Unreal Engine Issues

TakeRecorder does not add a track to a level sequence when niagara FX is spawned

In UTakeRecorderActorSource::EnsureObjectTemplateHasComponent() function, MakeUniqueObjectName() generates the same name of a component which CachedObjectTemplate for TakeRecorder has already had. T ...

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...

Instanced RepNotify variable doesn't update on client if altered in level

An instance editable Rep Notify variable will not update on Rep Notify if an instance of if is edited in a scene. A demonstration project can be found here: [Link Removed] Found in 4.22 CL#7053642 ...

Spline component that is altered in the construction script cannot be referenced by the Event Graph

A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...

unnecessary warning message regarding edge case rotations from deltagen fbx import

On Instance Take Radial Damage will not receive radial damage against Foliage

Different results in //UE4/Release-4.27 CL#18319896 On Instance Take Radial Damage will not receive radial damage against Foliage. ...

Negative values in Display 1.7 of the Math_Hall map are not graphed correctly in ContentExamples

This is a regression from 4.15.2 ...

Editor crash with virtual texture lightmaps enabled

AnimNotify does not register when used in code

NotifyQueue.AnimNotifies Does not register the notifies set in the editor. EX: NotifyQueue.AnimNotifies.Num() will always return 0 even when notifies are set ...

PhysX errors when packaging for x86

Packaging for x86 in ETC1 will generate PhysX errors and cause the package to fail. The following error will occur multiple times throughout the package:UATHelper: Packaging (Android (ETC1)): Unrea ...