I've been having this problem for a little over a year now. Whenever I tweet someone, quote their tweet, rt or like their tweet, they never get notified. It won't appear in their mentions and it's pretty frustrating. I've tried deleting the app and I also have deactivated my account but it has never solved the problem. I've also contacted Twitter support and they do nothing about it.
People can't see me in their mentions on Twitter
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