Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

URGENCY

All Action needed Check if affected Plan ahead

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All AI & ML CI/CD & App Delivery Kubernetes Core Networking & Messaging Observability Orchestration & Management Provisioning & Runtime Security Storage & Data

Jul 2026Clear ×Project: containerdClear ×

containerdv2.3.3Kubernetes CoreJul 10, 2026

CHECK 2OTHER 7View full analysis

A maintenance release with an enforced CRI constraint, aligned erofs defaults, correctness and behavior fixes, and dependency updates. It contains no security advisories or explicitly described vulnerabilities.

Check if affected (2)

breakingThe CreateContainer constraint for stopped sandboxes
Applies if you use CreateContainer when the sandbox is not running.
CRI rejects CreateContainer when the sandbox is not running.
breakingThe erofs default mkfs block size
Applies if you use erofs across platforms.
The default erofs mkfs block size is aligned across platforms.

Source ↗

containerdv2.2.6Kubernetes CoreJul 9, 2026

ACTION 1OTHER 3View full analysis

A maintenance release with CRI and image-distribution fixes. The CRI constraint on CreateContainer requests may require action, while the other fixes take effect through the upgrade.

Action needed (1)

breakingCreateContainer rejection for stopped sandboxes
The CRI now rejects CreateContainer requests when the sandbox is not running. This constraint ships in containerd v2.2.6.

Source ↗

containerdv2.0.11Kubernetes CoreJul 9, 2026

OTHER 2View full analysis

containerd v2.0.11 fixes content storage pollution by limiting the fallback used during reference resolution. It also updates the Go toolchain to 1.26.5 and 1.25.12.

Source ↗

containerdv1.7.34Kubernetes CoreJul 9, 2026

OTHER 9View full analysis

containerd v1.7.34 fixes a CRI event-loss defect and updates the Go toolchain. It also upgrades several golang.org/x dependencies.

Source ↗

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