Prepare release notes for v2.2.0#12473
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dmcgowan merged 5 commits intocontainerd:mainfrom Nov 6, 2025
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AkihiroSuda
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there is enhancement #12092 we can highlight in release note. |
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We don't normally include fixes which have already been cherry-picked into stable release branches in the |
Signed-off-by: Derek McGowan <[email protected]>
Signed-off-by: Derek McGowan <[email protected]>
Signed-off-by: Derek McGowan <[email protected]>
Signed-off-by: Derek McGowan <[email protected]>
Signed-off-by: Derek McGowan <[email protected]>
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dims
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Nov 6, 2025
fuweid
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austinvazquez
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Add tar index mode to EROFS snapshotter (#11919) seems occurrence twice in the changelog |
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Moved it with the tags |
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Generated notes
containerd 2.2.0
Welcome to the v2.2.0 release of containerd!
The second minor release of containerd 2.x focuses on continued stability alongside
new features and improvements. This is the second time-based released for containerd.
Highlights
Add mount manager (#12063)
The mount manager is a new service that provides lifecycle management for filesystem mounts
to support more advanced use cases, such as:
Add conf.d include in the default config (#12323)
Add support for back references in the garbage collector (#12025)
Container Runtime Interface (CRI)
Pod Sandbox Metrics (#10691)
Full implementation of Kubernetes CRI pod-level metrics API
Support image volume mount subpath (#11578)
Go client
Image Distribution
Parallel Unpack (#12332)
Adds support for unpacking layers in parallel during pull operations. This feature is supported with overlayfs and EROFS snapshotters.
OCI Referrers Support (#12309)
Adds new referrers fetcher to remote registry interface using the new referrers endpoint added in OCI distribution-spec 1.1
Tar unpack progress through transfer service (#11921)
Image Storage
EROFS enhancements using mount manager (#12333)
Improvements to EROFS snapshotter using the new mount manager service
mount manager to be performed on-demand or within the runtime.
Add snapshotter and differ for block CIMs (#12050)
Add tar index mode to EROFS snapshotter (#11919)
Node Resource Interface (NRI)
Runtime
Deprecations
Please try out the release binaries and report any issues at
https://github.com/containerd/containerd/issues.
Contributors
Dependency Changes
Previous release can be found at v2.1.0
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.