Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Linux crash - /usr/lib64/opengl/nvidia/lib/libGLX_nvidia.so.0
UE - Platform - Linux - Jul 20, 2017This is a common Linux crash that has occurred since at least 4.14. ...
VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)
UE - Platform - XR - Feb 9, 2018Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Navmesh generation doesn't work with Retopologize tool
UE - AI - May 15, 2018When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...
When changing a variable of a component in an attached Actor, the variable becomes read-only
UE - Gameplay - Aug 1, 2018Changing a variable of a component with an instance of BP derived from StaticMeshActor or SkeletalMeshActor attached to another actor will cause that variable to be read-only. It did not reproduce w ...
CreateProxyObjectForPlayMontage does not report if cannot play
UE - Anim - Rigging - Nov 15, 2018UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...
Niagara Ribbons using Two Sided materials are incorrectly lit
UE - Niagara - Apr 15, 2019Two Sided materials are lit incorrectly on Niagara ribbons. The sides will be flipped of how they should be. ...
UDistributionFloat member resets to null upon Blueprint Compile
UE - Gameplay - May 14, 2019A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...
Skeletal Meshes have physics collisions lag
UE - Simulation - Physics - Oct 2, 2019Skeletal mesh's physics collision lag behind the actual mesh. It didn't matter if there was just a root bone or multiple bones/constraints. This doesn't happen when using static meshes. The effect ...
Incorrect Manual Focus Distance from eye dropper
UE - Anim - Sequencer - Oct 17, 2019The Debug Focus Plane in the CineCameraActor does not appropriately respond to mouse input and position when the Manual Focus Distance is set using the eye-dropper. Tested in 4.21.2 (CL - 4753647), ...