> While 'make test' is intended to> pass generally, the reference environment is Ubuntu 14.04 (soon to be> upgraded to 18.04 for the next release). By "next release," do you mean 4.10.1 or 4.11? Looking also at https://lists.samba.org/archive/samba/2019-April/222157.html,is there concern that 4.10.0 is not production-ready on Ubuntu 18.04?