I've been using it since beta, and I've seen it once. After three years and 48 pages of community feedback, technology finally advanced far enough to implement

I've been using it since beta, and I've seen it once. After three years and 48 pages of community feedback, technology finally advanced far enough to implement the incredibly complex feature of preventing duplicate songs in a playlist: https://community.spotify.com/t5/Implemented-Ideas/Way-to-prevent-duplicates-in-playlists/idi-p/253#comments https://community.spotify.com/t5/Implemented-Ideas/Way-to-pr...