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1. Commits on May 6, 2026

   • add run script

     sox8502

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2. Commits on May 2, 2026

   • [bug] Fix LoRA disk reloading and sleep issues (#1606)

     hao-aaron

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3. Commits on May 1, 2026

   • [bug] Fix `AttributeError` on `MambaLayer` in `freeze_moe_router` (#1608)

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     SumanthRH

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4. Commits on Apr 30, 2026

   • [qoc][workers] Unify offload/onload methods across roles and backend (#1602)

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     CharlieFRuan

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   • [cleanup] Remove NCCL_CUMEM_ENABLE=0 from `prepare_runtime_environment` (#1600)

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     erictang000

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   • [qoc][worker] Deduplicate checkpoint and lr methods (#1598)

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     CharlieFRuan

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   • [qoc][trainer] Remove dead code in workers (#1595)

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     CharlieFRuan

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5. Commits on Apr 29, 2026

   • [qoc] Remove dead code XXXWorkerBase.barrier() (#1594)

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     CharlieFRuan

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   • [harbor] Use old inference codepath for harbor (#1593)

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     CharlieFRuan

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   • [qoc][trainer] Remove unused PPORayActorGroup and Dispatch methods (#1588)

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     CharlieFRuan

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   • [CI] Reorg Megatron metadata consistency test (#1587)

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     SumanthRH

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   • [fix][train] Fix weight metadata handling for Megatron backend with native vLLM weight sync (#1581)

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     SumanthRH

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   • [bug][tinker] Fix data_parallel_size > 1 in SkyRLTrainBackend (#1580)

     SumanthRH

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   • [deps] Bump megatron-bridge to latest (#1586)

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     erictang000

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6. Commits on Apr 28, 2026

   • [qoc][trainer] Use WorkerDispatch instead of `policy_model` for weight sync (#1584)

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     CharlieFRuan

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   • [ci] skip megatron deps for non-megatron CI, disable sample packing for MLA on L4 (#1585)

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     erictang000

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   • [tinker] add `/api/v1/client/config` POST endpoint (#1578)

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     erictang000

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   • [ci] Add CI for supported models for megatron backend, and add supported model page to docs (#1508)

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     erictang000

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7. Commits on Apr 27, 2026

   • added log_example_interval (#1522)

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     agolajko

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     erictang000

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8. Commits on Apr 25, 2026

   • [train] LoRA-only weight syncing for Megatron (#1360)

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     hao-aaron

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     SumanthRH

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9. Commits on Apr 24, 2026

   • [tinker] Support PPO loss with Tinker and add critic model in SkyRLTrainBackend (#1389)

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     tamoghnokandar

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     Tamoghno Kandar

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   • [tinker] Make it clear that a snapshot with persist=false is a marker (#1565)

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     pcmoritz

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   • [bug] Fix megatron LoRA with new inference codepath (#1572)

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     SumanthRH

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   • [feat][megatron] Add freeze_moe_router config to skip router parameters (#1570)

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     SumanthRH

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     claude

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   • [skyrl][tinker] Multi-modal Tinker Sampling (#1484)

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     nithinvc

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10. Commits on Apr 23, 2026

    • [tinker] Fix single request batching in TinkerEngine (#1489)

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      pcmoritz

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    • [docs][example] LoRA config for Geometry3k (#1569)

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      nithinvc

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      gemini-code-assist[bot]

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    • [harbor][step-wise] Make Harbor use step-wise training (#1542)

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      CharlieFRuan

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    • [chore] Redirect output to infrastructure logs for `VLLMServerActor` (#1563)

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      SumanthRH

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    • [chore] Update `skyrl` and `skyrl-gym` versions after `0.2.0` release (#1562)

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      SumanthRH

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    • [harbor] support trajectory-based agents and OpenHands (#1184) (#1548)

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      arteemg

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11. Commits on Apr 22, 2026

    • [train] Support packing for CUDA IPC transfer with new inference codepath (#1557)

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      SumanthRH

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    • [bug] Fix failing CPU tests after #1544 (#1555)

      SumanthRH

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    • [bug][tinker] Fix `vLLMRouter` init in `SkyRLTrainBackend` (#1551)

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      SumanthRH

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12. Commits on Apr 21, 2026

    • [tinker] Fix optimizer offload in SkyRL train backend after weight sync (#1550)

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      SumanthRH

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