Kadokawa has announced (http://steinsgate.tv/blog/2017/07/28/000185.html) a
Steins;Gate 0 anime as part of its "
Steins;Gate World Line 2017-2018 Project," which will consist of various
Steins;Gate-related projects.
(http://gematsu.com/wp-content/uploads/2017/07/Steins-Gate-0-Anime_07-28-17.jpg)
The company also announced that it wiill rebroadcast the original
Steins;Gate anime in Japan in October. Furthermore, there will be a
Steins;Gate 0 manga in Young Ace, as well as a novelization from Sneaker Bunko.
Source: Steins;Gate 0 anime announced - Gematsu (http://gematsu.com/2017/07/steinsgate-0-anime-announced)