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Commits on Jul 29, 2026

• [rollout, vllm, hardware]fix: add IPC check before invoking ipc_collect in BucketedWeightReceiver (#7184)

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  kahlun

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• [vllm] chore: remove unused get_device_uuid from vllm rollout (#7189)

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  aoshen02

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  claude

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• [veomni] feat: EP-aware sharded delta export (fused expert stacks) (#7085)

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• [vllm] refactor: clean up weight sync (#7179)

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  wuxibin89

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Commits on Jul 28, 2026

• Revert "[megatron] fix: Qwen3.5 LoRA & MTP support (with Megatron-Bridge) (#5599)" (#7173)

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  wuxibin89

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Commits on Jul 27, 2026

• [fsdp] refactor: move unfuse_moe_params to FSDP backend (#7161)

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  wuxibin89

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• [rollout] fix: TypeError merging numpy routed_experts on partial rollout resume (#7158)

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  Begunner

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Commits on Jul 25, 2026

• [ckpt, fsdp] feat: sharded delta block placements + backend-owned HF export (engine core + FSDP) (#7144)

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  ChangyiYang

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  claude

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Commits on Jul 24, 2026

• [sglang] fix: use _base guard in _compact_for_bucket to prevent NCCL buffer race (#7139)

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  zpltys

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• [recipe] feat: Retain model output from tinker forward backward (#7109)

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  wyettzeng

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  huaye.zeng

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Commits on Jul 23, 2026

• [rollout, hardware] fix: fix rollout replica.py for device abstraction (#7128)

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  kahlun

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Commits on Jul 22, 2026

• [fsdp, perf] feat: defer gradient sync during accumulation (#7095)

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  zhangxin81

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  codex

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Commits on Jul 21, 2026

• [perf] feat: re-support torch profiler and optimize output naming (#7099)

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  ETOgaosion

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• [veomni, fsdp] fix: skip manual model.to(device) under FSDP2 CPU offload (#7103)

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  cben484

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• [megatron] fix: Qwen3.5 LoRA & MTP support (with Megatron-Bridge) (#5599)

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  HollowMan6

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Commits on Jul 20, 2026

• [model, fsdp] fix: support Qwen3.5 linear attention under Ulysses SP (#6660)

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  sunnweiwei

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  wuxibin89

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• [fully_async] feat: support dynamic resource scheduling (#6556)

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  zpltys

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  zhangshuai122

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Commits on Jul 16, 2026

• [ckpt,rollout] feat: sharded delta weight sync over NCCL for disaggregated rollout (#6974)

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  3 peopleauthored
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Commits on Jul 15, 2026

• [ci] chore: remove vllm_ascend patch and fix ci (#7042)

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  wucong25

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• [fsdp] fix: sync merged LoRA weights before context exit (#7014)

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  rongkunxue

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  codex

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• [tool] feat: verl add rl insight (#6680)

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  mengchengTang

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Commits on Jul 14, 2026

• [rollout, vllm] fix: stop the policy from sampling vision placeholder tokens (#7038)

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  zhshj0110

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• [megatron] feat: support DeepSeek V4 GRPO (#6473)

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  HollowMan6

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Commits on Jul 13, 2026

• [rollout] fix: disable vLLM multimodal processor cache for vLLM < v0.22.0 (#6932)

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  lxb007981

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• [megatron] fix: return 3-tuple under calculate_per_token_loss to fix MoE aux/z-loss grad blowup at CP>1 (#6836)

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  EricMarcus-ai

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  gemini-code-assist[bot]

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Commits on Jul 10, 2026

• [fsdp] fix: skip the whole-shard staging round trip in FSDP2 weight export (#7005)

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  ChangyiYang

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Commits on Jul 9, 2026

• [veomni] fix: use default moe param handler (#6993)

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  wuxibin89

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• [BREAKING][megatron] chore: deprecate vanilla mBridge and make Megatron Bridge default (#6951)

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  HollowMan6

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• [fsdp] fix: drop per-micro-batch model_output in training to fix actor-update OOM (#6984)

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  ChangyiYang

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  claude

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Commits on Jul 8, 2026

• [rollout] feat: vLLM Prefill-Decode disaggregated rollout (NIXL + Mooncake wiring) (#6243)

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Commits on Jul 7, 2026

• [algo] fix: normalize critic value loss over the global mini-batch, not per micro-batch (#6957)

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  abtonmoy

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• [vllm, rollout] fix: require vLLM>=0.22.0 for Qwen3.5 router replay (R3) (#6922)

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  dafu-wu

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• [trainer] fix: spmd_types and activation checkpointing composability bug (#6950)

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  acisseJZhong

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Commits on Jul 6, 2026

• [fsdp] fix: FSDP logits temperature scaling for view tensors (#6935)

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  zjchenn

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• [vllm, rollout] fix: handle non-contiguous weights in bucketed transfer (#6919)

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  Mecoli1219

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