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Qwen Code v0.21.11 Added Read-Only Teammate Agents via a New /coordinate Command
`QwenLM/qwen-code` (26,966 stars, TypeScript) released v0.21.11 on 2026-08-13 (with v0.21.12-preview.1 following hours later), headlined by native multi-agent workflows through `/coordinate`, which spawns read-only teammates (#8804). The read-only constraint is the design choice worth copying — parallel agents that can inspect but not write sidestep the write-conflict problem that otherwise forces worktree isolation. It also adds Agent Plugins v1 support (#8834), OpenTelemetry session.start/session.end lifecycle events (#8616), bounded daemon ACP NDJSON buffers (#8911), and a fix for DashScope Qwen 3.8 request failures caused by conflicting reasoning settings (#8525).
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