chore(beep boop 🤖): Bump uv.lock (main, mcore-dev) (2026-04-17)

[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 version tracking and upstream dependencies to maintain infrastructure alignment.

[svcnvidia-nemo-ci]

/ok to test 174e436

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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 Plus

Run ID: 75b44f25-7a4a-4b89-b96a-2a060d453556

📥 Commits

Reviewing files that changed from the base of the PR and between 87ba119 and 174e436.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• .dev.commit
• 3rdparty/Megatron-LM

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📝 Walkthrough

Walkthrough

This PR updates the Megatron-LM submodule pointer to a newer commit hash and synchronizes the corresponding .dev.commit file to maintain consistency between the submodule reference and the tracked commit identifier.

Changes

Cohort / File(s)	Summary
Commit Tracking .dev.commit	Updated commit identifier from 7ff046b1c8b976ff33761976796c4302ebd0a7bc to ac6ca5b299dad4b82c9805077e64dda23fb25784.
Submodule Reference 3rdparty/Megatron-LM	Updated submodule pointer from commit 23265d2db37efa883b3983bce321c631898822f3 to ac6ca5b299dad4b82c9805077e64dda23fb25784.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• PR #3352: Modifies the same Megatron-LM submodule pointer, advancing it from a previous commit to the new target hash.
• PR #2813: Updates both the Megatron-LM submodule pointer and the companion .dev.commit file in parallel.
• PR #3335: Updates the Megatron-LM submodule pointer to a different commit hash as part of routine dependency management.

Suggested labels

ci, area:build

Suggested reviewers

• yaoyu-33
• ko3n1g

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The PR title mentions bumping uv.lock but the actual changes involve updating .dev.commit and a Megatron-LM submodule pointer, not the lock file.	Update the title to accurately reflect the main changes: updating .dev.commit and Megatron-LM submodule pointer. Consider removing the emoji and date for clarity.

✅ 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 dependency/submodule version updates without affecting numerics or performance; test documentation not required for routine maintenance.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bump-ci-container-2026-04-17-main-dev

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