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[release/2.1] Prepare release notes for v2.1.8#13489

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fuweid merged 1 commit into
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Jun 2, 2026
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[release/2.1] Prepare release notes for v2.1.8#13489
fuweid merged 1 commit into
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cpuguy83:release_notes_2.1.8

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@cpuguy83

@cpuguy83 cpuguy83 commented May 27, 2026

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containerd 2.1.8

Welcome to the v2.1.8 release of containerd!

The eighth patch release for containerd 2.1 contains various fixes and updates.

Security Updates

Highlights

Runtime

  • Fix handling of out-of-range USER values in OCI spec to avoid unexpected username/group lookups (#13497)
  • Fix bugs in sandbox service affecting sandbox creation configuration and event publishing (#13272)
  • Set AppArmor abi conditionally to support versions < 3.0 (#13274)

Snapshotters

  • Support both "volatile" and "fsync=volatile" mount options for volatile snapshotter (#13297)

Please try out the release binaries and report any issues at
https://github.com/containerd/containerd/issues.

Contributors

  • Wei Fu
  • Brian Goff
  • Chris Henzie
  • Samuel Karp
  • LEI WANG
  • William Myers

Changes

11 commits

  • 782280ef0 Prepare release notes for v2.1.8
  • oci: return explicit error for out-of-range USER values (#13497)
    • 2054cc54c oci: return explicit error for out-of-range USER values
  • Support both styles of volatile mount option (#13297)
    • 677e8f08a Support both styles of volatile mount option
  • backport: sandbox: forward Create fields, fix event topics (#13272)
    • f3b4b35c9 sandbox: forward Create fields, fix event topics
  • apparmor: Set abi conditionally (#13274)
  • Add GitHub Action for k8s node e2e tests (#13249)
    • b8b110584 Add GitHub Action for k8s node e2e tests

Dependency Changes

This release has no dependency changes

Previous release can be found at v2.1.7

Which file should I download?

  • containerd-<VERSION>-<OS>-<ARCH>.tar.gz: ✅Recommended. Dynamically linked with glibc 2.35 (Ubuntu 22.04).
  • containerd-static-<VERSION>-<OS>-<ARCH>.tar.gz: Statically linked. Expected to be used on Linux distributions that do not use glibc >= 2.35. Not position-independent.

In addition to containerd, typically you will have to install runc
and CNI plugins from their official sites too.

See also the Getting Started documentation.

@samuelkarp

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@cpuguy83 containerd/release-tool#65 can help prep the release notes (including selecting highlights and writing descriptions)

@cpuguy83

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Thanks, posted the generated notes in he PR body.

@cpuguy83
cpuguy83 force-pushed the release_notes_2.1.8 branch from 6b35b7f to 782280e Compare June 1, 2026 21:02
@k8s-ci-robot k8s-ci-robot added size/M and removed size/S labels Jun 1, 2026
@cpuguy83

cpuguy83 commented Jun 1, 2026

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Updated to include #13497

@cpuguy83
cpuguy83 requested a review from fuweid June 1, 2026 21:03
@fuweid
fuweid enabled auto-merge June 1, 2026 22:46
@fuweid
fuweid disabled auto-merge June 1, 2026 22:54
@samuelkarp

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#13497 is a backport of the fix for GHSA-fqw6-gf59-qr4w, should be highlighted like it was in 58af965.

@fuweid

fuweid commented Jun 2, 2026

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@samuelkarp I don't see there is security patch in v2.1

Never mind. the first item in that description - 2054cc5

Comment thread releases/v2.1.8.toml
@cpuguy83
cpuguy83 force-pushed the release_notes_2.1.8 branch from 782280e to dcab853 Compare June 2, 2026 15:08
@cpuguy83

cpuguy83 commented Jun 2, 2026

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Updated

@fuweid

fuweid commented Jun 2, 2026

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is it possible to remove this Co-authored-by: Copilot <[email protected]>?

@cpuguy83
cpuguy83 force-pushed the release_notes_2.1.8 branch from dcab853 to 07f2265 Compare June 2, 2026 16:10
@cpuguy83

cpuguy83 commented Jun 2, 2026

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is it possible to remove this Co-authored-by: Copilot <[email protected]>?

Done

@github-project-automation github-project-automation Bot moved this from Needs Triage to Review In Progress in Pull Request Review Jun 2, 2026
@fuweid
fuweid merged commit 97a35b7 into containerd:release/2.1 Jun 2, 2026
89 of 90 checks passed
@github-project-automation github-project-automation Bot moved this from Review In Progress to Done in Pull Request Review Jun 2, 2026
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5 participants