Having not heard about this movie until right now, I thought I'd go searching but really all I needed was Wikipedia, which has a really long article on it: https://en.wikipedia.org/wiki/Megalopolis_(film)
> Coppola adopted an experimental style that permitted improvisation during the shoot by letting actors write scenes and himself make spontaneous changes to the script. These methods proved divisive, leading to the resignation of the art department and visual effects team, among others, and raising comparisons to Coppola's history of challenging productions
> Wong has an unusual approach to film making, starting production without a script and generally relying on instinct and improvisation … cast are given a minimal plot outline and expected to develop their characters as they film
Edit: Yes:
> the director has shared a list of 19 movies that inspired Megalopolis … Wong Kar-wai's Chungking Express. [2]
[1]: https://en.m.wikipedia.org/wiki/Wong_Kar-wai#Method_and_coll...
[2]: https://movieweb.com/megalopolis-director-reviews-his-own-mo...
Wong Kar-wai uses improvisation to explore characters and emotions to help write the story. Whole narratives can change based on the actor’s acting.
See: Tony Leung explaining how his character in WKW’s Happy Together changed drastically after a week of filming: https://youtu.be/KkNBh24cLvo&t=2m45s (it’s just 20 seconds)