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Claude Code 2.1.283: 94 CLI changes

The release adds model version locking, a request correlation header and a load_test_mode for safe load testing, among 94 CLI changes.

Claude Code Changelog
@ClaudeCodeLogArchived 2026.09.26Originally posted 2026.09.26
Claude Code Changelog @ClaudeCodeLogOriginally posted 2026.09.26
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Claude Code 2.1.283 has been released. 94 CLI changes Highlights: • availableModelsMatch='exact' locks an availableModels entry to the named model version, blocking new releases • Opt-in x-claude-code-prompt-id header lets LLM gateways group and correlate requests for one user prompt • Opt-in load_test_mode builds/signs requests, blocks upstream and serves canned replies for safe load testing Full details are in thread ↓

x.com/claudecodelog/status/2103606260356526414Archived 2026.09.26 10:24