[[ecs-release-notes-8.4.0]] === 8.4.0 [[schema-changes-8.4.0]] [float] ==== Schema changes [[schema-added-8.4.0]] [float] ===== Added * Initial set of `expected_values`. {ecs_pull}1962[#1962] * Adding `service.node.roles`. {ecs_pull}1981[#1981] [[tooling-changes-8.4.0]] [float] ==== Tooling and artifact changes [[tooling-added-8.4.0]] [float] ===== Added * Introduce `expected_values` attribute. {ecs_pull}1952[#1952] [[tooling-improvements-8.4.0]] [float] ===== Improvements * Additional type annotations. # {ecs_pull}1950[#1950]