A new patch for the Wii U edition of Call of Duty: Black Ops 2 addresses some longstanding Wii Remote issues. The patch, which is available now, fixes the "jittery movement" users have experienced with the Wii Remote. Meanwhile, players will now be able to turn when crouching with a scoped weapon. The full Wii U specific fix list:
Wii U Specific Issues Addressed/Features
Home Button Menu is now available in Multiplayer and Zombies when not in-game
Send text messages from the lobby and friend list menus
Wii Remote Changes
Improved presets
Buffed aim assist
Wii Remote Bug Fixes
Jittery movement
Unable to turn when crouched/prone with a scoped weapon on Wii Remote
Hybrid optic attachment stopped working after ADS on Wii Remote
Guardian and Turret unmovable when weapon pickup option is set to inventory
button
Reticle disappearing during EMP
Hunter Killer Drone does not fire in reticle direction
Crash in Strike Force tutorial
Lodestar score streak is hard to control (it now uses the control stick)
Fixes that apply to all platforms have also been introduced with the new patch. The full notes can be found on the Call of Duty messageboard.