Howdy, iam Gregg Williams, Buongiorno.

What Have Changed Or What Has Changed? [Solved]

“Things Have Changed” is correct because “things” is plural and therefore conjugates with “have”. You would say “something has changed” because something is singular.

Taylor Swift - Everything Has Changed ft. Ed Sheeran

Music video by Taylor Swift performing Everything

Bob Dylan - Things Have Changed (Official HD Video)

Official HD Video for ”Things

A Lot Has Changed | Sharon Mundia

A Lot