I have tried to fix this using several different versions of Carpet, Carpet fixes, and Fabric API, 2 combinations of which I know worked previously, yet no matter what combination of mods I use, I cannot get item shadowing to work. I have created an update suppressor from a schematic, and enabled reIntroduceItemShadowing, reIntroduceInstantBlockUpdates, and updateSuppressionCrashFix, and although it works for portal slicing and floating falling blocks, it refuses to work on Item Shadowing. I have also tried this with JDK 18 and JDK 17, several downloaded update suppressor worlds, a world that I had done this in previously, a modpack that I had used for this previously, using just fabric api, carpet, and carpet fixes, all of which again to no avail.

When an item is placed in the chest through hotkeys, it should create a duplicate in the player inventory, the update suppressor should fire once, and the comparator should drop yet still remain there visually. However, what happens is that it swaps normally with no shadowed item, the suppressor does not fire, and the comparator immediately drops without remaining visually.

Minecraft Version:

• 1.19
  Carpet-Fixes Version:
• v1.11.2
  Carpet Version:
• fabric-carpet-1.19-1.4.79+v220607

This is very likely an oversight on my behalf but I have been troubleshooting this for 2 days now and was about to give up. If you could help I would be extremely grateful. Thanks

I am also having this problem

Same