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Claude Code 2.1.319

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Claude Code 2.1.319 adds support for background MCP tasks, new environment variables for auto-mode server checks, and a setting to deny tool calls that require permission prompts.

Coding agentsMCP

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Also shipped Nov 6, 2026Anthropic in November 2026 →

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Claude Code 2.1.318

Claude Code 2.1.318 adds session answer recording, AWS role assumption for cost attribution, and improved credential expiration reporting.

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Claude Code 2.1.317

- Added a warning to /schedule when a new cloud scheduled task gets connectors you did not ask for, with how to remove them Added a check that asks before a web or shell tool call sends your account email address to the network Added onFailure: "block" for Agent SDK hook callbacks, so a callback that fails blocks the action instead of letting it run Added a...

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Claude Code 2.1.316

This update adds pooled group budgets, configurable subagent effort levels, and new guardrail tagging for Bedrock upstreams. Fast mode for Opus 4.8 is deprecated and scheduled for removal on November 30, 2026.

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Claude Code 2.1.314

Claude Code 2.1.314 adds write permissions for working directories, group-based upstream routing, and idle conversation compaction for VS Code and Claude Desktop.

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Claude Code 2.1.312

Claude Code 2.1.312 adds OIDC user ID claim support for the gateway and improves terminal interaction by allowing users to send queued messages via click. It also includes several bug fixes for session management, file reading, and command execution.

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Claude Code 2.1.311

Claude Code 2.1.311 includes fixes for session freezes, MCP tool integration, and improved context management for long conversations.

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Claude Code 2.1.310

Claude Code 2.1.310 adds a monitor tool, improves error handling for gateway requests, and fixes various file management and permission issues.

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