When you use "/say @p, Welcome to my World" or "/say Welcome to my World, @p!" only @p is printed into chat. It only works if you use @p alone and leave a space behind it.
Linked issues
Comments
kumasasa
Relinking to MC-10880
Duplicate of MC-9895, please use the search function to see if your bug has already been submitted. Currently over 51% of tickets are being closed as duplicate.