Fuchsia is an operating system currently being developed by Google. It first became known to the public when the project appeared silently on GitHub in August 2016 without any official announcement.
For a long time it seems this project Google have stopped working on this project as there were no progress updates. until Yesterday when Google pushed up an official documentation site at fuchsia.dev, with instructions and details that can help developers play with the early operating system and its software.
The site does not contain anything that was not already known, but makes things much simpler by acting as hub of information regarding Fuchsia