After some time of playing on my Survival server, inventory gets bugged. I can't move anything or craft; it acts as if I was Shift-clicking. I always have to exit Minecraft and launch it again. Not tested on Creative or Survival Singleplayer.
Linked issues
duplicates 2
Comments 3
MC-886 is about all kinds of stuck keys, check out the various duplicates of it.
Duplicate of MC-886.