Release 3.22.1

[rsareddy0329]

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Description of changes:

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PR Review: Release 3.22.1

• Read the PR diff
• Verify version bumps are consistent across packages
• Verify inter-package dependency constraints
• Verify changelog entries

Summary

This is a mechanical release PR — version bumps, changelog entries, and inter-package dependency constraint updates. No source code changes. Everything is consistent:

Version bumps (all patch-level, aligned):

Package	From → To
sagemaker	3.22.0 → 3.22.1
sagemaker-core	2.22.0 → 2.22.1
sagemaker-train	1.22.0 → 1.22.1
sagemaker-serve	1.22.0 → 1.22.1
sagemaker-mlops	1.22.0 → 1.22.1

Dependency constraints were bumped consistently to >=x.22.1 everywhere they appear (root pyproject.toml and each sub-package), so the lower bounds match the new versions. The upper bounds (<3.0.0 etc.) are preserved.

Changelog entries in the root CHANGELOG.md correctly aggregate the per-package entries: the jumpstart/hub fixes and metadata additions map to sagemaker-core, the routing/customization fixes to sagemaker-serve, and the S3-ownership fix to sagemaker-train. sagemaker-mlops is a dependency-only bump, which matches its "Update module dependencies" note.

Verdict

✅ Clean. No correctness, security, or best-practice issues found — this is a standard release bookkeeping PR and it's already merged. Nothing to flag.