What containerd/containerd shipped
Generated by FoxPlug from public activity — not affiliated with Containerd.
Week of September 14, 2026
What shipped
- containerd 2.4.0 released as a regular non-LTS release with a shorter support window for users who want to adopt new features sooner. Release
- containerd API 1.12.0 released, aligning with containerd 2.4 and including media type in content create events and UpdateSandbox RPC for sandbox controller updates. Release
- Fixed content upload failures when retrying fetch content after reaching EOF in release/2.4 branch. Pull request #14197
- Fixed bug in ctr subcommands where comma-separated flag values were incorrectly split in release/2.4 branch. Pull request #14188
- Masked /proc/interrupts and /sys/devices/system/cpu thermal throttle inside Linux containers by default across release/1.7, /2.0, /2.2, and /2.3 branches. Pull request #14184
- Updated fxamacker/cbor dependency to v2.9.4 which fixes various potential panics. Pull request #14174
- Removed deprecated CRI and tracing configuration options including enable_cdi, bin_dir, and OTLP endpoint parameters. Pull request #14166
- Fixed urfave/cli/v3 migration issue where child commands no longer inherited DisableSliceFlagSeparator from root command. Pull request #14185
- Fixed unpacking to fetch layers of every config-sharing manifest in an index to support manifests with identical configs but different compression. Pull request #14142
Why it matters
containerd 2.4.0 is now available as a regular release focused on new features following the 2.3 LTS. The API 1.12.0 release adds sandbox controller updates and media type tracking. Multiple bug fixes address registry uploads, CLI flag handling, and container isolation.
Changelog entry
- containerd 2.4.0 released Release
- containerd API 1.12.0 released Release
- Reverted closing fetch readers at EOF to restore registry-cache upload retries Pull request #14194
- Fixed ctr subcommands to disable slice flag separator on urfave/cli/v3 Pull request #14185
- Masked /proc/interrupts and /sys/devices/system/cpu thermal throttle in containers Pull request #14184
- Updated fxamacker/cbor to v2.9.4 to fix potential panics Pull request #14174
- Removed deprecated enable_cdi, bin_dir, and OTLP tracing configuration options Pull request #14166
- Fixed unpacking to fetch layers from config-sharing manifests in indices Pull request #14142
containerd 2.4.0 and API 1.12.0 are now available. This non-LTS release includes bug fixes for registry uploads, CLI flags, and container isolation. See release notes for full details.
containerd 2.4.0 and API 1.12.0 releases are now available. As a regular non-LTS release, 2.4.0 introduces new features with a shorter support window for early adopters. Key fixes include content upload retry handling, CLI flag parsing in subcommands, and default masking of thermal interrupt information in containers. The API release adds sandbox controller update propagation and media type tracking in content events.