Unreal Engine Issues

Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

Spline Mesh Component created from KML file doesn't render in PIE after spline point change

Spline Mesh Component created from KML file doesn't render in PIE after spline point change I cannot get this to occur outside of the users test project. He is pulling data from a KML file, creatin ...

MS_VertexAnimationTools_MorphTargets are not deforming and reforming

The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...

Chaos Cloth - Visualization materials cause async load flush and slows down starting a PIE session.

The loading of the cloth visualization materials disturbs async loads shortly after starting PIE which causes an async flush and several seconds stall. The solution would be to move these to a sing ...

Thin translucent doesn't work with separate translucency and Before-DOF

In-app purchase fail node does not execute properly without network connection

In-app purchase failure nodes do not execute when there isn't any connection. ...

Characters using NavWalking on server have noticeable jitter on clients at lower framerates

AI nav walking doesn't allow clients to set a "Base" for the character (SetBase from UpdateFloorFromAdjustment), so there is no floor result on frames where there is a net update. This causes simula ...

Tessellation used on BSP causes severe graphical glitches on AMD cards

Tessellation used on BSP causes severe graphical glitches on AMD Radeon 200 Series cards. The Licensee also mentioned it occurs on the Nvidea GTX 970 (not tested) ...

Rendering glitch when launching on Android

https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...

ContentExamples: ParallaxOcclusionMapping "BumpOffset" is one word in multiple locations

According to documentation, Bump Offset is 2 words. There are 2 displays that contradict this https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/BumpOffset/ ...