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[release/2.2] Prepare release notes for v2.2.6#13751

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fuweid merged 1 commit into
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Jul 9, 2026
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[release/2.2] Prepare release notes for v2.2.6#13751
fuweid merged 1 commit into
containerd:release/2.2from
chrishenzie:prepare-v2.2.6

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@chrishenzie chrishenzie commented Jul 9, 2026

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containerd 2.2.6

Welcome to the v2.2.6 release of containerd!

The sixth patch release for containerd 2.2 contains various fixes and updates.

Highlights

Container Runtime Interface (CRI)

  • Fix nil pointer dereference in NRI GetIPs during pod sandbox teardown or container exit (#13696)
  • Reject CreateContainer calls when the target sandbox is not running (#13669)
  • Ensure sandbox shutdown on RunPodSandbox hook failures to avoid mount leaks (#13644)

Image Distribution

  • Limit fallback to /blobs endpoint during ref resolution to prevent content store pollution (#13620)

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

Contributors

  • Samuel Karp
  • Chris Henzie
  • Phil Estes
  • Akihiro Suda
  • Joseph Zhang
  • Maksym Pavlenko
  • crawfordxx
  • lauralorenz

Changes

8 commits

  • Prepare release notes for v2.2.6 (#13751)
  • CI: migrate Vagrant to Lima (#13745)
  • Update go to 1.26.5/1.25.12 (#13726)
  • ci: pin fog-json to resolve gem conflict (#13714)
    • 8f123e4f7 ci: pin fog-json to resolve gem conflict
  • Fix nil pointer dereference in NRI GetIPs (#13696)
    • d3e1a2be9 Fix nil pointer dereference in NRI GetIPs
  • cri: reject CreateContainer when sandbox is not running (#13669)
    • 872a9502e cri: reject CreateContainer when sandbox is not running
  • Add defer in event of mid-function failures in RunPodSandbox to avoid mount leaks (#13644)
    • ba7605ee7 Add deferred call to ShutdownSandbox to avoid leaks
  • fix: avoid content storage pollution by limiting the fallback on ref resolution (#13620)
    • 36c4275ee fix:avoid content storage pollution by limiting the fallback on ref resolution

Dependency Changes

This release has no dependency changes

Previous release can be found at v2.2.5

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.

@github-project-automation github-project-automation Bot moved this to Needs Triage in Pull Request Review Jul 9, 2026
@chrishenzie chrishenzie changed the title Prepare release notes for v2.2.6 [release/2.2] Prepare release notes for v2.2.6 Jul 9, 2026
@chrishenzie
chrishenzie marked this pull request as draft July 9, 2026 18:00
@chrishenzie
chrishenzie marked this pull request as ready for review July 9, 2026 21:21
@fuweid
fuweid merged commit 11ce9d5 into containerd:release/2.2 Jul 9, 2026
128 of 131 checks passed
@github-project-automation github-project-automation Bot moved this from Needs Triage to Done in Pull Request Review Jul 9, 2026
@chrishenzie
chrishenzie deleted the prepare-v2.2.6 branch July 10, 2026 00:17
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3 participants