HBO Max launches on May 27 with a massive library including Criterion Collection movies, Warner Media titles, and so many more.
— Read on nerdist.com/article/hbo-max-complete-movie-library/
Netflix has a Media Center site that includes blogs and press releases with RSS feeds for both. Content includes trailer and new show announcements, info about app and platform changes, and more.
Press Releases and Blogs | Netflix Media Center – https://media.netflix.com/en/releases-and-blogs
MovieWeb: Apocalypse Now Final Cut Trailer: The Coppola Classic Returns to Theaters in August.
Everything coming to Amazon Prime Video in April 2019 :: Mashable
What’s coming to Netflix in April 2019 :: Mashable https://mashable.com/article/netflix-april-2019/