On May 22nd, for unknown reasons, Aether (version 1.6.4) simply stopped retrieving confirmed QSOs from LoTW. The upload works just fine and I can see that confirmations are, in fact, occurring via the LoTW website but Aether is not properly retrieving the data and updating the "Rcvd LoTW" field. I have tried everything -- deleting and re-installing the software, checking permissions, etc. -- I even requested a new certificate from LoTW just to make sure I did not have some kind of...
Aether (Mac) LoTW download problem
Aether (Mac) LoTW download problem