Car and Driver just did an article discussing the Mustang’s improvements. Apparently the pressure SUV sales is putting on car models makes Ford role out every new improvement it can design immediately, so the model is constantly seeing upgrades and not waiting for new cycles or mid-cycle refreshing to incorporate improvements.
The article is well worth a read.
https://www.caranddriver.com/features/a34224423/not-all-cars-are-going-extinct/