A television or newsstand special about an actor, politician, or other celebrity will present a retrospective of the subject's career highlights.
[citation needed] A leading (usually elderly) academic may be honored with a Festschrift, an honorary book of articles or a lecture series relating topically to a retrospective of the honoree's career.
[citation needed] Celebrity roasts good-naturedly mock the career of the guest of honor, often in a retrospective format.
[14] The term is used in situations where the law (statutory, civil, or regulatory) is changed or reinterpreted, affecting acts committed before the alteration.
An in mitius change may alleviate possible consequences for unlawful acts (for example, by replacing the death sentence with lifelong imprisonment) retroactively.