Muhammad ﷺ was sent after the succession of earlier Prophets. After his mission there will be no addition of another Prophet to that succession.
Chronological finality means that the earlier Prophets were sent in their respective eras, Muhammad ﷺ came last, and the succession of prophethood ends with him.
There is no exception to this meaning of being the last Prophet.
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Final Prophethood and the Universal Messenger
Muhammad ﷺ was sent after the succession of earlier Prophets. After his mission there will be no addition of another Prophet to that succession.
Chronological finality means that the earlier Prophets were sent in their respective eras, Muhammad ﷺ came last, and the succession of prophethood ends with him.
There is no exception to this meaning of being the last Prophet.