Saw this twice in theaters, once in Dolby and once in DBox.
Loved it. Although I enjoyed the first as well, this one was better. I love the whole regular people VS gods/super-powered beings theme so I really enjoyed the ending. I remember loving that about the first one - seeing Harley go face-to-face with Enchantress. Reminded me of Akira's regular human VS a god, or more recently The Boys having regular dudes up against superheroes.
In some ways, this seemed a lot like the first, but better made (thinking of all the pop-music embedded scenes). My favorite scene is probably the Harley escape. Funny and artistic at the same time. I don't get why they tried to distance this one from the first one. Yeah, that one was poorly received by online audiences and critics, but general audiences enjoyed it (based on cinema score and incredible box office legs). The reception at the screenings I went to for the first movie people really seemed to enjoy it.
I think trying to be both a fresh start for people that didn't like the first one, and a followup for people that did, doesn't make sense. This is obviously a sequel that exists in the DCEU universe - the same one Snyder movies, Shazam!, Aquaman, etc... take place in. What is so wrong with being up front that the movie takes place in that universe but is a different approach? They got too cute trying to market this as a reboot and instead confused people with the title that made it seem like this was a re-release.