Denis Villeneuve is the man!
There’s only one word that came into my mind after watching it: finally.

Finally, a blockbuster that isn’t afraid to be primarily driven by drama and tension, and doesn’t undercut its own tone by throwing in a joke every 30 seconds.
Finally, a blockbuster that puts actual effort in its cinematography, and doesn’t have a bland or calculated colour palette.
Finally, a blockbuster with a story that has actual substance and themes, and doesn’t rely on intertextual references to create a fake sheen of depth.
Finally, a blockbuster that doesn’t pander to China by having big, loud and overblown action sequences, but relies on practical and grounded spectacle instead (its got big sand worms, you really don’t need to throw anything at the screen besides that).
Finally, a blockbuster that actually feels big, because it isn’t primarily shot in close ups, or on a sound stage.
And of course: finally, a blockbuster that isn’t a fucking prequel, sequel, or connected to an already established IP somehow.

(Yeah, I know _Tenet_ did those things as well, but I couldn’t get into that because the characters were so flat and uninteresting).

This just checks all the boxes. An engaging story with subtext, very well set up characters, great acting (like James Gunn, Villeneuve's great at accentuating the strengths of limited actors like Dave Bautista and Jason Momoa), spectecular visuals and art design (desaturated but not in an ugly washed out way), pacing (slow but it never drags), directing, one of Hans Zimmer’s best scores: it’s all here.
I only have one real criticism: there’s too much exposition, especially in the first half.
It can occasionally hold your hand by referencing things that have already been established previously, and some scenes of characters explaining stuff to each other could’ve been conveyed more visually.
Other than that, it’s easily one of the best films of the year.
I’ve seen some people critiquing it for being incomplete, which is true, but this isn’t just a set up for a future film.
It feels like a whole meal, there are pay offs in this, and the characters progress (even if, yes, their arcs are still incomplete).

8.5/10

I can see two things happening from now on.
Either people will go and see it, and they’ll reject it because it’s too weird and has too much of an artistic bend.
Or people won’t even bother because it isn’t a prequel, sequel or part of an established IP.
In any case: I don’t see this getting a straight up sequel with at least some commercial consessions.
But even if that happens, at least we’ll always have this one.
Similar to the book, its biggest achievement will hopefully come from all the stuff it’ll inspire for the future.