Moving items before and after switching to the Survival inventory tab desyncs the hotbar
The bug
In Creative mode, the hotbar sometimes becomes desynced if an item is moved immediately before and after switching to the inventory's Survival tab.
To reproduce
Note: Steps 1-4 must be performed in quick succession.
- Open the Creative inventory (but not the Survival tab)
- Place an item into your hotbar
- Switch to the inventory's Survival tab
- Move the item to a different slot
- Exit and rejoin the world
→
You now have two of the item