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- #3754 · anwithk opened
on May 8, 2026
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[feature] Lift the expert-LoRA refusals for DoRA, shared-outer adapters, expert dropout, and grouped-adapter weight merge
featureNew capabilities, enhancements, or enablement workNew capabilities, enhancements, or enablement workneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5636 In NVIDIA-NeMo/Megatron-Bridge;[bug] Expert LoRA computes wrong deltas and gradients at expert_tensor_parallel_size > 1 (and at TP > 1 under moe_shared_expert_overlap)
bugSomething isn't workingSomething isn't workingneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5634 In NVIDIA-NeMo/Megatron-Bridge;[bug] Mistral YaRN rope scaling crashes provider_bridge: MistralModelProvider has no scale_factor field
area:modelModel implementations and HF bridge logicModel implementations and HF bridge logicbugSomething isn't workingSomething isn't workingneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5627 In NVIDIA-NeMo/Megatron-Bridge;[bug] Energon validation set is shuffled and never resets — validation loss is not reproducible
area:dataDataset builders, preprocessing, and samplersDataset builders, preprocessing, and samplersbugSomething isn't workingSomething isn't workingneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5626 In NVIDIA-NeMo/Megatron-Bridge;[model] Add Ling 3.0 Tiny and Flash checkpoint conversion support
area:modelModel implementations and HF bridge logicModel implementations and HF bridge logicfeatureNew capabilities, enhancements, or enablement workNew capabilities, enhancements, or enablement workneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5602 In NVIDIA-NeMo/Megatron-Bridge;[bug] nonlearnable params exist on different device than learnable parameters
area:trainingTraining loop, callbacks, and runtime integrationTraining loop, callbacks, and runtime integrationbugSomething isn't workingSomething isn't workingwaiting-on-customerWaiting on the original author to respondWaiting on the original author to respondStatus: Open.#5574 In NVIDIA-NeMo/Megatron-Bridge;PoR: [model] tracking: GLM-5.2 production training qualification
area:ckptCheckpoint conversion, loading, export, and save pathsCheckpoint conversion, loading, export, and save pathsarea:modelModel implementations and HF bridge logicModel implementations and HF bridge logicarea:perfPerformance optimizations and benchmarkingPerformance optimizations and benchmarkingarea:recipeTraining recipes and launch configsTraining recipes and launch configsarea:trainingTraining loop, callbacks, and runtime integrationTraining loop, callbacks, and runtime integrationfeatureNew capabilities, enhancements, or enablement workNew capabilities, enhancements, or enablement workPoRPlan of record item for roadmap and release trackingPlan of record item for roadmap and release trackingtrackingTracking issue for an ongoing project with smaller stepsTracking issue for an ongoing project with smaller stepsStatus: Open.#5476 In NVIDIA-NeMo/Megatron-Bridge;[bug] MiniMax-M3 EP32 inference produces step-0 NaN logits with all-to-all
area:modelModel implementations and HF bridge logicModel implementations and HF bridge logicblockedWork cannot move forward until an external dependency is clearedWork cannot move forward until an external dependency is clearedbugSomething isn't workingSomething isn't workingStatus: Open.#5462 In NVIDIA-NeMo/Megatron-Bridge;[feature] Integrate Megatron-Core Generalized Tensor Parallelism (GTP)
area:trainingTraining loop, callbacks, and runtime integrationTraining loop, callbacks, and runtime integrationfeatureNew capabilities, enhancements, or enablement workNew capabilities, enhancements, or enablement workneeds-triageNew item needs classification and ownershipNew item needs classification and ownershipStatus: Open.#5434 In NVIDIA-NeMo/Megatron-Bridge;[bug] BF16 sequence parallelism causes significant gradient norm drift with TP=4 on H200
area:trainingTraining loop, callbacks, and runtime integrationTraining loop, callbacks, and runtime integrationbugSomething isn't workingSomething isn't workingwaiting-on-maintainersWaiting on maintainers to respondWaiting on maintainers to respondStatus: Open.#5411 In NVIDIA-NeMo/Megatron-Bridge;[bug] Warmup LR is one step behind: OptimizerParamScheduler not advanced before the first optimizer step
area:trainingTraining loop, callbacks, and runtime integrationTraining loop, callbacks, and runtime integrationbugSomething isn't workingSomething isn't workingwaiting-on-maintainersWaiting on maintainers to respondWaiting on maintainers to respondStatus: Open.#5399 In NVIDIA-NeMo/Megatron-Bridge;[Tracking] Simplify Bridge conversion/modeling for standalone installation and RL integrations
area:ckptCheckpoint conversion, loading, export, and save pathsCheckpoint conversion, loading, export, and save pathsfeatureNew capabilities, enhancements, or enablement workNew capabilities, enhancements, or enablement worktrackingTracking issue for an ongoing project with smaller stepsTracking issue for an ongoing project with smaller stepsStatus: Open.#5371 In NVIDIA-NeMo/Megatron-Bridge;