No. The dossier has neither been discredited nor substantiated. It was Republican opposition research (I don't think we know what candidate or group funded it)

No. The dossier has neither been discredited nor substantiated. It was Republican opposition research (I don't think we know what candidate or group funded it) and then was later picked up by someone connected to Hillary Clinton after the Republican primary was over. AFAIK, there's no more or less reason to believe it now than there was when it first came out.