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The Claude Code Changelog · July 29 · 4 min

Claude Code 2.1.219: Nested Subagent Streaming Unlocked

We break down how Claude Code v2.1.219 finally exposes nested subagent activity in headless mode, making it easier to debug streaming text, thinking blocks, and tool events in real time. The episode also covers new JSON fields, MCP init error reporting, and practical guardrails for keeping parser pipelines fast and costs under control.

0:00-4:37

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We break down how Claude Code v2.1.219 finally exposes nested subagent activity in headless mode, making it easier to debug streaming text, thinking blocks, and tool events in real time. The episode also covers new JSON fields, MCP init error reporting, and practical guardrails for keeping parser pipelines fast and costs under control.