From 7f86de9319cfae9f1c17982baa71e77ca6c7125f Mon Sep 17 00:00:00 2001 From: Akihiro Suda Date: Sat, 1 Nov 2025 00:54:06 +0900 Subject: [PATCH] docs: deprecated: deprecate cgroup v1 See - moby/moby issue 51111 - moby/moby PR 51360 Signed-off-by: Akihiro Suda --- docs/deprecated.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/docs/deprecated.md b/docs/deprecated.md index 21e05457f..4271bbf0a 100644 --- a/docs/deprecated.md +++ b/docs/deprecated.md @@ -53,6 +53,7 @@ The following table provides an overview of the current status of deprecated fea | Status | Feature | Deprecated | Remove | |------------|------------------------------------------------------------------------------------------------------------------------------------|------------|--------| +| Deprecated | [Support for cgroup v1](#support-for-cgroup-v1) | v29.0 | - | | Deprecated | [`--pause` option on `docker commit`](#--pause-option-on-docker-commit) | v29.0 | v30.0 | | Deprecated | [Legacy links environment variables](#legacy-links-environment-variables) | v28.4 | v30.0 | | Deprecated | [Special handling for quoted values for TLS flags](#special-handling-for-quoted-values-for-tls-flags) | v28.4 | v29.0 | @@ -125,6 +126,26 @@ The following table provides an overview of the current status of deprecated fea | Removed | [`--run` flag on `docker commit`](#--run-flag-on-docker-commit) | v0.10 | v1.13 | | Removed | [Three arguments form in `docker import`](#three-arguments-form-in-docker-import) | v0.6.7 | v1.12 | +### Support for cgroup v1 + +**Deprecated in release: v29.0** + +Support for cgroup v1 is deprecated in the v29.0 release, however, it will continue +to be supported until May 2029. +The latest release in May 2029 may not necessarily support cgroup v1, +but there will be at least one maintained branch with the support for cgroup v1. + +The cgroup version currently in use can be checked by running the `docker info` command: + +```console +$ docker info +<...> +Server: + <...> + Cgroup Version: 2 + <...> +``` + ### `--pause` option on `docker commit` **Deprecated in release: v29.0**