The Beastars anime follows the manga quite well. It manages to capture the key elements and character developments from the manga. Although there are some differences here and there, they don't significantly impact the main narrative.
The Beastars anime mostly follows the manga, but it might cut out some minor details or characters for time. The art style could also vary slightly to fit the animation medium.
Yes, the Beastars manga has come to an end. It left fans with a memorable and impactful conclusion that tied up the various storylines and character developments.