Claude Code v2.1.233 发布：支持 GitLab Merge Request、用户身份转发与 Linux 内存限制

更新内容

• 为 --worktree 参数和 claude agents 视图新增 GitLab Merge Request URL 支持（MR 在视图中显示为 !N）
• 在 Anthropic 上游新增可选的 forward_user_identity 应用网关设置，将已登录用户的身份作为请求头发送，使网关后方的代理能够按用户归因支出
• 为 Linux 上的 Bash 工具命令新增可选的内存 cgroup 支持（CLAUDE_CODE_TOOL_MEMORY_LIMIT），避免失控的构建任务拖慢整个会话
• 新增 CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS 环境变量，用于配置 WebFetch 会话 URL 缓存的 TTL（默认值保持不变：15 分钟）
• 修复了当 Claude 正在等待权限提示、而运行环境关闭时，云端会话偶尔被标记为丢失的问题
• 修复了 MCP v2 连接针对以固定超时终止长时间持有流的服务器（例如无服务器托管环境）不断重新打开 subscriptions/listen 流的问题
• 修复了在 Claude Desktop 或 VS Code 中运行时，权限提示未触发 Notification 钩子的问题
• 修复了启用沙箱后，Linux 上的空闲会话有时会持续让一个 CPU 核心保持 100% 占用的问题
• 修复了当用户或项目技能覆盖内置技能时，/checkup、/review 等内置技能别名在 -p 模式下或加载插件/MCP 时报告“Unknown command”的问题
• 修复了技能/命令参数替换逻辑，防止参数值被再次扩展为模板标记
• 修复了使用 NT \??\ 设备前缀拼写的 Windows 路径可绕过 UNC 路径验证的问题，堵住了一个 NTLM 凭据泄露风险
• 改进 claude self-hosted-runner 的会话启动速度：现在创建会话分支时无需重写工作树，且不再由两次服务器往返阻塞 Agent 启动
• 改进应用网关错误转发：来自 Vertex、Foundry 以及 AWS 上 Claude Platform 上游的 400/413 错误现在会携带上游自身的错误消息；同时修复了应用网关中的自动压缩（auto-compact）问题
• 改进 claude plugin validate，使其能够检查独立的 .claude/skills 目录，并报告 frontmatter 解析失败的 SKILL.md 文件
• 改进屏幕阅读器模式：/effort 选择器现在以带编号的列表和数字输入提示呈现，提示文本与对话框文本不再被截断
• 改进打印模式诊断：当请求发送给 Claude Code 无法识别的模型 ID 时，会向 stderr 写入 [claude-code:unrecognized_model] 行；可使用 modelOverrides 进行映射以消除此提示
• 调整 GitHub 应用设置提示：当仓库的 origin 远程地址位于 gitlab.com 或 bitbucket.org 时，不再显示该提示；企业市场提示现在覆盖非 GitHub 的内部 Git 托管服务
• Todo/任务跟踪工具（TaskCreate/Get/Update/List、TodoWrite）不再适用于 Opus 4.8、Sonnet 5、Fable 5、Mythos 5 及更高版本模型；设置 CLAUDE_CODE_ENABLE_TODO_TOOLS=1 可重新启用
• Windows：修复自动模式对普通 cd <dir> && <command> > file Bash 命令反复停止并要求手动批准的问题（这是 2.1.232 版本引入的回归）
• 撤回 2.1.232 中针对 Windows Cygwin 风格符号链接和输入重定向（< file）的 Bash 权限变更；范围更精确的版本将在后续版本中回归

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2. v2.1.233

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What's changed

• Added GitLab merge request URL support to the --worktree flag and the claude agents view (where MRs display as !N)
• Added an opt-in forward_user_identity apps gateway setting on Anthropic upstreams that sends the signed-in user's identity as headers, so a proxy behind the gateway can attribute spend per user
• Added opt-in memory cgroup support for Bash tool commands on Linux (CLAUDE_CODE_TOOL_MEMORY_LIMIT) so a runaway build can't stall the session
• Added CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS environment variable to configure the WebFetch session URL cache TTL (default unchanged: 15 minutes)
• Fixed cloud sessions occasionally being marked as lost when the environment shut down while Claude was waiting on a permission prompt
• Fixed MCP v2 connections endlessly reopening the subscriptions/listen stream against servers that terminate long-held streams on a fixed timeout (e.g. serverless hosts)
• Fixed Notification hooks not firing for permission prompts when running under Claude Desktop or VS Code
• Fixed idle sessions on Linux sometimes keeping one CPU core at 100% when sandboxing is enabled
• Fixed bundled skill aliases like /checkup and /review reporting "Unknown command" in -p mode or with plugins/MCP loaded when a user or project skill shadows the bundled skill
• Fixed skill/command argument substitution to prevent argument values from being re-expanded as template markers
• Fixed Windows paths spelled with the NT \??\ device prefix bypassing UNC path validation, closing an NTLM credential-leak vector
• Improved claude self-hosted-runner session start time: the session branch is now created without rewriting the working tree, and two server round trips no longer block the agent's launch
• Improved apps gateway error forwarding: 400/413 errors from Vertex, Foundry, and Claude Platform on AWS upstreams now carry the upstream's own message; fixes a bug with auto-compact on apps gateway
• Improved claude plugin validate to check a bare .claude/skills directory, reporting SKILL.md files whose frontmatter fails to parse
• Improved screen reader mode: the /effort selector renders as a numbered list with a typed-number prompt, and hint and dialog text is no longer clipped
• Improved print mode diagnostics: a [claude-code:unrecognized_model] line is written to stderr when a request goes out for a model ID Claude Code doesn't recognize; map it with modelOverrides to silence
• Changed the GitHub app setup tip to no longer appear in repositories whose origin remote is on gitlab.com or bitbucket.org; the enterprise marketplace tip now covers non-GitHub internal git hosts
• Todo/task-tracking tools (TaskCreate/Get/Update/List, TodoWrite) are no longer available on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and newer models; set CLAUDE_CODE_ENABLE_TODO_TOOLS=1 to bring them back
• Windows: fixed auto mode repeatedly stopping for manual approval on ordinary cd <dir> && <command> > file Bash commands (a 2.1.232 regression)
• Reverted the 2.1.232 Bash permission changes for Cygwin-style symlinks on Windows and for input redirections (< file); a narrower version will return in a later release

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