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Commits on Jun 26, 2026

• fix: attention_mask=None for packed batches (transformers 5.x compat)

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• fix: sglang 0.5.11+ compat — Scheduler.ps.tp_rank instead of .tp_rank

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• fix: compat shim for sglang 0.5.14 configure_scheduler rename

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Commits on Jun 25, 2026

• fix(CI): fix vlm_grpo CI OOM bug (#1438)

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  sitabulaixizawaluduo

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Commits on Jun 23, 2026

• feat(ppo): add CISPO loss surrogate (MiniMax-M1) (#1412)

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  EazyReal

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• feat(megatron): make MTP head opt-in to support Qwen3.6 MoE RL (#1403)

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  Adiactive

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• fix(reward): guard clevr_count_70k_reward_fn against scoring failures (#1430)

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  EazyReal

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• fix: only subtract in-range excluded ports in find_free_ports (#1436)

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  EazyReal

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• feat: disable megatron grad buffers CPU backup to save host memory (#1393)

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  HT-Yuan

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• fix(awex): allow disabling batch_send_recv use_group via AWEX_WU_USE_GROUP (#1414)

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  sitabulaixizawaluduo

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• fix(vllm): forward frequency_penalty and stop in generation requests (#1429)

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  EazyReal

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Commits on Jun 22, 2026

• docs: add IcePop/KPop feature introduction (#1424)

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Commits on Jun 19, 2026

• fix: per-sample version tracking with loss_mask filter and multi-turn… (#1408)

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  pyq623

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Commits on Jun 15, 2026

• Supporting features for IcePop and KPop (#1405)

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  guojiapub

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• docs: add community section with WeChat QR code to README 📢 (#1409)

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Commits on Jun 11, 2026

• fix(engine): default shard_ids=None on clear_batches across all engines (#1402)

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Commits on Jun 10, 2026

• fix(v2/awex): unblock weight-update bring-up (#1401)

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  sitabulaixizawaluduo

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Commits on Jun 9, 2026

• Fix LoRA model training (#1385)

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Commits on Jun 8, 2026

• docs(roadmap): add 2026 Q2 and H2 milestones (#1390)

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  sitabulaixizawaluduo

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• feat(distillation): add on-policy distillation using RolloutEngine (#1376)

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• feat(megatron): Qwen3.5 dense + MoE training/inference support via megatron-bridge (#1384)

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Commits on Jun 5, 2026

• chore: migrate community governance files to external repository 📋 (#1386)

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• fix: localize RTensor trajectories before reading on controller (#1387)

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  sitabulaixizawaluduo

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Commits on Jun 2, 2026

• fix(trainer): skip controller-side CUDA sync in single-controller mode (#1377)

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Commits on May 29, 2026

• feat:enable v2 training pipeline with controller parity (#1363)

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  sitabulaixizawaluduo

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Commits on May 28, 2026

• fix: Propose fix some typos (#1352)

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  jeis4wpi

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• chore: add 0516 community meeting materials and update agenda for the next biweekly sync (#1371)

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  sitabulaixizawaluduo

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Commits on May 27, 2026

• fix(fsdp): maintain fp32 master weights for AdamW (#1292) (#1369)

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Commits on May 26, 2026

• feat: controller v2 refactor (#1354)

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  sitabulaixizawaluduo

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• feat(megatron): implement async_save with AsyncCallsQueue (#1355) (#1356)

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Commits on May 23, 2026

• refactor(infra): backport rl3 infra cleanup (#1353)

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Commits on May 21, 2026

• fix(test): add missing colocate field to wu_controller connect tests (#1357)

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Commits on May 20, 2026

• fix(infra): correct staleness capacity inflation after recovery (#1345)

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  daihaowz

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  fenghui

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• feat(awex): add colocated CUDA IPC weight transfer (#1310)

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Commits on May 18, 2026

• fix(utils): mask 2d sequence advantages (#1346)

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