Is there an existing feature request for this?

• I have searched the existing issues

Describe what you would like added or changed

First off, if the issue is with ES, then I'm sorry for bothering you. It would be amazing to have Railcraft Loaders/Unloaders recognize ES upgraded chest carts as a valid container to insert into/extract from.

This mod: https://www.curseforge.com/minecraft/mc-mods/expanded-storage ?

This mod: https://www.curseforge.com/minecraft/mc-mods/expanded-storage ?

Exactly^^

I just contacted the mod developer, let's see what he/she says

It will be fixed in the next version of Expanded Storage

Thanks for all your efforts^^