We'd like to help. Make sure you select 'Notify Subscribers' under Advance Settings before you publish your videos. Also, please ask your subs to check their notification settings: https://yt.be/help/qF2u . Hope this helps.
@TeamYouTube I just uploaded a video and subscribers with notifications on to my channel didn't get an alert
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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