Hello Gianluca,ultimate source of truth for the engine is line [1] and possibly subsequent update clauses. It contains Broadwell-noTSX for 4.1 as well as planned 4.2.RegardsJakub[1]: https://github.com/oVirt/ovirt-engine/blob/5e1e11ec6a560c0bc8d2be849b8b5ba6c6427f34/packaging/dbscripts/upgrade/pre_upgrade/0000_config.sql#L422