What is the point of Linux updates?

• Ubuntu 22.04, codenamed Jammy Jellyfish, was released on 21 April 2022.
• It was followed by Ubuntu 22.10 Kinetic Kudu on 20 October 2022.
• It was followed by Ubuntu 23.10 Mantic Minotaur on 12 October 2023.
• It was followed by Ubuntu 25.04 Plucky Puffinnwas on 17 April 2025
• It was followed by Ubuntu 25.10 Questing Quokka on 9 October 2025

All Linux distros keep publishing new versions: Fedora, Mint, Debian...

Yet strangely, I don't notice any change. I'm just a normie user. It seems only computer nerds understand why the new versions are "game changers"

Apart from "increased security", what is actually the point of these releases?