Animator sometimes become slow motion by itself. And I checked my code ,never set the animator speed , and I checked the speed in the animator inspector, it`s 1, but the speed become very slow . And I try to change the speed in the inspector , but has no effect. the animator works well at the beginning, maybe 1 min later or 5 min later or never , it become bad . Not Fixed. However, my project works well in 5.1.2 , the problem occur when i update to 5.2.2 @Mecanim.Dev
It not something that we are aware off, please log a bug and we will investigate