I update my project from Unity 2017.1.1 to 2018.3.9 and almost everything is OK except UIs. All of UIs like Images,Buttons,texts,text mesh pro, sprites and others looks very sharpy and pixel pixel ...
please see the attached image :
Unity3D 2017 before update :
Unity3D 2018 after update :
why this happens ? and how can I solve this problem ?