Unreal Engine Issues
Unreal Engine Issues
PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node
UE - World Creation - Procedural Tools - PCG Component - May 16, 2024PCG 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
UE - Foundation - Horde - Jul 19, 2024Users note seeing multiple accounts being added to Horde's user collection with the same account details. ...
Pie startup optimization: UWorld::PostDuplicate::ValidateTextureOverridesForPIE optimization
UE - DEET - EditorLoader - Jul 29, 2024Here 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.
UE - Framework - Blueprint Editor - Aug 26, 2024In 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
UE - Rendering Architecture - Aug 30, 2024Overriding CreateSceneProxy function from PrimitiveSceneProxy for a custom class no longer renders in 5.4 even though the same code is working in 5.3. ...
Crash (Assertion failed "SystemInstanceController->IsSolo()") when enabling "Start with Tick Enabled" on a Niagara Component
UE - Niagara - Oct 17, 2024Currently, Niagara Components are only expected to have their TickComponent() method called when their system is marked as "Solo", which makes them be simulated individually. In the most common scen ...
LandscapeSplineMeshesActor instances not deleted when World Partition is disabled
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...
World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance
UE - Graphics Features - Nanite - Dec 19, 2024Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...
Browsing to a "Packaged Level Actor" does not take to the PackagedLevelActor inside the Content Browser.
UE - Editor - Content Pipeline - Jan 8, 2025There is a bug inside Unreal Editor when selecting "Browse to Asset" for a Packed Level Actor. Right clicking the Packed Level Actor, all the asset options appear. If you click the "Browse to Asse ...
When a TSoftObjectPtr pointing to a const type is used as a parameter for a Dyanmic delegate, unreal marks it as deprecaded.
UE - Foundation - Cpp Tools - UnrealHeaderTool - Jan 21, 2025A change has been done to the TSoftObjectPtr class that warns when constructing a pointer-to non-const from a pointer-to-const. This change makes sense and is correct. Example: UTexture2D* Loade ...