We've confirmed there are no related technical issues for sub counts. It's likely folks subscribing and unsubscribing naturally. Explained in detail here: https://goo.gl/6B1Eb6 . Hope this helps clarify!
@TeamYouTube YouTube is going bad for me I'm losing so many subscribers for no reason at all do you guys have this new system or something? Everytime I upload or gain a new sub it always subtracts my subcount :(pic.twitter.com/XgJrzzXf9Z
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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