Playlists not syncing to device
Just upgraded to iPhone pro and updated to Catalina. I have Apple Music subscription. Artists and Singh’s are syncing to my device, but playlists are not.
iPhone 11 Pro Max, iOS 13
if you are using Sync Library try turning it off Off/On on the phone to force a resync of the library on the phone (selecting options to keep the music that is already there). I lost all my playlists the other day and this restored them.
if you are sync'ing manually check the settings in Finder (Music tab under your phone) whether all or selected playlists are being sync'd.