Unreal Engine Issues

GeometryCollectionComponent take +1 frame to be marked as dirty

Debugging the code I have been able to verify that in GeometryCollectionComponent.cpp line:2318, the if condition happens every two frames. I think DynamicCollection is not setting all the frames a ...

Issue with Niagara MeshRenderer

Cloth painting - Camera movements are broken once leaving the painting tool.

Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...

Assert when toggling RHIThread

Landscape renders black when baking with GPU Lightmass

A user encountered an issue with Landscapes not rendering once baked with GPU Lightmass. The user was using Ray Tracing. If using normal CPU Lightmass baking, landscape remains the same. ...

PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node

PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node. ...

Horde can create multiple users with the same Perforce account

Users note seeing multiple accounts being added to Horde's user collection with the same account details. ...

Pie startup optimization: UWorld::PostDuplicate::ValidateTextureOverridesForPIE optimization

Here is a snap shot of the propose UDN change: TRACE_CPUPROFILER_EVENT_SCOPE(ValidateTextureOverridesForPIE); TSet<UMaterialInterface*> ProcessedMaterials;TArray<UPrimitiveComponent*> Components; ...

In some situations, a Blueprint can become devoid of an Event Graph. While no graphs are present, multiple variables can be created with the same name.

In some situations, a Blueprint can become devoid of an Event Graph, or be created without one from the start. For example, function "FKismetEditorUtilities::CreateBlueprint()" in UE 5.4 does not ca ...

PrimitiveSceneProxy CreateSceneProxy override not working in 5.4

Overriding CreateSceneProxy function from PrimitiveSceneProxy for a custom class no longer renders in 5.4 even though the same code is working in 5.3. ...