It's official. BUT:

Manafort's deal means that jurors and the public may not hear some details about Manafort's activities on behalf of the pro-Kremlin government in Ukraine and his ties, financial and otherwise, to oligarchs in the region.

This, in turn, may endear him to President Trump, who has already called Manafort a "good man" who has been unfairly targeted by the Justice Department. Trump has raised the idea of a pardon for Manafort with White House aides and others, a source told NPR.

https://www.npr.org/2018/09/14/643073024/paul-manafort-to-plead-guilty-in-agreement-to-avert-a-second-federal-trial