[lucasjia-aws]

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PR Review: Release 3.18.0

• Read PR diff (/tmp/pr.diff)
• Verify version bumps are consistent across packages
• Cross-check CHANGELOG entries against sub-package changelogs
• Verify inter-package dependency bounds

Verdict: ✅ Clean

This is a routine release PR — version bumps and changelog entries only, no source code changes. Everything is internally consistent:

Version bumps (all coherent):

Package	3.17 → 3.18
sagemaker (root)	3.17.0 → 3.18.0
sagemaker-core	2.17.0 → 2.18.0
sagemaker-train	1.17.0 → 1.18.0
sagemaker-serve	1.17.0 → 1.18.0
sagemaker-mlops	1.17.0 → 1.18.0

Dependency bounds — all lower bounds bumped to match the new minor versions; upper bounds (<3.0.0 for core, <2.0.0 for the rest) preserved. Root pyproject.toml, and the mlops/serve/train pyprojects are all mutually consistent.

Changelog attribution — every entry in the root CHANGELOG.md is correctly mirrored in the owning sub-package changelog (e.g. #6098 → serve, #6014 → mlops, the three sagemaker-core fixes + #6083 telemetry → core, #6116/#6115 → train). No orphaned or misfiled entries.

Nothing to flag — no correctness, security, or backward-compat concerns for a version/changelog-only change. Approvals from the two reviewers are appropriate.