelog
+## 2.1.201
+- Claude Sonnet 5 sessions no longer use the mid-conversation system role for harness reminders
 ## 2.1.200

caught by the 20-minute sweep · the live wire · all receipts

THE WIRE RECEIPTS ACCESS @VEDOLOS TERMS PRIVACY break the story before it breaks