The best solution I managed to get it working is this, but there are like 200 songs that does not recognize and I can't login to Ubisoft servers any longer... but at least I managed to play 922 songs, sometimes it recognizes 933 ... some other 922... weird shit. (you have to apply the old patch to make this version works. Yes, 64bit is out of beta. CDLC broken for all Mac users - Catalina or not, beta or not. Must roll back to keep CDLC working - if you don't have a local backup do this: Open steam://open/console Type download_depot 221680 221682 4859621902623758730 Wait quite a loooooong time Move the files from obscure location (steam console will tell you where) to the usual place Rerun the patch