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v2026.6.3

tw93/Pakev2026.6.3Jun 3, 2026by virattt

AI Summary

This release introduces a sub-agent system for parallel task execution, adds CLI progress tracking for sub-agents, and improves web fetching capabilities.

Key Highlights

  • Add `spawn_subagent` to delegate sub-tasks to isolated workers for parallel execution
  • Add CLI subagent progress UI with per-delegate status and tool-use counts
  • Improve `web_fetch` with Readability/Turndown HTML-to-markdown and HTTP caching

New Features

  • Add `spawn_subagent` for parallel task delegation
  • Add CLI subagent progress UI
  • Improve `web_fetch` with Readability/Turndown and HTTP caching

Full Release Notes

### Changes

- Add `spawn_subagent` to delegate focused sub-tasks to isolated workers (`general-purpose`, `research`, `analysis`); emit multiple calls in one turn to run independent tasks in parallel
- Add CLI subagent progress UI with per-delegate status, tool-use counts, and rolled-up activity
- Improve `web_fetch` with Readability/Turndown HTML-to-markdown, HTTP caching, and fast-model extraction from fetched pages