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Commits on Feb 5, 2026

• fix(datapack): use balanced greedy partition for equal DP batch splits (#898)

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• refactor(trainer): move trainer modules from experimental to areal/trainer (#896)

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• build: migrate from setuptools to uv build backend (#899)

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• docs: add proxy architecture and dataflow diagrams (#897)

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  fishcrap

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• feat(archon): add Interleaved1F1B pipeline parallel schedule support (#895)

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  Wentai Zhang

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• feat(tau2): Add Tau2 agentic RL training example with proxy server (#892)

  

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• docs: add Important Metrics to Monitor section (#894)

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• docs: add agent workflow reference and update agentic RL docs (#893)

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• docs: add checkpointing, metrics tracking, and workflow guides (#891)

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Commits on Feb 4, 2026

• feat(workflow): add Anthropic Claude SDK integration for RL training (#885)

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• fix(archon): skip output merge in PP schedule to halve memory usage (#890)

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  Wentai Zhang

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• fix(tree_attn): Fix some bugs in tree training for FSDP and Megatron engines (#889)

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• refactor(archon): consolidate and simplify test suite (#888)

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  Wentai Zhang

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• refactor: streamline CLI usage and remove unused files (#880)

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• refactor(api): deprecate AgentWorkflow inheritance requirement (#883)

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• Revert "fix(archon): enable torch.compile for attention_norm/ffn_norm" (#887)

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• fix(archon): enable torch.compile for attention_norm/ffn_norm (#886)

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  Wentai Zhang

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• docs: streamline CLI usage and reorganize tutorials (#878)

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Commits on Feb 3, 2026

• refactor(archon): extract runner and weight sync into separate modules (#882)

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  Wentai Zhang

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• testing: update GCP image for CI (#881)

  

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• feat(tree_attn): implement Triton kernel (#874)

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• feat(archon): enable PP > 1 for RL training with XCCL weight sync (#877)

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  Wentai Zhang

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• fix(scheduler): Fix SLURM scheduler `spec.image` and `spec.additional_bash_cmds` arguments. (#876)

  

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Commits on Feb 2, 2026

• chore(infra): consolidate infrastructure and add create-pr command (#875)

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• perf(tree_attn): Add lazy attention mask creation for tree training (#872)

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• chore(claude): refactor agent architecture and complete ecosystem (#873)

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  Wentai Zhang

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Commits on Jan 31, 2026

• feat(utils): add dynamic PYTHONPATH in get_env_vars (#867)

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• feat(archon): add pipeline parallelism (PP) support for Archon engine (#864)

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  Wentai Zhang

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• fix(ci): use dev image for CI testing (#870)

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• Bump v0.5.3 (#869)

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Commits on Jan 30, 2026

• chore: add Claude Code configuration for AReaL (#866)

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  Wentai Zhang

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• feat(workflow): Add LangChain agent integration for training (#865)

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• ci(docker): add DeepSeek-V3 kernels and modernize tooling (#861)

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Commits on Jan 28, 2026

• feat(fsdp): add memory_efficient_load option for large model initialization (#862)

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  Wentai Zhang

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Commits on Jan 27, 2026

• feat(archon): use meta device + DCP for memory-efficient model init (#860)

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  Wentai Zhang

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