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This script helps watching playlists. It tracks the last video from a playlist that you've watched on this computer.
< YouTube: playlists playback trackerについてのフィードバック
Hello, rokoe. Thank you for your report. Could you please help me fix the user script? Maybe you could provide a screenshot of what's going wrong when you try to use the script? Are there any errors in the browser console? You can filter console output using [playlist tracker].
Doesn't work any longer