4 ms·I think the short lifespan is a big part of why no body supported it. It only lasted one generation.by jacooper 4y agoI think the short lifespan is a big part of why no body supported it. It only lasted one generation.sgerenser 4y agoOne generation? The new 13” MacBook Pro with M2 still has it.jacooper 4y agoIts still the same designmlajtos 4y agoTouch Bar had one revision, so two versions. First with software Esc key, second has hardware Esc key.