Because Pluto TV is a free, legal service, the methods for getting an M3U playlist differ from traditional paid IPTV services. You generally cannot just "download an update" from Pluto TV directly; you must use third-party tools.
The open-source community often maintains updated M3U repositories. Search GitHub for "Pluto TV M3U" or "free-iptv-channels." Look for repositories updated within the last week . pluto tv iptv m3u playlist upd
The following repositories are known for maintaining updated links or providing tools to generate your own authenticated playlists: Because Pluto TV is a free, legal service,