Unreal Engine Issues

Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash

Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...

Compile 'Note' on BP Interface events

Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...

Indirect Lighting Cache causes Flickering on Skeletal Meshes

Indirect Lighting Cache is causing the Indirect Lighting for Skeletal Meshes to flicker. I have attempted both ILCQ Volume and Point cache qualities, and it seems Point produces the most exaggerate ...

[CrashReport] UObjectBaseUtility::GetOutermost | FArchiveInvalidateTransientRefs::operator<<

This is a somewhat common crash affecting users in 4.17. They have not provided any descriptions of their actions when the crash occurred. Source Context 110 /** 111 * Walks up ...

Static mesh's material slot's cast shadow does not require a build of StaticLight

If static mesh's material slot's cast shadow is changed, UE4 does not show "LIGHTING NEEDS TO BE REBUILT". I solved it with the following fixes. StaticMeshEditorTools.cpp void FMeshSectionSettin ...

Cannot run any packaged project if "Force all skinned meshes to recompute tangents" has been enabled in an unrelated project

Enabling the "Force all skinned meshes to recompute tangents" sets the value at a Windows user level so that it affects all UE4 projects opened by that user, including unrelated packaged projects. T ...

Cannot get CookedFFTData from an Audio Component in a packaged build

When trying to get CookedFFTData from an audio component in a packaged build it fails despite working in the Editor. This also occurs when you package the project from File->Package Project->Windows ...

[CrashReport] UnrealEditor-Engine!SkeletalDebugRendering::DrawBonesFromPoseWatch(FPrimitiveDrawInterface *,FAnimNodePoseWatch const &,bool) [SkeletalDebugRendering.cpp:213]

Generated from CrashReporter 1 user reported: "Crash when using "Toggle watch pose" in any node of the animation blueprint. The crash happens when you save the ABP after enabling toggle watch pose ...

MoviePipeline: DWAA compressed EXRs don't support 32-bit images

When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.

The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...