Minecraft Username: BrokeMel

Brief Description: When commands are blue, typing a "/" in your chat box gets you kicked immediately without even pressing enter.

Instructions: Join a 1.12 server to fix autocomplete and make commands blue. Rejoin main and open up chat starting with a "/"

How many times did you recreate this?: a few

Result: You are kicked as soon as you type the "/"

Expected Result: You can type commands and not get kicked