chore(main): release 1.38.1

[stubbi]

🤖 I have created a release beep boop

1.38.1 (2026-07-09)

Bug Fixes

• controller: surface a durable restart signal when a sandbox's VM is destroyed and replaced (#875) (5a3c054), closes #870
• controller: write the fork mem file when a child will spill, so fork(n) stops hanging (#874) (dcd4187)
• husk: stop copying 512 MiB into the live-cow guest memfd on every warm-claim activate (#869) (8fef611)

---

This PR was generated with Release Please. See documentation.

Summary by CodeRabbit

• Bug Fixes

  • Improved reliability when sandbox instances restart or are replaced.
  • Prevented hangs during child process forking in spill scenarios.
  • Reduced unnecessary memory copying during warm-claim activation.

• Chores

  • Bumped the release version to 1.38.1.
  • Updated deployment chart metadata and image references to v1.38.1.
  • Added the v1.38.1 changelog entry.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: cfa091db-632b-4fd0-9311-c237ade87d86

📥 Commits

Reviewing files that changed from the base of the PR and between 9765124 and 2ebfbbd.

📒 Files selected for processing (3)

• .release-please-manifest.json
• CHANGELOG.md
• deploy/charts/mitos/Chart.yaml

---

📝 Walkthrough

Walkthrough

This PR bumps release metadata from 1.38.0 to 1.38.1 across the manifest, changelog, and Helm chart, including the chart’s image tags.

Changes

Release 1.38.1 version bump

Layer / File(s)	Summary
Version and changelog bump .release-please-manifest.json, CHANGELOG.md, deploy/charts/mitos/Chart.yaml	Manifest version was updated to 1.38.1, the changelog gained a 1.38.1 bug-fix entry, and the Helm chart version/appVersion plus Artifact Hub image tags were bumped to v1.38.1.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• mitos-run/mitos#818: Release-please bump updating the same manifest, changelog, and Helm chart metadata.
• mitos-run/mitos#843: Release notes and version metadata updates around fork/mem-handling fixes in the same release series.
• mitos-run/mitos#867: Sequential release bump with the same manifest, changelog, and chart version/appVersion updates.

Suggested labels: autorelease: tagged

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is a release note, but it omits the required template sections like Thinking Path, What Changed, Verification, Risks, and Model Used.	Rewrite the PR description to follow the template and fill in Thinking Path, Linked Issues, What Changed, Verification, Risks, Model Used, and Checklist.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title is a concise conventional commit that clearly states this is a 1.38.1 release.
Linked Issues check	✅ Passed	The release notes include a controller fix that surfaces a durable restart signal when the sandbox VM is replaced, which addresses #870.
Out of Scope Changes check	✅ Passed	The changes stay within release automation scope: version bumps, changelog, and chart image tag updates plus the listed bug fixes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release-please--branches--main--components--mitos

---

_{Comment @coderabbitai help to get the list of available commands.}

[stubbi]

🤖 Created releases:

• v1.38.1

🌻