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ByteDance Seed and Tsinghua open-source DAPO for scalable LLM RL

ByteDance Seed and Tsinghua AIR open-sourced DAPO (Decoupled Clip and Dynamic Sampling Policy Optimization): algorithm, verl training stack, DAPO-Math-17k, and Qwen2.5-32B weights. Trained from scratch, DAPO-Qwen-32B hit 50% on AIME 2024 with about half the steps of DeepSeek-R1-Zero-Qwen-32B.

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Positron adds an experimental MCP server so Claude Code, Codex and other agents can use your live R and Python sessions

In Positron 2026.10, turning on the MCP: Enabled setting lets agents like Claude Code, Codex, OpenCode, Kiro, Gemini and Copilot CLI see your loaded data, plots and consoles and run code there, labeled with the agent's name. Posit warns that this amounts to unrestricted shell access under your credentials, so trust decisions fall to your agent harness…

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