US version maybe coming in 2019
So the David Fincher version failed to materialize, but Amazon is now reportedly already in production with an American version as a 9-episode season for Prime. By now they should be filming according to the schedule presented in this news item from six months ago,
https://www.hollywoodreporter.com/live-feed/utopia-remake-ordered-series-as-amazon-inks-showrunner-gillian-flynn-deal-1103988
more links in
https://en.wikipedia.org/wiki/Utopia_(2019_U.S._TV_series)