chore(beep boop 🤖): Bump uv.lock (r0.4.0, mcore-core_r0.17.0) (2026-04-09)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in r0.4.0.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated internal dependency references to align with latest codebase versions.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 9872a499-8aa4-438e-82cf-f2bf9d775828

📥 Commits

Reviewing files that changed from the base of the PR and between b7382ee and c78314a.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• .main.commit
• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

Updates the Megatron-LM submodule pointer from commit 51ea688a5b7c98170d480185b60dc113de2d42d7 to commit c506380bda61c6788853ed9e08e0fb0d6cbfb4b4, synchronizing the tracked revision across both the submodule reference and associated metadata file.

Changes

Cohort / File(s)	Summary
Submodule Pointer Update .main.commit, 3rdparty/Megatron-LM	Updated Megatron-LM submodule commit reference from 51ea688a to c506380b.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-03-24) #2968: Updates the same .main.commit and 3rdparty/Megatron-LM submodule pointers with new commit hashes.
• chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-04-08) #3210: Modifies the Megatron-LM submodule reference to track a different commit revision.
• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-18) #2873: Updates the 3rdparty/Megatron-LM submodule pointer to a new commit hash.

Suggested labels

full-test-suite

Suggested reviewers

• yaoyu-33
• ko3n1g

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title mentions bumping uv.lock but the actual changes are to .main.commit and 3rdparty/Megatron-LM submodule pointers, not the uv.lock file.	Update the title to accurately reflect that the PR bumps the Megatron-LM submodule commit pointer, not the uv.lock file.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Test Results For Major Changes	✅ Passed	PR contains minor maintenance changes (automated dependency updates and submodule pointer bumps). These are routine chore changes that do not constitute major changes requiring test result documentation.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-ci-container-2026-04-09-r0.4.0-core_r0.17.0

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[ko3n1g]

/ok to test c78314a

[cuichenx]

@ko3n1g this one should have the full test suite label as well right?