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Claude Code

Anthropic’s terminal-native coding agent and developer workflow tool.

GitHub releasesLast checked: Sep 17, 2026Refreshes daily
v2.1.274Latest

v2.1.274

English explanation

Claude Code v2.1.274 focuses on model selection, reasoning, or inference behavior, developer workflow and CLI productivity, memory, context handling, or conversation state. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.274 主要涉及模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力、记忆、上下文处理或会话状态。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added a visible warning when memory usage is critical, with steps to free memory or restart safely
  • Added `CLAUDE_CODE_MCP_STARTUP_WAIT_MS` to bound how long the first non-interactive turn waits for connecting MCP servers (`0` = don't wait)
  • Added `effort` attribute to the `claude_code.llm_request` OpenTelemetry trace span, matching the `api_request` event
  • Added `claude_code.managed_settings_resolved` OTel event: managed-settings sources and policy helper state; redacted settings and digests with `OTEL_LOG_MANAGED_SETTINGS=1`
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v2.1.273

v2.1.273

English explanation

Claude Code v2.1.273 focuses on security, authentication, or permission flow changes, model selection, reasoning, or inference behavior, developer workflow and CLI productivity. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.273 主要涉及安全、登录认证或权限流程变化、模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added a notification when an MCP server disconnects mid-session and automatic reconnection gives up, pointing at `/mcp`
  • Added forking a session started with `claude --remote-control` or `/remote-control` from the Claude app; the fork runs as a background session on your computer
  • Fixed Bash commands the permission checker cannot fully analyze skipping the prompt under `permissions.blockReadsOutsideWorkingDirectories`, and a subshell hiding a dangerous `rm` in bypass mode
  • Fixed skills synced from claude.ai staying available after your organization turns Skills off; they now move to the recoverable trash
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v2.1.272

v2.1.272

English explanation

Claude Code v2.1.272 focuses on bug fixes, stability, or performance work. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.272 主要涉及缺陷修复、稳定性或性能优化。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Bug fixes and reliability improvements
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v2.1.271

v2.1.271

English explanation

Claude Code v2.1.271 focuses on model selection, reasoning, or inference behavior, developer workflow and CLI productivity, integrations, APIs, connectors, or MCP support. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.271 主要涉及模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力、集成、API、连接器或 MCP 支持。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added fast mode in Claude Code Remote sessions (cloud and self-hosted runners): the host's fast-mode setting or `/fast` typed in the session applies where your organization allows it
  • Added mouse support to the `/config` panel in fullscreen mode: the wheel scrolls the settings list, a click on a setting's value changes it, and the row under the pointer is highlighted
  • Added `claude self-hosted-runner --drain-marker-file <path>`: when that file exists at a SIGTERM drain, the runner reports its exit to the server as a host drain (telemetry only)
  • Added per-command `allowed_domains` to Bash, PowerShell and Monitor in auto mode with sandboxing: the hosts a command needs are reviewed with it and opened for it alone; other hosts are refused
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v2.1.270

v2.1.270

English explanation

Claude Code v2.1.270 focuses on security, authentication, or permission flow changes, developer workflow and CLI productivity, bug fixes, stability, or performance work. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.270 主要涉及安全、登录认证或权限流程变化、开发者工作流与 CLI 生产力、缺陷修复、稳定性或性能优化。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Fixed read-only git commands in Bash unexpectedly asking for permission after a session had been running for a while (regression in 2.1.269)
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v2.1.269

v2.1.269

English explanation

Claude Code v2.1.269 focuses on model selection, reasoning, or inference behavior, developer workflow and CLI productivity, memory, context handling, or conversation state. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.269 主要涉及模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力、记忆、上下文处理或会话状态。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added `claude plugin eval`: run a plugin's eval suite against Claude Code and get scored, reproducible results (JSON + HTML report); see `claude plugin eval --help`
  • Added `/output-style [name]` to list and switch output styles, including over Remote Control and in cloud and other headless sessions
  • Added a diff of the files a Bash command changed to the Bash tool result when the Bash tool handles file edits (setting `bashEditDiffEnabled`)
  • Added `OTEL_METRICS_INCLUDE_REPOSITORY` to tag OpenTelemetry metrics and events with `vcs.*` repository attributes; commit events get `vcs.ref.head.*` with `OTEL_LOG_TOOL_DETAILS`
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v2.1.268

v2.1.268

English explanation

Claude Code v2.1.268 focuses on security, authentication, or permission flow changes, model selection, reasoning, or inference behavior, developer workflow and CLI productivity. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.268 主要涉及安全、登录认证或权限流程变化、模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added to the Claude apps gateway: with `pricing:` set in `gateway.yaml`, signed-in Claude Code clients receive the same rates through managed settings, so `/cost` and telemetry match the spend meter
  • Added a startup warning for gateways when `access_control.allow_cidrs` is empty, and a one-time warning the first time a request arrives from a public address
  • Added the `gatewayInternalNetworks` managed setting, letting administrators allow `/login` to a Claude apps gateway on their organization's own public IPv4 block
  • Added `claude self-hosted-runner --remove-session-state` (default off): delete each session's per-session directories under `<base-dir>/_sessions/` when the session ends
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v2.1.267

v2.1.267

English explanation

Claude Code v2.1.267 focuses on security, authentication, or permission flow changes, model selection, reasoning, or inference behavior, developer workflow and CLI productivity. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

中文解释

Claude Code v2.1.267 主要涉及安全、登录认证或权限流程变化、模型选择、推理能力或调用行为、开发者工作流与 CLI 生产力。对关注 AI Agent 工具链和生产工作流的团队来说，这条更新能作为产品方向信号。

Official highlights

  • Added `maxEffortLevel` setting (top-level or per model under `modelSettings`): caps the effort level on every provider, including Bedrock, Vertex and Foundry; users can still pick a lower level
  • Added `--system-prompt-snapshot off` to render the system prompt fresh on every request instead of reusing the conversation's recorded prompt (for iterating on prompt text)
  • Fixed Cowork scheduled tasks in the cloud failing at startup for organizations whose managed settings require sandboxing
  • Fixed `/context` and other local command output rendering blank on mobile clients
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