Unreal Engine Issues

Deferring Blueprint CDO construction at load time is leading to some data loss.

Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...

Adding a track for a string property through sequence scripting causes the property track to be named "Strings"

Property tracks rely in the default display name for naming in the UI. String tracks have their own override for the default display name getter (UMovieSceneStringTrack::GetDefaultDisplayName) which ...

Construct object fails to assign a value when using the level blueprint - ConstructObject node issue

https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...

Build failed executing script TagsAndFiles.xml.

"Trigger" element has been removed from the BuildGraph, causing an error when running TagsAndFiles.xml. This problem was added in 5.0 and does not occur in UE4.X. ...

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject

Blueprints can enter a corrupted state where Actors construct DefaultSubobjects using CreateOptionalDefaultSubobject, even though child classes call DoNotCreateDefaultSubobject. In some situations, ...

Make sure GLTF importer can be call by script and blueprint

EditorCube added to the scene with a Geometry Script will have reversed normals

The work around is to use the modeling mode normal tool to regenerate normals. This appears to mainly occur on any cubes added by the "Copy Mesh from Static Mesh" Regression tested in 5.0.3 at CL 2 ...

Crash on attempt to clear(NullifyInstance) of duplicated Hierachial Instanced Static Mesh

When creating an C++ Actor with a Hierarchical Instanced Static mesh. when duplicating such an actor with mesh instances, the instances are not visible on the level. In this state, calling HISM comp ...

Level Instance Property Override: Actor::Tags overridden pre-CS but clobbered by RerunConstructionScripts with no post-CS re-apply

Summary When using the Level Instance Property Override system, overrides applied to `AActor::Tags` are silently lost for Blueprint actors whose Construction Script assigns or appends to `Tags`. The ...

Niagara - The "Apply" button on the toolbar does not get enabled when changing the checked state of an entry in "Propagated Static Switch Values" for a function call node.

Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. Now consider another Niagara Function Script or Module Script ...