Flightning99

@Tokes Luckily the issue has already been labelled as resolved. We'll just have to see how it was handled in 22w18a, for if it was intentional or a complete accident 

I could be entirely wrong, but the world's inventory is used in single player. Everyone who uses a world download will have the same inventory, even if they had previously joined the world as a player on a server. 

I just had the same issue in my Server, after being Timed Out, upon rejoining I only had the Diamond Armor Advancement