Remove (using Hide) watched videos from YouTube subscription page.
What It Does.
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Removes videos permanently from your YouTube subscriptions list if they have been 90% or more watched. Videos are removed using the "Hide" functionality and, as far as I am aware, this cannot be undone.
Testing
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Windows
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* Chrome: Tampermonkey
* Firefox: Greasemonkey, Tampermonkey
Mac
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Looking for testers.
