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Pull requests: NVIDIA-NeMo/Megatron-Bridge
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perf(llama): default B300/B200 pretrain recipes + auto-disable PCT fo…
#3618
opened May 1, 2026 by
rsalagame-nvidia
Contributor
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perf(llama): default B300/B200 pretrain recipes + auto-disable PCT fo…
#3617
opened May 1, 2026 by
rsalagame-nvidia
Contributor
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[vulnops][data] fix: Replace allow_pickle=True with restricted unpickler in packed dataset loading
area:data
Dataset builders, preprocessing, and samplers
bug
Something isn't working
#3616
opened May 1, 2026 by
chtruong814
Contributor
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2 tasks
cp:
[vulnops][data] fix: Remove unnecessary allow_pickle=True and add security warnings (3141) into r0.4.0
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#3615
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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[perf] update: switch GPT-OSS B200 V2 dispatcher default to alltoall
26.04.01
area:perf
Performance optimizations and benchmarking
performance/release
Performance items related with NeMo release
performance
r0.4.0
Auto-cherrypick to release branch. Apply before merge; cherrypick happens after merge.
#3614
opened Apr 30, 2026 by
salberdi-nvidia
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5 tasks
[PEFT, ckpts] feat: modelopt for LoRA & deepseek arch
#3612
opened Apr 30, 2026 by
HollowMan6
Collaborator
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2 of 5 tasks
add mistral common to deps and lower bound transformers to 5.5
full-test-suite
#3609
opened Apr 30, 2026 by
suiyoubi
Contributor
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5 tasks
cp:
fix(docker): resolve lightning not found on PyPI by providing local stub (3604) into r0.4.0
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#3606
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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cp:
num_layers_fix- qwen vl 235b_a22b on B200 (3589) into r0.4.0
cherry-pick
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#3603
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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cp:
add VP for LoRA Lm3 70B (3547) into r0.4.0
cherry-pick
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#3596
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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chore(beep boop 🤖): Bump
uv.lock (main, mcore-dev) (2026-04-30)
full-test-suite
#3593
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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chore(beep boop 🤖): Bump
uv.lock (r0.4.0, mcore-core_r0.17.0) (2026-04-30)
full-test-suite
#3591
opened Apr 30, 2026 by
svcnvidia-nemo-ci
Contributor
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[peft] feat: validate PEFT target modules with deferred init
waiting-on-customer
Waiting on the original author to respond
#3587
opened Apr 29, 2026 by
cuichenx
Contributor
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3 tasks
[model] feat: support step3vl
area:model
Model implementations and HF bridge logic
feature
New capabilities, enhancements, or enablement work
#3574
opened Apr 29, 2026 by
shifangx
Contributor
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5 tasks
Reverted part of the code changes in pr2334
area:model
Model implementations and HF bridge logic
bug
Something isn't working
model-qwen
needs-more-tests
Requires additional L0 and L1 test coverage before merge
ready-to-merge
PR is approved, current, and only waiting for CI to pass before merge
#3571
opened Apr 29, 2026 by
shifangx
Contributor
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5 tasks
chore(beep boop 🤖): Bump
uv.lock (r0.4.0, mcore-core_r0.17.0) (2026-04-29)
full-test-suite
#3568
opened Apr 29, 2026 by
svcnvidia-nemo-ci
Contributor
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chore(beep boop 🤖): Bump
uv.lock (r0.4.0, mcore-core_r0.17.0) (2026-04-28)
full-test-suite
#3548
opened Apr 28, 2026 by
svcnvidia-nemo-ci
Contributor
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Perf Config for 1 node GB200 DSV3
area:perf
Performance optimizations and benchmarking
area:recipe
Training recipes and launch configs
feature
New capabilities, enhancements, or enablement work
#3545
opened Apr 27, 2026 by
gautham-kollu
Contributor
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5 tasks
feat: add deterministic training support
#3543
opened Apr 27, 2026 by
ZhiyuLi-Nvidia
Contributor
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Draft
5 tasks
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