Definately I agree we need at least an update to for 21.1 (1.21.1) at least as it is stable. Please update this mod! This mod is way out dated as the last update appears to be March 31 2024 today is November 10 2024.

https://www.curseforge.com/minecraft/mc-mods/ae-additions-extra-cells-2-fork/files/all?page=1&pageSize=20

AEAdditions-1.20.1-5.0.6.jar
https://www.curseforge.com/minecraft/mc-mods/ae-additions-extra-cells-2-fork/files/5225873

1.21.1 is stable we need an update for this please!