Upgrading Collabora Online from 25.04 to 26.04
Planning the move to the 26.04 branch: new features such as the AI assistant and classification labels, configuration review, testing documents and integrations, and rolling the upgrade across servers.
Collabora Online upgrades
Moving Collabora Online between major branches such as 24.04, 25.04 and 26.04, from CODE to a supported subscription, and upgrading older loolwsd installations and the COOL Controller.
Upgrading Collabora Online from 24.04 to 25.04
Bringing 24.04 servers to the 25.04 branch: release note changes to review, package signing key updates, integration tests with the WOPI host, and rollback planning.
Upgrading old Collabora Online 6.4 and loolwsd installations
Moving installations from 6.4 or earlier to current releases: the loolwsd to coolwsd rename, configuration migration, new proxy endpoints, the cool service user and file permission checks.
Moving from CODE to a supported Collabora Online subscription
Switching a production deployment from the free CODE build to supported Collabora Online: repository and image changes, configuration carried over, support entitlements and timing.
Upgrading the COOL Controller and Collabora Online Helm charts
Upgrading the collabora-online umbrella chart and COOL Controller on Kubernetes: chart and app versions, leader election changes, rolling restarts that move open documents, and monitoring rule updates.
Collabora Online support lifecycle and upgrade planning
Planning upgrades around Collabora's three-year support per major version, monthly minor releases and six-monthly majors, and deciding when to skip a branch.
