Umbraco MVP working at Ecreo, creator of packages like Full Text Search and Impersonator
In upgrading to Umbraco 15, users of ModelsBuilder may encounter issues due to the removal of the IPublishedSnapshotAccessor interface, causing model build failures. Søren Kottal suggests reintroducing the interface by adding a specific code snippet to .generated.cs files, allowing for successful model rebuilding and compatibility with Umbraco 15.