Comment by SushiHippie

Noteworthy that this wasn't a bug, but a "feature":

  void downloadThread::ignoreSslErrors(QNetworkReply* reply,QList<QSslError> errors) {
    // Ignore all SSL errors
    reply->ignoreSslErrors(errors);
  }

https://github.com/qbittorrent/qBittorrent/commit/9824d86a3c...