Notably, Xenial is also the first release to bring support for s390x architecture (ie mainframes). [0]: https://insights.ubuntu.com/2015/08/17/ibm-and-canonica

Notably, Xenial is also the first release to bring support for s390x architecture (ie mainframes). [0]: https://insights.ubuntu.com/2015/08/17/ibm-and-canonical-plan-ubuntu-support-on-ibm-z-systems-mainframe/ https://insights.ubuntu.com/2015/08/17/ibm-and-canonical-pla... [1]: https://help.ubuntu.com/16.04/installation-guide/s390x/ https://help.ubuntu.com/16.04/installation-guide/s390x/