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@AkihiroSuda AkihiroSuda commented Apr 11, 2025

Schema 1 (application/vnd.docker.distribution.manifest.v1+prettyjws) has been officially deprecated since containerd v1.7 (PR #6884), and disabled since v2.0 (PR #9765).

Users who have been seeing warnings like conversion from schema 1 images is deprecated now have to rebuild the image with Schema 2 or OCI.

Schema 2 was introduced in Docker 1.10 (Feb 2016), so most users should have been already using Schema 2 or OCI.

Schema 1 (`application/vnd.docker.distribution.manifest.v1+prettyjws`) has been
officially deprecated since containerd v1.7 (PR 6884), and disabled since v2.0 (PR 9765).

Users who have been seeing warnings like `conversion from schema 1 images is deprecated`
now have to rebuild the image with Schema 2 or OCI.

Schema 2 was introduced in Docker 1.10 (Feb 2016), so most users should have been already
using Schema 2 or OCI.

Signed-off-by: Akihiro Suda <[email protected]>
@AkihiroSuda
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https://github.com/containerd/containerd/actions/runs/14392605005/job/40362641392?pr=11681

  [FAILED] failed to create PodSandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "0a30fad4d372ebe09e90973461697c7a9c12e7828630e90121fe628c8239c289": plugin type="portmap" failed (add): unable to create chain CNI-HOSTPORT-SETMARK: running [/usr/sbin/ip6tables -t nat -C CNI-HOSTPORT-SETMARK -m comment --comment CNI portfwd masquerade mark -j MARK --set-xmark 0x2000/0x2000 --wait]: exit status 2: ip6tables v1.8.7 (nf_tables): unknown option "--set-xmark"
  Try `ip6tables -h' or 'ip6tables --help' for more information.

The CI failure is irrelevant to the changes:

if unpacker != nil && ur.Unpacks == 0 {
// Unpack was tried previously but nothing was unpacked
// This is at least required for schema 1 image.
// This was at least required for schema 1 image.
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nit: probably can just remove this line.

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reads fine I think ... history good :)

@github-project-automation github-project-automation bot moved this from Needs Triage to Review In Progress in Pull Request Review Apr 13, 2025
@estesp estesp moved this from Review In Progress to Merge on Green in Pull Request Review Apr 16, 2025
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LGTM
What happens with docker schema 1 images in cache, imported or previously pulled.

@github-project-automation github-project-automation bot moved this from Merge on Green to Review In Progress in Pull Request Review Apr 16, 2025
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What happens with docker schema 1 images in cache, imported or previously pulled.

The schema 1 images are currently converted to OCI images on pull/import. Those images could be exported/pushed as OCI images.

@estesp estesp added this pull request to the merge queue Apr 16, 2025
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Apr 16, 2025
@mikebrow mikebrow added this pull request to the merge queue Apr 16, 2025
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Apr 16, 2025
@dmcgowan dmcgowan added this pull request to the merge queue Apr 16, 2025
Merged via the queue into containerd:main with commit 757c0bd Apr 17, 2025
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@github-project-automation github-project-automation bot moved this from Review In Progress to Done in Pull Request Review Apr 17, 2025
mansikulkarni96 added a commit to mansikulkarni96/containerd that referenced this pull request Dec 4, 2025
containerd 2.1.0

Welcome to the v2.1.0 release of containerd!

The first minor release of containerd 2.x focuses on continued stability alongside
new features and improvements. This is the first time-based released for containerd.
Most the feature set and core functionality has long been stable and harderened in production
environments, so now we transition to a balance of timely delivery of new functionality
with the same high confidence in stability and performance.

* Add no_sync option to boost boltDB performance on ephemeral environments ([containerd#10745](containerd#10745))
* Add content create event ([containerd#11006](containerd#11006))
* Erofs snapshotter and differ ([containerd#10705](containerd#10705))

* Update CRI to use transfer service for image pull by default ([containerd#8515](containerd#8515))
* Support multiple cni plugin bin dirs ([containerd#11311](containerd#11311))
* Support container restore through CRI/Kubernetes ([containerd#10365](containerd#10365))
* Add OCI/Image Volume Source support ([containerd#10579](containerd#10579))
* Enable Writable cgroups for unprivileged containers ([containerd#11131](containerd#11131))
* Fix recursive RLock() mutex acquisition ([containerd/go-cni#126](containerd/go-cni#126))
* Support CNI STATUS Verb ([containerd/go-cni#123](containerd/go-cni#123))

