The /difficulty command can still be used after locking the world difficulty using the menu option.
Environment
Windows 8 x64
Linked issues
is duplicated by 7
2 more links
Comments 4
Technically, this is not a bug. Also, I have noticed the difficulty unlocked, but no longer does that.
Quite likely Working As Intended. Cheats can be used to override world settings, and the /difficulty command cannot be used unless cheats are enabled on that world.
Intended.