# Open Cluster Management v1.3.0

> Orchestration & Management · 2026-05-09

A feature and maintenance release with new addon, TLS, API, and manifest capabilities, along with correctness fixes and dependency updates. The unsupported `addon webhook hosted mode config` is removed, so configuration and API behavior should be reviewed during an upgrade.

## Check if affected
- **[breaking]** Removal of the `addon webhook hosted mode config`
  - Applies if you configure `addon webhook hosted mode config`.
  - The unsupported `addon webhook hosted mode config` is removed from the addon webhook configuration in this release.
- **[breaking]** Removal of the `addon webhook hosted mode config`
  - Applies if you configure `addon webhook hosted mode config`.
  - The unsupported `addon webhook hosted mode config` is removed from the addon webhook configuration in this release.

## Other recorded changes
- 119 (value_changed 84, defect_corrected 16, added 13, constraint_changed 4, renamed 1, default_changed 1)

[Full analysis](https://ratatosk.io/en/releases/open-cluster-management/v1.3.0)

[Original release notes](https://github.com/open-cluster-management-io/ocm/releases/tag/v1.3.0)