chore: nightly sync main into dev (11_05_2026)#4739
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Co-authored-by: Antoni-Joan Solergibert <asolergibert@nvidia.com>
…al tests` (#4730) Signed-off-by: oliver könig <okoenig@nvidia.com>
Signed-off-by: oliver könig <okoenig@nvidia.com>
Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Signed-off-by: oliver könig <okoenig@nvidia.com>
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Merges 8 commits from main into dev. Dev already contains yesterday's sync (PR #4716) plus follow-up fixes, so this PR only carries main commits made after that sync. Notable changes: - 434368c build(deps): bump nvidia-modelopt to 0.43 (#4723) - e42e2fa ci: Major refactor of release-workflows (#4602) - 33d47e0 [ci] fix: treat cancelled run-main-script step as failure (#4727) - 5123f6a ci: revert bad uv.lock bump and label future bumps with Run functional tests (#4730) - ad58411 Add Python-side guardrail for DeepEP IB limits (#4719) - e93755e chore(beep boop): Bump (main) (2026-05-11) - a2ec5c1 Revert Add Python-side guardrail for HybridEP IB limit (#4718) - 5e31514 Create a Protocol for the MLP layer of TransformerLayer (#3435) Kept dev's pyproject.toml, uv.lock, docker/Dockerfile.ci.dev, and .github/CODEOWNERS (per nightly-sync skill). Ran black + isort on changed Python files.
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The merge with -X theirs took main's version for many files where dev had follow-up changes after main's squash-merge. The most common pattern was main returning partial(...) while dev returns ModuleSpec(...). Restored dev's version of: - megatron/core/extensions/transformer_engine.py (TEFusedDenseMLP class) - megatron/core/models/gpt/gpt_layer_specs.py (uses TEFusedDenseMLP) - megatron/core/models/gpt/moe_module_specs.py (returns ModuleSpec) - megatron/core/models/gpt/experimental_attention_variant_module_specs.py - megatron/core/models/gpt/heterogeneous/heterogeneous_layer_specs.py - megatron/core/models/T5/t5_spec.py - megatron/core/models/bert/bert_layer_specs.py - megatron/core/models/hybrid/hybrid_layer_specs.py - megatron/core/models/vision/vit_layer_specs.py - megatron/core/post_training/modelopt/hybrid/model_specs.py - megatron/core/transformer/mlp.py - megatron/core/transformer/moe/experts.py - megatron/core/transformer/moe/fused_a2a.py - megatron/core/transformer/moe/moe_layer.py - megatron/core/transformer/transformer_layer.py (mlp_hyper_connection field) - examples/multimodal/layer_specs.py - pretrain_vlm.py - Several tests/unit_tests/transformer/**/*.py - Several tests/unit_tests/models/**/*.py - tests/unit_tests/dist_checkpointing/models/test_mlp_glu.py - tests/functional_tests/test_cases/common/moe_perf/__main__.py
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Summary
Nightly sync of
mainintodevfor 2026-05-11.yesterday's sync PR chore: nightly sync main into dev (10_05_2026) #4716 plus follow-up fixes)
nightly-sync-main-to-devworkflowCommits merged from main
434368c81build(deps): bump nvidia-modelopt to 0.43 (build(deps): bump nvidia-modelopt to 0.43 #4723)e42e2fad9ci: Major refactor of release-workflows (ci: Major refactor of release-workflows #4602)33d47e059[ci] fix: treat cancelled run-main-script step as failure ([ci] fix: treat cancelled run-main-script step as failure #4727)5123f6a61ci: revert bad uv.lock bump and label future bumps withRun functional tests(ci: revert bad uv.lock bump and label future bumps withRun functional tests#4730)ad58411ddAdd Python-side guardrail for DeepEP IB limits (Add Python-side guardrail for DeepEP IB limits #4719)e93755e13chore(beep boop 🤖): Bump (main) (2026-05-11)a2ec5c1dfRevert "Add Python-side guardrail for HybridEP InfiniBand limit and rename seq_len" (Revert "Add Python-side guardrail for HybridEP InfiniBand limit and rename seq_len (#4094)" #4718)5e3151416Create a Protocol for the MLP layer of TransformerLayer (Create a Protocol for the MLP layer of TransformerLayer #3435)Conflict resolution
Merge ran cleanly with
-X theirs— no manual conflicts to resolve.Dev already contains yesterday's sync plus subsequent fixes, so the
merge surface is small.
Files NOT taken from main
Kept dev's versions of the dependency-management triple and CODEOWNERS:
pyproject.toml(dev-only deps)uv.lock(consistent with dev's pyproject.toml)docker/Dockerfile.ci.dev(dev-onlyuv syncflags).github/CODEOWNERS(dev governance)Formatting
Ran
black --config pyproject.toml(24.10.0) andisort(5.13.2) onall changed Python files vs
origin/dev. One file required isortreformatting (
examples/multimodal/radio/radio_g.py).Reviewer notes
This PR is created as a draft by the sync bot. CI will be triggered
with
/ok to test <sha>and the bot will mark the PR ready once allnon-exempt required checks reach a terminal green state.
🤖 Generated with Claude Code