Unreal Engine Issues
Unreal Engine Issues
FCableSceneProxy::BuildCableMesh thrashes memory allocator
UE - Runtime - Simulation - Feb 12, 2025FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...
Particle Random Value is the same for all particles with a Niagara Mesh Renderer
UE - Rendering - Architecture - Niagara - Sep 28, 2026A material using the Particle Random Value node returns the same value for every particle drawn by a Niagara Mesh Renderer. Particle transforms are not affected, only the random value. This happens ...
Wobbling effect on meshes
UE - Rendering - Features - May 31, 2022Weird wobbling rendering artifact are generated on the surface of the Mesh located far from the origin. ...
Crash occurs when compiling in Editor after editing a C++ file
UE - Foundation - Cpp Tools - Hot Reload - Jan 5, 2021Crash seems inconsistent, doesn't seem to happen every time. You may have to change the variables and re-compile through the editor a few times to get it to trigger. The crash did occur for me when ...
Loading a blueprint that uses the GetOptions meta data causes an ensure
UE - Gameplay - May 6, 2020Loading a blueprint that uses the GetOptions meta data causes an ensure ...
Crash when reimporting SkeletalMesh with custom LOD
zComponent - Archive - Oct 29, 2021In the case of "Reimport Base Mesh + LODs", there is no crash. ...
"+Create Binding" added to a "Text Block" makes the Text not visible in Standalone Game
UE - Editor - UI Systems - Sep 6, 2017The visibility of the Text depends on the "+Create Binding" being added or not added. Now, If we go into our Widget Blueprint Designer > over in the Details panel under Content > Select "Bind" and ' ...
Vertex Colors distort after merge actors is used
OLD - Anim - Sep 11, 2017When using the merge actor tools with Vertex colors painted on, the resulting mesh will have those colors distorted. This issue occurs only with the resulting static mesh. This issue is a regression ...
When using Blueprint Update Camera, New Camera FOV is taken into effect even if Return Value is false
UE - Gameplay - Oct 30, 2017In a Player Camera Manager Blueprint, when overriding the function BlueprintUpdateCamera, the New Camera FOV value takes effect regardless of whether Return Value is True or False. The New Camera Lo ...
Instanced Properties create temporary references on child objects in Blueprints
UE - Gameplay - Blueprint - Nov 29, 2017When an object whose class has the EditInlineNew specifier is added to an instanced property, any children of the blueprint will have a reference to the same object that was created for the instance ...