In-short conclusion—Whatsapp service or its 45-days deletion policy doesn’t seem to have a bug. For detailed logical explanation, please read below.
An Amazon employee earlier today tweeted details about an incident that many suggest could be a sign of a huge privacy bug in the most popular end-to-end encrypted Whatsapp messaging app that could expose some of your secret messages under certain circumstances.
According to Abby Fuller, she found some mysterious messages on WhatsApp, notably not associated with her contacts, immediately after she created a new account with the messaging app on her brand new phone using a new number for the very first time.

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