# Migrator Resources

-   [Downgrading](/self-hosted/updates/migrator/downgrading)
-   [Migrator operations](/self-hosted/updates/migrator/migrator-operations)
-   [Schema drift explained](/self-hosted/updates/migrator/schema-drift)
-   [Troubleshooting Upgrades](/self-hosted/updates/migrator/troubleshooting-upgrades)
-   [Upgrading Early Versions](/self-hosted/updates/migrator/upgrading-early-versions)