I’m using JS v3.0 Final version. cc.Scale9Sprite in IE11 is overlapped. Below is the comparson of cc.Scale9Sprite displaying between IE11 and Chrome.
In Chrome: 
In IE11: 
Everytime the Scale9Sprite is shown, it overlapped itself.
I’m using JS v3.0 Final version. cc.Scale9Sprite in IE11 is overlapped. Below is the comparson of cc.Scale9Sprite displaying between IE11 and Chrome.
In Chrome:
In IE11:
Everytime the Scale9Sprite is shown, it overlapped itself.