In UE4.17 , reflection in shading model 4 (Under setting > preview rendering level > SM4) was working absolutely fine.
But recently after downloading UE4.18 reflections are misbehaving as shown in screenshots but problem is only in Shading Model 4 not Shading Model 5.
I thought my pc have some issues so I tried it on my friends pc and same problems was encountered in SM4 but in SM5 works fine.
I have quite an old PC(don’t laugh at it!) Xeon E5440 (quad core 2.83GHz), ECS G31 board , 4Gb ram and Nvedia 8400gs, which only supports Shading Model 4. You might say this hardware is incompatible but it works perfect for learning purpose till UE4.17, right now I don’t have any plan to upgrade my pc because I am a student.
Before I knew the root cause of the problem I posted my problem at
Build 4.17 (SM4):