Too Long; Didn't Read
On April 23, 2011, <a href="https://www.trustnodes.com/2017/08/12/new-satoshi-nakamoto-e-mails-revealed" target="_blank">Satoshi Nakamoto sent their final email</a>: “I’ve moved on to other things. It’s in good hands with Gavin and everyone.” They handed over the source code to the Bitcoin repository and disappeared.