There is now a website that details the migration project at smptedcp.com which gives the running status of North America and Europe for percentages of feasibility, as well as good descriptions of what this means.

With word that there is no more technical or equipment reason for any exhibitor in the United States to not be running SMTPE Compliant DCPs, the board of NATO has released the following: 

Be it resolved that motion picture distributors and exhibitors operating in the ‘domestic’ market of the United States and Canada will fully transition to SMPTE DCP by 9 April 2019. A full press release will follow shortly.

See the full document full of Whereas and BE IT in the attachment…