* Retry last registry host on 50x responses ([containerd#11484](containerd#11484))
* Multipart layer fetch ([containerd#10177](containerd#10177))
* Enable HTTP debug and trace for transfer based puller ([containerd#10762](containerd#10762))
* Add support for unpacking custom media types  ([containerd#11744](containerd#11744))
* Add dial timeout field to hosts toml configuration ([containerd#11106](containerd#11106))

* Expose Pod assigned IPs to NRI plugins ([containerd#10921](containerd#10921))

* Support multiple uid/gid mappings ([containerd#10722](containerd#10722))
* Fix race between serve and immediate shutdown on the server ([containerd/ttrpc#175](containerd/ttrpc#175))

* Update FreeBSD defaults and re-organize platform defaults ([containerd#11017](containerd#11017))

* Postpone cri config deprecations to v2.2 ([containerd#11684](containerd#11684))
* Remove deprecated dynamic library plugins ([containerd#11683](containerd#11683))
* Remove the support for Schema 1 images ([containerd#11681](containerd#11681))

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

* Derek McGowan
* Phil Estes
* Akihiro Suda
* Maksym Pavlenko
* Jin Dong
* Wei Fu
* Sebastiaan van Stijn
* Samuel Karp
* Mike Brown
* Adrien Delorme
* Austin Vazquez
* Akhil Mohan
* Kazuyoshi Kato
* Henry Wang
* Gao Xiang
* ningmingxiao
* Krisztian Litkey
* Yang Yang
* Archit Kulkarni
* Chris Henzie
* Iceber Gu
* Alexey Lunev
* Antonio Ojea
* Davanum Srinivas
* Marat Radchenko
* Michael Zappa
* Paweł Gronowski
* Rodrigo Campos
* Alberto Garcia Hierro
* Amit Barve
* Andrey Smirnov
* Divya
* Etienne Champetier
* Kirtana Ashok
* Philip Laine
* QiPing Wan
* fengwei0328
* zounengren
* Adrian Reber
* Alfred Wingate
* Amal Thundiyil
* Athos Ribeiro
* Brian Goff
* Cesar Talledo
* ChengyuZhu6
* Chongyi Zheng
* Craig Ingram
* Danny Canter
* David Son
* Fupan Li
* HirazawaUi
* Jing Xu
* Jonathan A. Sternberg
* Jose Fernandez
* Kaita Nakamura
* Kohei Tokunaga
* Lei Liu
* Marco Visin
* Mike Baynton
* Qiyuan Liang
* Sameer
* Shiming Zhang
* Swagat Bora
* Teresaliu
* Tony Fang
* Tõnis Tiigi
* Vered Rosen
* Vinayak Goyal
* bo.jiang
* chriskery
* luchenhan
* mahmut
* zhaixiaojuan

