I've tested this feature in both FireFox 39.0 and Pale Moon 25.5 using the latest Adobe Flash Player (18.0.0.203) and the feature does not prevent the next video from loading upon playback completion.
This feature is working flawlessly in the standalone add-on "NextVid Stopper for Youtube".
I've tested this feature in both FireFox 39.0 and Pale Moon 25.5 using the latest Adobe Flash Player (18.0.0.203) and the feature does not prevent the next video from loading upon playback completion.
This feature is working flawlessly in the standalone add-on "NextVid Stopper for Youtube".