Unreal Engine Issues

Lumen ignores Landscape Holes (Landscape Visibility) when Hardware Ray Tracing is enabled and Ray Lighting Mode is set to Surface Cache

Context Lumen is the default global illumination and reflections system. Lumen renders diffuse interreflection with infinite bounces and indirect specular reflections in large, detailed environments ...

Editor crashes on blueprint open when shortcut key is implemented through code

Editor crashes on blueprint open when shortcut key is implemented through code inside of the BaseEditorPerProjectUserSettings.ini. Code used in repro is directly from Jeff W suggestion in the forum ...

[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]

Comment from user in crash groupTried to delete frames in an animation ...

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter(). The licensee has provided a txt file that contains the ...

Physics Bodies for bones that are scaled in the Anim Graph are not scaled properly in game

Physics Bodies for bones that are scaled in the Anim Graph are not scaled properly in game. This seems to cause a jittering effect when simulating bodies. User Description: I blend physics into th ...

[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1662]

This is a common crash affecting users in 4.16, and has occurred since at least 4.14. User DescriptionsI was copying and pasting a Geometry Box and then the client just crashed.I was trying some st ...

Compute shader TAADilateVelocity crashes on macOS

Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...

PSO Creation hangs on task in Shipping build

Running with `r.AsyncPipelineCompile=0` causes the issue not to happen. It fails to open about 4 times out of 5. No such problem in development build., it always succeeds. We noticed that if we de ...

FBoneContainer::MakeMeshPoseIndex crash (out-of-bounds array)

UPoseAsset::SetBasePoseName() always sets INDEX_NONE

UPoseAsset::SetBasePoseName() does not correctly set the BasePoseIndex when a valid pose name is provided. Regardless of input, the pose defaults back to ReferencePose. Upon inspection of the implem ...