I saw same concept glithes on this site, but never saw this one. I uploaded all information about it on my channel: [channel|https://www.youtube.com/@magicverse-7982]
Linked issues
duplicates 1
Comments 2
Duplicate of MC-240720.
It can not; clientside only, server correctly has both items set to the proper stacks.
And it also works on servers such as cubecraft. There is no server that has fixed it. I think it can be used like exploit to climb up walls and clutch with this shadow items.