Claude Code 2.1.219：新增 Opus 5 与多项安全及功能改进

AI 摘要

Claude Code 2.1.219 版本新增 Claude Opus 5 模型作为默认 Opus 模型，支持 1M 上下文和快速模式。同时引入了 sandbox.network.strictAllowlist 设置、DirectoryAdded 钩子、嵌套子代理转发等功能，并修复了多个问题。动态工作流默认调整为中等规模，子代理嵌套深度默认提升至 3 层。

正文节选

- Added Claude Opus 5 (`claude-opus-5`), now the default Opus model — 1M context, fast mode at $10/$50 per Mtok - Added `sandbox.network.strictAllowlist` setting to deny non-allowlisted hosts for sandboxed commands without prompting - Added `DirectoryAdded` hook that fires after `/add-dir` or the SDK `register_repo_root` control request registers a new working directory mid-session - Added `mcp_server_errors` to the headless stream-json init event, listing `--mcp-config` entries skipped by confi

发布时间：—

抓取时间：2026-09-07 03:46

来源机构：Anthropic