Doha to GRU and EZE announced today and posted on another site (thanks for use of the data).
EFF 30MAY
QTR921 - DOH ETD 0300LT - ETA GRU 1700LT - ETD GRU 1840LT - ETA EZE 2130LT - Daily - 77L
QTR922 - EZE ETD 0035LT - ETA GRU 0325LT - ETD GRU 0440LT - ETA DOH 1840LT - Daily - 77L
Once again, thanks to the original source. Great news for Qatar!