# containerd api/v1.12.0

> Kubernetes Core · 2026-09-16

A feature and maintenance release adds runtime and API capabilities while updating dependencies. It also deprecates two interfaces, with no disclosed security changes.

## Plan ahead
- **[deprecated]** `containerd.io/runtime-allow-mounts` shim annotation deprecation
  - The `containerd.io/runtime-allow-mounts` shim annotation is deprecated in favor of the `MountCapabilities` bootstrap extension.
- **[deprecated]** Task API address and version fields in `runc` options
  - The task API address and version fields in `runc` options are deprecated and moved to `CreateTaskRequest`.

## Other recorded changes
- 8 (value_changed 5, added 2, defect_corrected 1)

[Full analysis](https://ratatosk.io/en/releases/containerd/api%2Fv1.12.0)

[Original release notes](https://github.com/containerd/containerd/releases/tag/api/v1.12.0)