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Commits on Oct 31, 2025

• fix: Fixes to make Megatron backend match dtensor (#1389)

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Commits on Oct 30, 2025

• fix: support arbitrary values for `checkpointing.metric_name` (#1291)

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  terrykong

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Commits on Oct 25, 2025

• fix: append to hf_overrides rather than overwriting (#1413)

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Commits on Oct 1, 2025

• fix: fix checkpointing when `val_period` does not divide `save_period` (#1229)

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Commits on Sep 7, 2025

• fix: fix scheduler decay steps with megatron backend (#939)

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Commits on Sep 5, 2025

• feat: support drop_last=False during validation (#1029)

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Commits on Sep 3, 2025

• fix: make layernorm_epsilon configurable in with megatron backend (#1046)

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Commits on Aug 29, 2025

• fix: remove unused fp8 training args in config (#1018)

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Commits on Aug 28, 2025

• fix: [mcore] only take optimizer steps when in train mode (#1012)

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Commits on Aug 22, 2025

• test: Add Megatron tests (#713)

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  terrykong

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Commits on Aug 8, 2025

• feat: qwen3 export to HF (#873)

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  abdalgader-a

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  d73c942

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Commits on Aug 7, 2025

• feat: support DTensor CP in DPO and SFT (#798)

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Commits on Aug 6, 2025

• fix: fix grpo + mcore checkpointing without validation (#844)

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Commits on Jul 31, 2025

• docs: documentation and unit test for env var precedence (#806)

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• docs: add usage example for mcore --> hf converter (#807)

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Commits on Jul 24, 2025

• fix: guard DPO against dynamic batching and sequence packing (#730)

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Commits on Jul 18, 2025

• fix: fix lr scheduler for config that was missed in #681 (#693)

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• fix: Megatron config updates to avoid OOM (#687)

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• fix: upgrade datasets to fix squad download (#692)

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Commits on Jul 17, 2025

• fix: fix mcore LR increment (#685)

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• fix: make mcore lr scheduler configuration consistent with dtensor (#681)

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Commits on Jul 15, 2025

• test: add a unit test that verifies that the correct keys are present in configs (#587)

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Commits on Jul 14, 2025

• feat: Qwen3 support (#592)

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Commits on Jul 11, 2025

• feat: plumb environment variables to RayWorkerGroup (#631)

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  parthchadha

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Commits on Jul 9, 2025

• feat: decouple checkpointing from validation (#575)

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Commits on Jun 30, 2025

• fix: update gemma3 prefix (#585)

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• docs: move training backends section (#580)

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Commits on Jun 28, 2025

• docs: Add a note on supported backends (#553)

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Commits on Jun 27, 2025

• feat: Add megatron to hf converter (#555)

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• fix: fix overlap param gather (#561)

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• fix: add dynamic_batching key to SFT OpenMathInstruct config (#570)

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Commits on Jun 20, 2025

• feat: Enable SFT and DPO with Megatron backend (#525)

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  SahilJain314

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Commits on Jun 5, 2025

• fix: Add missing 'add_generation_prompt' key to SFT convergence tests (#484)

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Commits on May 27, 2025

• fix: only step scheduler during training (#446)

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Commits on May 15, 2025

• fix: use validation MBS to get ref policy logprobs when running validation (#363)

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