which should be more compatible with latest Jenkins versions.
* ``xunit1`` (or ``legacy``): produces old style output, compatible with the xunit 1.0 format.
* ``xunit2``: produces `xunit 2.0 style output <https://github.com/jenkinsci/xunit-plugin/blob/xunit-2.3.2/src/main/resources/org/jenkinsci/plugins/xunit/types/model/xsd/junit-10.xsd>`__, which should be more compatible with latest Jenkins versions. **This is the default**.