* **github.com/Microsoft/hcsshim**                                                 v0.12.9 -> v0.13.0-rc.3
* **github.com/cilium/ebpf**                                                       v0.11.0 -> v0.16.0
* **github.com/containerd/cgroups/v3**                                             v3.0.3 -> v3.0.5
* **github.com/containerd/containerd/api**                                         v1.8.0 -> v1.9.0
* **github.com/containerd/continuity**                                             v0.4.4 -> v0.4.5
* **github.com/containerd/go-cni**                                                 v1.1.10 -> v1.1.12
* **github.com/containerd/imgcrypt/v2**                                            v2.0.0-rc.1 -> v2.0.1
* **github.com/containerd/otelttrpc**                                              ea5083fda723 -> v0.1.0
* **github.com/containerd/platforms**                                              v1.0.0-rc.0 -> v1.0.0-rc.1
* **github.com/containerd/ttrpc**                                                  v1.2.6 -> v1.2.7
* **github.com/containerd/typeurl/v2**                                             v2.2.2 -> v2.2.3
* **github.com/containernetworking/cni**                                           v1.2.3 -> v1.3.0
* **github.com/containernetworking/plugins**                                       v1.5.1 -> v1.7.1
* **github.com/containers/ocicrypt**                                               v1.2.0 -> v1.2.1
* **github.com/davecgh/go-spew**                                                   d8f796af33cc -> v1.1.1
* **github.com/fsnotify/fsnotify**                                                 v1.7.0 -> v1.9.0
* **github.com/go-jose/go-jose/v4**                                                v4.0.4 -> v4.0.5
* **github.com/google/go-cmp**                                                     v0.6.0 -> v0.7.0
* **github.com/grpc-ecosystem/grpc-gateway/v2**                                    v2.22.0 -> v2.26.1
* **github.com/klauspost/compress**                                                v1.17.11 -> v1.18.0
* **github.com/mdlayher/socket**                                                   v0.4.1 -> v0.5.1
* **github.com/moby/spdystream**                                                   v0.4.0 -> v0.5.0
* **github.com/moby/sys/user**                                                     v0.3.0 -> v0.4.0
* **github.com/opencontainers/image-spec**                                         v1.1.0 -> v1.1.1
* **github.com/opencontainers/runtime-spec**                                       v1.2.0 -> v1.2.1
* **github.com/opencontainers/selinux**                                            v1.11.1 -> v1.12.0
* **github.com/pelletier/go-toml/v2**                                              v2.2.3 -> v2.2.4
* **github.com/petermattis/goid**                                                  4fcff4a6cae7 **_new_**
* **github.com/pmezard/go-difflib**                                                5d4384ee4fb2 -> v1.0.0
* **github.com/prometheus/client_golang**                                          v1.20.5 -> v1.22.0
* **github.com/prometheus/common**                                                 v0.55.0 -> v0.62.0
* **github.com/sasha-s/go-deadlock**                                               v0.3.5 **_new_**
* **github.com/smallstep/pkcs7**                                                   v0.1.1 **_new_**
* **github.com/stretchr/testify**                                                  v1.9.0 -> v1.10.0
* **github.com/tchap/go-patricia/v2**                                              v2.3.1 -> v2.3.2
* **github.com/urfave/cli/v2**                                                     v2.27.5 -> v2.27.6
* **github.com/vishvananda/netlink**                                               v1.3.0 -> 0e7078ed04c8
* **github.com/vishvananda/netns**                                                 v0.0.4 -> v0.0.5
* **go.etcd.io/bbolt**                                                             v1.3.11 -> v1.4.0
* **go.opentelemetry.io/auto/sdk**                                                 v1.1.0 **_new_**
* **go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc**  v0.56.0 -> v0.60.0
* **go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp**                v0.56.0 -> v0.60.0
* **go.opentelemetry.io/otel**                                                     v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/exporters/otlp/otlptrace**                            v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc**              v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp**              v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/metric**                                              v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/sdk**                                                 v1.31.0 -> v1.35.0
* **go.opentelemetry.io/otel/trace**                                               v1.31.0 -> v1.35.0
* **go.opentelemetry.io/proto/otlp**                                               v1.3.1 -> v1.5.0
* **golang.org/x/crypto**                                                          v0.28.0 -> v0.36.0
* **golang.org/x/exp**                                                             aacd6d4b4611 -> 2d47ceb2692f
* **golang.org/x/mod**                                                             v0.21.0 -> v0.24.0
* **golang.org/x/net**                                                             v0.30.0 -> v0.38.0
* **golang.org/x/oauth2**                                                          v0.22.0 -> v0.27.0
* **golang.org/x/sync**                                                            v0.8.0 -> v0.14.0
* **golang.org/x/sys**                                                             v0.26.0 -> v0.33.0
* **golang.org/x/term**                                                            v0.25.0 -> v0.30.0
* **golang.org/x/text**                                                            v0.19.0 -> v0.23.0
* **golang.org/x/time**                                                            v0.3.0 -> v0.7.0
* **google.golang.org/genproto/googleapis/api**                                    5fefd90f89a9 -> 56aae31c358a
* **google.golang.org/genproto/googleapis/rpc**                                    324edc3d5d38 -> 56aae31c358a
* **google.golang.org/grpc**                                                       v1.67.1 -> v1.72.0
* **google.golang.org/protobuf**                                                   v1.35.1 -> v1.36.6
* **k8s.io/api**                                                                   v0.31.2 -> v0.32.3
* **k8s.io/apimachinery**                                                          v0.31.2 -> v0.32.3
* **k8s.io/apiserver**                                                             v0.31.2 -> v0.32.3
* **k8s.io/client-go**                                                             v0.31.2 -> v0.32.3
* **k8s.io/cri-api**                                                               v0.31.2 -> v0.32.3
* **k8s.io/kubelet**                                                               v0.31.2 -> v0.32.3
* **k8s.io/utils**                                                                 18e509b52bc8 -> 3ea5e8cea738
* **sigs.k8s.io/json**                                                             bc3834ca7abd -> 9aa6b5e7a4b3
* **sigs.k8s.io/structured-merge-diff/v4**                                         v4.4.1 -> v4.4.2
* **tags.cncf.io/container-device-interface**                                      v0.8.0 -> v1.0.1
* **tags.cncf.io/container-device-interface/specs-go**                             v0.8.0 -> v1.0.0

Previous release can be found at [v2.0.0](https://github.com/containerd/containerd/releases/tag/v2.0.0)
* `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](https://github.com/opencontainers/runc/releases)
and [CNI plugins](https://github.com/containernetworking/plugins/releases) from their official sites too.

See also the [Getting Started](https://github.com/containerd/containerd/blob/main/docs/getting-started.md) documentation.
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