Please find all information on updates, features, and fixes of the Collabora Online Controller on this page. Details about security updates are available here.
Collabora Online Controller 1.1.7
Released on 3 December 2025.
Bug Fixes/Improvements
- Fixed a bug where leaderElection is enabled we sometimes end up in deadlock situation where no-one is leader
Bump Go version to 1.25.5 for security fixes
Action Required
- Pre‑upgrade cleanup to avoid stale leadership and leases:
kubectl delete -n deployment && kubectl delete lease collabora-online -n- Use umbrella helm charts: 1.1.11
Collabora Online Controller 1.1.6
Released on 13 November 2025.
Features
- Fixed leader election lease duration calculation that caused leases to be created with 705032704 seconds (22 years) instead of the configured 10 seconds. This prevented proper leader failover when controller pods crashed or restarted.
- Bump Go version to 1.25.3 for security fixes
Collabora Online Controller 1.1.5
Released on 15 October 2025.
Features
Internal Cluster Communication
- Enables direct communication between COOL Controller and Collabora Online within the Kubernetes cluster, bypassing external network routing for improved performance and reduced latency
- Enhances security by keeping all controller-to-COOL traffic internal to the cluster network
- Reduces network overhead and eliminates unnecessary external ingress/egress traffic
- For detailed setup instructions, refer to the sdk.collaboraonline.com
Collabora Online Controller 1.1.4
Released on 29 August 2025.
Features
- Remote dynamic configuration via
/controller/remoteconfighttps://sdk.collaboraonline.com/docs/installation/Configuration.html?#remote-dynamic-configuration - Health/readiness split: /healthz and /readyz; only the elected leader becomes Ready.
Bug Fixes/Improvements
- Leader‑only serving; followers remain Healthy but never Ready.
- Lease cleanup on uninstall to prevent orphaned leader‑election locks.
- Runs as unprivileged user by default.
- Monitor Origin mismatch resolved (COOL adds “Origin”; accepted correctly).
- No traffic forwarded to followers.
Action Required
- Pre‑upgrade cleanup to avoid stale leadership and leases:
kubectl delete -n <namespace> deployment <deployment-name> && kubectl delete lease collabora-online -n <namespace>- Use helm charts: umbrella 1.1.6; controller 1.1.7.