Unreal Engine Issues

ChaosCacheManager is not properly recording the state of each particle when toggling Fields and Anchor Fields in the scene.

ChaosCacheManager is not properly recording the state of each particle when toggling Fields and Anchor Fields in the scene. During my investigations I've noticed that ChaosCacheManager does not reco ...

Blueprints breakpoints in a For-Loop stops execution only once when the blueprint asset is from a project template

This issue occurs when placing a breakpoint inside a loop in a blueprint's Event Graph or Function Graph. The breakpoint is only triggered once, even though the loop should continue executing. When ...

A GeometryCollection that was broken and is going through shrinking will reset the size of its particles if a second level is broken

Might relate to issue [Link Removed] - "The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors" The added information on this particu ...

DBuffer decals in mobile multi view flicker in left eye

A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning - USimpleConstructionScript::FixupRootNodeParentReferences()

A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning in USimpleConstructionScript::FixupRootNodeParentReferences(): USimpleConstructio ...

Actor foliage does not respect "foliage.CullDistanceScale"

Actor foliage does not respect the "foliage.CullDistanceScale" console variable. This was brought up in a UDN: [Link Removed] ...

Ghosting effect of fast moving objects in Lumen

In Standalone mode, when reading world partition actor descriptors for BP actors, "bIsSpatiallyLoaded" receives its value from the native base class instead of the BP class, so BP actors are loaded/unloaded based on the wrong condition.

Consider an actor defined in C++ with "bIsSpatiallyLoaded" set to true (the default), and a derived blueprint that overrides "bIsSpatiallyLoaded" to false. Now consider an actor instance of that blu ...

The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors

The Remove-On-Break (ROB) feature, set on Fracture Mode on Geometry Collections (GC), was supposed to make the particle shrink until it vanishes. When the GC goes to sleep the shrinking stops and sh ...

Level Instance desaturation effect does not respect occlusion when the selected object is occluded by a Nanite mesh

When selecting an asset in a level instance that is being edited via LevelInstance/Edit, the silhouette of the object is visible through occluding nanite meshes. This has the effect of disabling th ...