I'll start with the good: the combat was really satisfying although one dimensional and a little too easy, the parkour was easy to do and felt pretty smooth but at times was frustrating, I really liked Connor as the main protagonist and thought the relationship with him and Haytham was pretty cool. The story was also pretty well written although a tiny bit basic.
The bad: The ending was annoying af having to climb and find what triggers the cutscenes which just took way too long and felt like an absolute horrible chore, the combat was really easy and mostly just pressing O and then square, the parkour although it was easy felt really janky at times, the stealth was god awful to the point where I could be hiding around a corner, whistle and he doesnt hear me, and then having to go around the corner to quickly kill him and he instantly spots me. Also, the modern day was kinda just ok and didn't really add anything for me.
Overall, the game is actually really fun and pretty overheated especially Connor. Definitely not my favorite Assassin's Creed but DEFINITELY not the worst like a lot of people are saying. Solid game that I'd give between a 7-7.5 and would recommend if you like Assassin's Creed