Resolution: Works As Intended
Affects Version/s: Minecraft 1.8.7
Fix Version/s: None
Environment:OS: Windows 10 Build 10169
Java: Most Recent
Typing in this command in peaceful mode:
/effect [user] minecraft:hunger 1 3
should reduce the hunger bar, and it works in 1.8.3 and earlier.
In 1.8.7, however, it won't work.
I even tried changing the duration, and the level of the effect, and it still won't do it.