Put the summary of the bug you're having here

What I expected to happen was...:
If i press on F3 there will be cords in the screen as always...

What actually happened was...:
There was NO X, Y, and Z cord in screen.

Steps to Reproduce:
1. Press F3 (in 1.8)

Using an another client?
NO ! I'm using VANILLA minecraft - No MODS no HACKS. Only Minecraft

Does it works on other versions?
YES IT DOES!
On the 1.7.10 version in works and lower too...
It works also for survival mode!