Unreal Engine Issues
Unreal Engine Issues
FKismetCompilerUtilities::ValidateProperEndExecutionPath() was unintentionally removed from compile-time graph validation
UE - Gameplay - Blueprint Compiler - Oct 16, 2023We no longer include a note/warning when an expected execution path will not be taken in a function graph due to the presence of a return node. This was inadvertently removed by the change that intr ...
Landscape renders black when baking with GPU Lightmass
UE - Graphics Features - Nov 7, 2023A 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. ...
Ledge Movement Stuck (CheckLedgeDirection is always returning true)
UE - Gameplay - Nov 20, 2023The issue appears to that CheckLedgeDirection almost always returns true, which returns the leftward side step. This is correct for the leftward direction, but is not valid for the rightward directi ...
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 ...