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full-screen-api.macos-native-full-screen wont appear in about:config and I can't remove those black bar around the video and it makes me really annoyed

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TyDraniu replied
an heavy main
an heavy main

tell me how to access it or give me a alternative please

tell me how to access it or give me a alternative please
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TyDraniu
TyDraniu
  • Top 10 Contributor

This pref is for Mac, you have Windows 10. It won't help you.