Yes, there are cubic chunks mods https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/wip-mods/2792887-cubic-chunks-mod-almost

Yes, there are cubic chunks mods https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/wip-mods/2792887-cubic-chunks-mod-almost-infinite-world-height-and https://www.minecraftforum.net/forums/mapping-and-modding-ja...