Am on a Mac playing along via Steam, successfully using both CDLC from others and CDLC that I've created myself.  Am finding that new CDLC is a bit slow to appear in the list of songs, or that songs I've played in the preceding days is missing, despite multiple RS and Steam restarts...eventually the missing CDLC seems to return.   Does anyone have a handle on what/how Steam is doing when determining which content is available/new?   I decided to "play offline" a few days ago when I was testing p