Canvas position becomes broken in Unity 5.2.1 p4 and p3

UI UGUI
1

Hi Unity Dev

We found that the same canvas was working perfectly in 5.2.1f1.
But when we update to p3 and p4, all positions of UI inside canvas are wrong

May I know if it is a known issue?

Thanks

2

Do you have a sample repo of your issue. Have you already raised it as a bug using the Unity bug reporter?