Add an indicator for watched videos on YouTube. Use GM menus to display history statistics, backup history, and restore/merge history.
< Rückmeldungen auf Mark Watched YouTube Videos
Scrolling Page I need to switch tab Mark will be effective. If you don't switch the label, the mark will not appear.
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Scrolling Page I need to switch tab Mark will be effective. If you don't switch the label, the mark will not appear.