Be aware, another “May” the update be with you !
02/05/2019
Be aware that starting 30th of April, 2019 the SharePoint installations have to be on a minimum patch level of May 2018 CU for SharePoint Server 2016 and on April 2018 CU for SharePoint 2013.
According Product Servicing policy, All SharePoint Server 2016 builds will be supported for at least one year from its release date. (The similar policy applies also SharePoint 2013)
Microsoft will update the minimum supported build of SharePoint Server 2016 on each anniversary of General Availability (GA) which is 30th of April of each year.