Unreal Engine Issues

Light Mixer crashes on transform context menu

Originates from UDN [Link Removed] ...

Crash in WorldPartition when creating cyclic references in LevelInstances

Crash when closing a connection from listen server when using

Assert when having too many VR devices

Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...

Crash when ribbons use delayed spawn particle as source.

User has found bug but has a working fix. Verify fix and implement in engine. ...

Crash on LinkerLoad trying to load font on the render thread

Assertion failed: FPlatformTLS::GetCurrentThreadId() == OwnerThread [Link Removed] [Line: 4641] Callstack: > UE4Editor-CoreUObject-Win64-Debug.dll!FLinkerLoad::Serialize(V, Length) Line 4641 C++ ...

Match3 crashes on device after locking and unlocking the screen on iOS

Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...

Crash from generated Merged Actor with no created lightmap UV

If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...

Crash when double clicking a level in Content Browser to open it

Crash when after playing media that requires a different conversion shader

The pixel format conversion code in MediaTextureResource is currently reusing the global bound shader state for different pixel shaders. This is not supported. There needs to be one shader state per ...