Blade Runner isn’t supposed to be an adaptation of Do Androids Dream of Electric Sheep though. It merely takes inspiration.
I haven’t seen 2049 yet, but apparently, Villenueve directed it (the same guy who directed Arrival). In Arrival, he more or less stuck to the source material and only diverged in making the universe free will-based instead of deterministic. My biggest takeaway from Blade Runner: I:B should have some cyberpunk aesthetics.
Speaking of movies, IT was pretty good. People call it horror, but it’s more like a dark, surreal, violent fantasy.