facelift
n.a major change or improvement to something that makes it look or feel new. It can also mean a surgical procedure to make a person's face look younger.
n.a significant improvement or renovation that restores a sense of newness or modernity to an object or system. In a medical context, it refers to a cosmetic surgical procedure to rejuvenate the facial appearance.
“The hotel got a complete facelift last year.”
“After the software update, the user interface received a much-needed facelift to match modern design standards.”
“The aging infrastructure of the city's downtown required a comprehensive facelift to attract younger residents and stimulate economic growth in the historic district.”
From face + lift.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.