Aside from missing the characters that have taken a bow in the series finale, many anime fans are sure to miss the swerves and unexpected moments that populated the series from creator Hajime Isayama.

Source: https://comicbook.com/anime/news/attack-on-titan-eren-jaeger-doomsday-titan-explained/

As you can see below, the art was released by Hajime Isayama recently in Japan.

Source: https://comicbook.com/anime/news/attack-on-titan-season-4-happy-ending-eren/

Attack on Titan might have brought its manga to an end a few years back, that isn't stopping creator Hajime Isayama from taking the opportunity to return to his masterpiece.

Source: https://comicbook.com/anime/news/attack-on-titan-the-final-season-series-finale-new-look/

For a short time between 2017 and 2019, during the serialization of the Marley and War for Paradis arcs, Isayama used to call Reiner his favorite.

Source: https://www.cbr.com/hajime-isayama-aot-creator-fun-facts-trivia/

So when looking back, you can understand why Isayama may want to make story tweaks here and there.

Source: https://comicbook.com/anime/news/attack-on-titan-manga-changes-ending/

That's how I felt when I read Hajime Isayama, creator of "Attack on Titan," revealed that one of his influences for the manga was M. Night Shyamalan's "The Village."

Source: https://www.slashfilm.com/1212453/attack-on-titan-was-inspired-by-m-night-shyamalans-the-village/

While Isayama described his recent work as "awkward," it is, in fact, this unaffected awkwardness that lends authenticity to the story, which would've otherwise been tricky to pull off without this distinctive characteristic.

Source: https://www.slashfilm.com/1227612/isayama-created-attack-on-titan-at-19-as-a-prototype/