Information

Minecraft version: 1.21.4
Modloader: Fabric
Fabric loader version: 1.21.4
Environment: Multiplayer

Mod name: Shulker
Mod version: 1.5

Description

Quickly open Shulker. When you put an item in, the item will disappear when you open it again.

I'm really sorry for the inconvenience. This was a bug for 1.21.4 specifically. I have just uploaded version 1.7 of Quick Right-Click that fixes the issue.

https://www.curseforge.com/minecraft/mc-mods/quick-right-click/files