https://docs.gitlab.com/ee/update/index.html#upgrading-to-a-new-major-version Upgrading the major version requires more attention. Backward-incompatible changes and migrations are reserved for major versions. Follow the directions carefully as we cannot guarantee that upgrading between major versions is seamless. A major upgrade requires the following steps: Start by identifying a supported upgrade path. This is essential for a successful major version upgrade https://docs.gitlab.com/ee/update/index.html#upgrade-paths backup[…]
