chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-04-12)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in main.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated internal dependency references to latest versions.

[svcnvidia-nemo-ci]

/ok to test b409385

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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: 06faa0df-193b-4ff5-9bd6-6b93a75fcb3b

📥 Commits

Reviewing files that changed from the base of the PR and between 0195522 and b409385.

⛔ 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

The pull request updates the Megatron-LM submodule pointer to a new commit hash in both the .main.commit file and the 3rdparty/Megatron-LM git submodule reference, bumping from 59fc894... to 7cbc68c....

Changes

Cohort / File(s)	Summary
Megatron-LM Submodule Update .main.commit, 3rdparty/Megatron-LM	Updated git submodule pointer to track a newer commit of Megatron-LM, replacing commit hash 59fc89485f18c47038c0cb9aed65a35850030d34 with 7cbc68ce96fc586d989ebaf864afe4f648474414.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-03-18) #2873: Updates the same Megatron-LM submodule pointer by replacing one commit hash with another.
• chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-03-24) #2968: Bumps the Megatron-LM submodule pointer (.main.commit and 3rdparty/Megatron-LM) to a new commit hash.
• chore(beep boop 🤖): Bump uv.lock (main, mcore-main) (2026-04-08) #3210: Updates the Megatron-LM submodule pointer files to bump the tracked commit.

Suggested reviewers

• yaoyu-33
• maanug-nv

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title references bumping uv.lock but the actual changes update .main.commit and a Megatron-LM submodule pointer, not the uv.lock file. The title is misleading about the changeset contents.	Update the title to accurately reflect the actual changes, such as 'chore: Update Megatron-LM submodule and .main.commit pointer (2026-04-12)' to match the commit hash updates in the PR.

✅ 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 only minor maintenance changes: routine git submodule pointer and dependency lock file updates with low code review effort (+1/-1 lines). Per check instructions, test results documentation is not required for minor changes.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-ci-container-2026-04-12-main-main

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