In an interview given by the French magazine "le Film Français", the festival director Thierry Fremaux announced new bans for the 71st edition of the Cannes Festival. Selfies on the red carpet will be banned and Netflix movies will not be able to compete in the official competition.
About red carpet selfies: Fremaux has stated that the experience of the red carpet and festival has been interfered by "the untimely disorder created by the practice of selfies". Fremaux has also stated his distate for the act calling it "ridiculous and grotesque".
About Netflix movies: After last year's controversial decision to let Bong Jun-ho's Okja and Noah Baumbach’s The Meyerowitz Stories run in the official competition, Fremaux has announced that Netflix movies will only be able to be showed out of competition. The Cannes Festival director said he knew the decision was controversial but was afraid the established directors would premiere their movies at another festival.
Fremaux also thought that Netflix would bend their rules for the festival: "Last year, when we selected these two films, I thought I could convince Netflix to release them in cinemas. I was presumptuous, they refused." At the time, Netflix tried to secure temporary permits to screen the films for less than a week in France, day-and-date to their online releases. That move wasn't permitted because of France's strict chronology laws and the two sides couldn't reach an agreement. This resulted in the festival having to change their rules, the movies shown in competition will now require a theatrical release in France.
Source: 1 & 2