Claude Code 2.1.283 Ships 94 Changes Including Model Lockdown

Claude Code CLI released version 2.1.283 with 94 changes just 21 hours after the previous release, adding model whitelist controls via availableModelsMatch, a gateway prompt header, and CLAUDE.md auditing.

2026-09-26 ~ 2026-09-26 · 2 related posts

• Claude Code 2.1.283 ships 94 changes: model pinning, gateway headers, prompt audit — ClaudeCodeLog · 2026-09-26
• Claude Code 2.1.283 adds gateway prompt grouping header and exact model allowlisting — ClaudeCodeLog · 2026-09-26