Claude Code v2.1.290 Adds Managed Agents Onboarding, Attach/Logs Commands and Proxy Fixes
ashwin-ant · ghdev · 2026-10-06
Claude Code released v2.1.290 with notable changes:
- serverToolUses exposed in a mod's turn.step hook results; agentId added to plugin tool.check events to distinguish subagent permission checks
- New claude attach <name> and claude logs <name> commands; partial session names work in place of ids
- New /claude-api managed-agents-onboard command to spin up Managed Agents patterns from ant apply files or Console quickstart templates like deep-researcher
- A Deny button on the gateway sign-in approval page ends pending sign-ins within seconds
- Fixes for proxy/beta-header request failures, long sessions with hundreds of images getting stuck, and output-filter aborts mid-thinking (now retried once)
- Warnings for managed settings symlink escapes and ignored sandbox allowRead paths
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