Story
claude_code_releases · Sep 25, 2026 · release
Source brief
claude-code v2.1.283
github.comSep 25, 2026
original source linked
Release highlights
- Added x-claude-code-prompt-id to the gateway hint headers so LLM gateways can group the requests that serve one user prompt; opt in with CLAUDE_CODE_GATEWAY_...
- Added availableModelsMatch managed setting: with "exact" , an availableModels entry allows only the model version it names, so new releases stay blocked unti...
- Added deniedModels managed setting to block specific models, even when availableModels allows them
Feed lens
agentevalclaude code