Yes.
https://www.foxnews.com/politics/2018/08/17/judge-in-manafort-trial-says-hes-been-threatened-over-case.html
And
CNN, NYT AND OTHER NEWS OUTLETS ASK MANAFORT JUDGE TO RELEASE JURORS’ NAMES, ADDRESSES
https://dailycaller.com/2018/08/17/cnn-nyt-manafort-jury-names-addresses/
No specifics.
''U.S. District Judge T.S. Ellis III, in rejecting the motion, argued that he's confident the jurors would be threatened as well if their information were to be made public.
“I can tell you there have been [threats]. … I don't feel right if I release their names,” he said, adding that because of threats against him, “The Marshals go where I go.” ''
Threatening him to get him to dox the jurors, most likely, that would change the outcome.